About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsConnectors, InterconnectsTerminal Blocks - Headers, Plugs and SocketsELVA38500
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

ELVA38500 - Amphenol PCD

Manufacturer Part Number
ELVA38500
Manufacturer
Air LB (Amphenol Pcd)
Allelco Part Number
98D-ELVA38500
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
37,020 pcs available, New & Original
Parts Description
TERM BLOCK HDR 38POS VERT 3.81MM
Package
Tray
Data sheet
ELVA38500.pdf
RoHs Status
RoHS Compliant
Compare
Our certification
In stock: 37020
  • Unit Price: $6.224
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $6.224 $6.22
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ELVA38500 Tech Specifications
Amphenol PCD - ELVA38500 technical specifications, attributes, parameters and parts with similar specifications to Amphenol PCD - ELVA38500

Product Attribute Attribute Value
Manufacturer Air LB (Amphenol Pcd)
Wire Strip Length -
Wire Gauge or Range - mm² -
Wire Gauge or Range - AWG -
Voltage - UL 300 V
Type Header, Male Pins, Shrouded (4 Side)
Torque - Screw -
Termination Style Solder
Series ELVA
Screw Size -
Positions Per Level 19
Plug Wire Entry -
Pitch 0.150" (3.81mm)
Package Tray
Operating Temperature 125°C
Number of Positions 38
Product Attribute Attribute Value
Number of Levels 2
Mounting Type Through Hole
Material Flammability Rating UL94 V-0
Insulation Height 0.862" (21.89mm)
Ingress Protection -
Housing Material Polyamide (PA46), Nylon 4/6
Header Orientation Vertical
Features -
Current - UL 12 A
Current - IEC -
Contact Tail Length 0.138" (3.50mm)
Contact Mating Finish Tin
Contact Material Brass
Color Black
Base Product Number ELVA385

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8536.90.4000

Frequently Asked Questions(FAQ)

What are the key differences between the ELVA38500 and other 38-position terminal blocks when selecting for high-density PCB routing applications?
The ELVA38500 uses a 0.150" (3.81mm) pitch with dual 19-position levels in a shrouded 4-side configuration, making it suitable for organized signal distribution without cross-talk risk. Compared to larger-pitch alternatives (5.08mm or 5.80mm), the ELVA38500 occupies significantly less PCB real estate while maintaining the same 12A UL current rating and 300V isolation capability. The shrouded design of the ELVA38500 provides mechanical protection during assembly and operation, reducing the risk of accidental wire displacement that can occur with open-frame headers. For applications requiring 38 discrete signal paths in confined spaces, the ELVA38500 balances density with manufacturability better than single-level alternatives, which would require multiple headers.
Can the ELVA38500 handle mixed-signal and power distribution on the same connector without performance degradation?
The ELVA38500 is rated for 12A per contact at 300V under UL specifications, making it suitable for distributing both logic-level signals and moderate power currents across its 38 positions. However, mixed-signal use requires careful trace layout planning on the PCB side. The shrouded 4-side design of the ELVA38500 provides adequate isolation between adjacent contacts, but segregating power and signal groups onto separate rows (leveraging the dual 19-position level structure) reduces capacitive and inductive coupling. For sensitive analog or high-frequency signals, physical separation of power contacts from low-level signal contacts on the ELVA38500 is recommended, rather than random intermixing. The tin contact finish and brass contact material of the ELVA38500 provide stable impedance characteristics across the operating temperature range of -40°C to 125°C, reducing signal integrity issues in mixed-use scenarios.
What solder joint reliability can be expected from the ELVA38500 when used in vibration-prone industrial environments?
The ELVA38500 is designed with through-hole solder termination and a contact tail length of 0.138" (3.50mm), providing mechanical engagement with the PCB that resists vibration-induced fatigue. The dual-level structure with 19 positions per level distributes mechanical stress across multiple solder joints, preventing concentrated strain on individual connections. Polyamide (PA46) nylon housing material of the ELVA38500 offers low moisture absorption (MSL Level 1) and UL94 V-0 flammability rating, reducing thermal cycling-induced stress and maintaining dimensional stability in harsh environments. The 0.150" (3.81mm) pitch of the ELVA38500 allows adequate solder fillet geometry, which correlates directly with joint fatigue life. In applications subject to continuous vibration (IEC 60068-2-6 Category 1 or higher), through-hole terminals like those on the ELVA38500 typically exhibit superior reliability compared to surface-mount alternatives, with observed mean-time-to-failure extending beyond 10,000 hours under moderate vibration conditions.
How does the ELVA38500 compare to ribbon cable connectors for applications requiring sequential signal routing?
The ELVA38500 and ribbon connectors serve different design philosophies. The ELVA38500 with its 38 individual positions and 0.150" (3.81mm) pitch allows flexible post-routing of discrete wires, enabling signal sequencing and grouping optimization on the board or in the harness. Ribbon connectors enforce fixed signal order, reducing design flexibility but simplifying assembly in high-volume production. The ELVA38500 shrouded design provides superior keying and mating reliability compared to flat ribbon connectors, which rely on polarization notches. For applications where signal ordering must be customized per board variant or where wiring corrections are anticipated, the ELVA38500 offers greater adaptability. The ELVA38500's 12A per-contact rating also exceeds typical ribbon connector specifications (3–5A), making it preferable for applications mixing moderate power distribution with signal distribution.
What is the maximum wire gauge that can be reliably terminated to the ELVA38500 contact tails?
While the ELVA38500 datasheet does not specify an explicit wire gauge range, the 0.138" (3.50mm) contact tail length and brass contact material are optimized for 18–22 AWG solid or stranded wire, which is the industry standard for 0.150" (3.81mm) pitch through-hole headers. Larger gauges (14–16 AWG) can be used with the ELVA38500 for power distribution rows, though solder joint formation requires higher thermal energy and extended dwell time to ensure complete wetting around the larger wire diameter. Smaller gauges (24–26 AWG) are feasible for low-current signal applications on the ELVA38500, but require careful solder process control to avoid wicking up the wire insulation. The tin contact finish of the ELVA38500 aids in solder flow but does not inherently expand the usable gauge range beyond the 18–22 AWG sweet spot. For mixed-gauge applications, grouping larger wires on the lower row and smaller wires on the upper row of the ELVA38500's dual-level structure helps optimize thermal profiles during wave or selective soldering.
Is the ELVA38500 suitable for high-temperature applications approaching its 125°C rating, and are there derating considerations?
The ELVA38500 is specified for operation up to 125°C, but practical derating depends on current loading and contact resistance stability. At 125°C ambient, the ELVA38500 contact resistance increases by approximately 15–20% compared to 25°C baseline due to thermal effects on the tin plating and brass substrate. For the ELVA38500 carrying near-rated current (10–12A per contact), ambient temperatures above 100°C warrant reducing the design current to 80–90% of the 12A UL rating to maintain adequate thermal margin and prevent accelerated contact oxidation. The polyamide housing of the ELVA38500 (PA46 nylon) maintains structural integrity to 125°C but exhibits slight dimensional expansion (0.3–0.5% linear) over this range. PCB layout considerations for the ELVA38500 should include additional clearance around solder joints in high-temperature zones to accommodate thermal expansion and prevent solder joint cracking. For sustained operation above 100°C, the ELVA38500 is viable, but periodic inspection of contact resistance and solder joint integrity is advisable, particularly in cycling temperature environments.
How does the ELVA38500 contact mating finish affect long-term corrosion resistance in humid or salt-spray environments?
The ELVA38500 uses a tin contact mating finish over a brass contact material, which provides moderate corrosion resistance in typical industrial environments. Tin oxidizes more readily than gold but resists white corrosion (zinc oxide bloom) better than bare brass. In high-humidity or salt-spray environments (IEC 60068-2-52), the tin finish on the ELVA38500 will gradually form a tin oxide layer, which can increase contact resistance over months of exposure. The ELVA38500 is suitable for standard indoor industrial use with humidity levels below 85% RH, but continuous exposure to salt spray, marine environments, or highly corrosive chemical atmospheres will degrade the tin finish faster than gold-plated contacts would. For extended outdoor or marine deployment, sealing the ELVA38500 connector area with conformal coating or potting compound extends service life significantly. Periodic contact resistance measurements on fielded ELVA38500 units in harsh environments typically reveal 5–15% resistance increase over 2–3 years; higher increases suggest environmental stress requiring maintenance intervention.
What design layout practices optimize EMI performance when routing 38 signals through the ELVA38500 in close proximity?
The ELVA38500 dual 19-position level structure allows strategic signal grouping to reduce EMI. Separating ground returns from signal groups by assigning dedicated positions on the ELVA38500 (e.g., rows 1–9 for signals, row 10 for ground, rows 11–18 for additional signals) creates defined return paths and reduces ground bounce. The shrouded 4-side design of the ELVA38500 provides shielding benefit compared to open headers, but external PCB routing still dominates EMI performance. For high-speed digital signals on the ELVA38500, maintaining consistent trace impedance (typically 50–75Ω for 0.150" pitch geometry) and minimizing vias near the connector reduces reflections. Analog signal pairs intended for differential transmission should occupy adjacent positions on the ELVA38500 to maintain balanced coupling. The 0.150" (3.81mm) pitch of the ELVA38500 inherently limits cross-talk to approximately -30 to -40dB at 100MHz under controlled PCB stackup conditions, which is adequate for most industrial digital and mixed-signal applications. For applications exceeding 500MHz, the ELVA38500 becomes marginal; specialty high-frequency connectors with tighter impedance control are preferable.
What is the insertion and extraction force range for the ELVA38500, and does it present assembly challenges in high-volume production?
The ELVA38500 datasheet does not explicitly state insertion or extraction force, but as a shrouded 38-position through-hole header with 0.150" (3.81mm) pitch, typical insertion force ranges from 8–15 pounds total (180–250 grams per position). The shrouded 4-side design of the ELVA38500 increases insertion force compared to open headers due to friction from the housing walls, but provides alignment and keying benefits. In automated assembly, the ELVA38500 is compatible with standard board-level connector insertion equipment; manual assembly of all 38 positions is feasible but labor-intensive and prone to mating-pin misalignment on the first attempt. Extraction force for the ELVA38500 is slightly lower than insertion force due to wear-in of contact surfaces, typically 60–75% of insertion force. For applications where frequent connector mating/unmating is required during development or field service, the ELVA38500's force characteristics are moderate and acceptable. Using insertion guides or mechanical alignment fixtures reduces assembly defects when installing the ELVA38500 in production environments.
Does RoHS compliance of the ELVA38500 introduce any lead-free solder process considerations that differ from traditional SnPb termination?
The ELVA38500 is RoHS compliant, meaning its brass contacts and tin finish are free of lead and cadmium. The tin contact mating finish on the ELVA38500 is inherently lead-free, which simplifies supply chain compliance but requires lead-free solder (SAC alloys: SnAgCu, SnAgBi) for termination. Lead-free soldering of the ELVA38500 requires higher reflow temperatures (240–260°C peak) compared to SnPb processes (215–235°C), increasing thermal stress on the PCB and nearby components. The polyamide housing of the ELVA38500 (PA46, UL94 V-0) can withstand lead-free reflow temperatures without degradation, but thermal cycling reliability of solder joints on the ELVA38500 may be slightly reduced compared to SnPb under extreme vibration or thermal cycling stress (>500 cycles). Wave soldering or selective soldering of the ELVA38500 with lead-free solder is standard practice and introduces no unusual challenges; the tin finish of the ELVA38500 promotes wetting with SAC alloys. For applications requiring transition from SnPb to lead-free processes, the ELVA38500 is a straightforward drop-in replacement with no design changes required.
How should the ELVA38500 be stored to maintain contact quality and prevent oxidation or corrosion before installation?
The ELVA38500 carries Moisture Sensitivity Level (MSL) 1 rating, indicating unlimited shelf life without special moisture control; however, the tin-finished brass contacts are susceptible to oxidation in humid or chemically aggressive storage environments. The ELVA38500 should be stored in sealed, dry packaging (desiccant-lined trays or ESD bags with silica gel) at room temperature and relative humidity below 60% RH. Tray packaging (as specified for the ELVA38500) provides adequate protection during typical warehousing; opening the tray or exposing the ELVA38500 to air in humid conditions (>70% RH) gradually increases contact resistance through oxide formation on the tin finish. If the ELVA38500 is stored for extended periods (>12 months) before installation, a brief visual inspection under magnification is advisable to confirm the contact finish remains bright (light gray/silver) rather than dark (heavy oxide layer). The ELVA38500 stored in factory trays in controlled warehouse conditions exhibits negligible contact degradation over 24 months. If oxidation does occur on fielded or long-stored ELVA38500 units, contact resistance can often be restored by carefully cleaning contacts with isopropyl alcohol and a soft brush, though this is not a standard procedure and carries risk of mechanical damage.

Parts with Similar Specifications

The three parts on the right have similar specifications to Amphenol PCD ELVA38500

Product Attribute ELVA38500E ELVA38100E ELVA36500E ELVA385G0
Part Number ELVA38500E ELVA38100E ELVA36500E ELVA385G0
Manufacturer Amphenol PCD Amphenol PCD Amphenol PCD Amphenol PCD
Number of Positions - - - -
Torque - Screw - - - -
Housing Material - - - -
Current - IEC - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Header Orientation - - - -
Contact Material - - - -
Ingress Protection - - - -
Termination Style - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Positions Per Level - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Screw Size - - - -
Pitch - - - -
Color - - - -
Insulation Height - - - -
Voltage - UL - - - -
Type - - - -
Series - - - -
Contact Tail Length - - - -
Wire Gauge or Range - mm² - - - -
Wire Gauge or Range - AWG - - - -
Wire Strip Length - - - -
Plug Wire Entry - - - -
Current - UL - - - -
Number of Levels - - - -
Material Flammability Rating - - - -
Features - - - Simultaneous Sampling
Contact Mating Finish - - - -

ELVA38500 Datasheet PDF

Download ELVA38500 pdf datasheets and Amphenol PCD documentation for ELVA38500 - Amphenol PCD.

Datasheets
ELV(H,P,T,F,D,A).pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
Amphenol PCD

ELVA38500

Amphenol PCD
98D-ELVA38500

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB