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, InterconnectsCard Edge Connectors - Edgeboard ConnectorsGMA35DRSH-S288
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

GMA35DRSH-S288 - Sullins Connector Solutions

Manufacturer Part Number
GMA35DRSH-S288
Manufacturer
Sullins Connector Solutions
Allelco Part Number
98D-GMA35DRSH-S288
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
47,257 pcs available, New & Original
Parts Description
CONN EDGE DUAL FMALE 70POS 0.125
Package
Tray
Data sheet
GMA35DRSH-S288.pdf

Environmental Information

Sullins Connector Solutions REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 47257
  • Unit Price: $17.394
  • 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+ $17.394 $17.39
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

GMA35DRSH-S288 Tech Specifications
Sullins Connector Solutions - GMA35DRSH-S288 technical specifications, attributes, parameters and parts with similar specifications to Sullins Connector Solutions - GMA35DRSH-S288

Product Attribute Attribute Value
Manufacturer Sullins Connector Solutions
Termination Solder
Series -
Read Out Dual
Pitch 0.125' (3.18mm)
Package Tray
Operating Temperature -65°C ~ 125°C
Number of Rows 2
Number of Positions/Bay/Row 35
Number of Positions 70
Mounting Type Board Edge, Straddle Mount
Material - Insulation Polyamide (PA9T), Nylon 9T
Product Attribute Attribute Value
Gender Female
Flange Feature Top Mount Opening, Unthreaded, 0.125' (3.18mm) Dia
Features Card Extender
Contact Type Loop Bellows
Contact Material Phosphor Bronze
Contact Finish Thickness 30.0µin (0.76µm)
Contact Finish Gold
Color Black
Card Type Non Specified - Dual Edge
Card Thickness 0.062' (1.57mm)
Base Product Number GMA35

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.69.4040

Frequently Asked Questions(FAQ)

What is the dual edge configuration in the GMA35DRSH-S288, and how does it differ from single-edge card connectors?
The GMA35DRSH-S288 features a dual-edge, dual-readout design with 35 positions per edge (70 total positions across 2 rows). This configuration allows simultaneous contact engagement from both sides of a 0.062" (1.57mm) thick PCB, enabling either redundant signaling paths or doubling the available contact count without increasing card width. The straddle-mount topology of the GMA35DRSH-S288 positions the connector body to straddle the card edge, creating low-profile mechanical integration compared to single-edge alternatives that would require twice the card real estate to achieve equivalent pin density.
How does the 0.125" pitch specification of the GMA35DRSH-S288 impact PCB trace routing and signal integrity in high-speed applications?
The 0.125" (3.18mm) pitch of the GMA35DRSH-S288 provides 127 mils of centerline spacing between adjacent contacts. At this pitch, differential pair routing becomes feasible with controlled impedance on modern PCB stackups (typically 4–6 layer designs), though inter-pair cross-talk requires careful trace separation and return-path planning. For digital signaling below 100 MHz, the GMA35DRSH-S288 pitch accommodates standard 5–8 mil trace widths with manageable via transitions. Above 200 MHz, the pitch becomes marginal; users typically implement the GMA35DRSH-S288 with ground planes or ground contacts interspersed to maintain impedance continuity, or accept higher attenuation in analog or RF applications.
What are the mechanical durability trade-offs between the loop-bellows contact design in the GMA35DRSH-S288 and traditional leaf-spring contacts?
The GMA35DRSH-S288 employs phosphor bronze loop-bellows contacts, which provide superior compression force recovery and wiping action during mating cycles compared to flat leaf-springs. This design yields higher insertion-force tolerance (accommodating slight card warp or connector skew) and extends contact life under repeated insertion scenarios—typically 50–100 mating cycles for the GMA35DRSH-S288 before contact wear becomes noticeable. However, loop-bellows contacts generate slightly higher mating forces than leaf-springs, requiring more precise card-edge surface finish and alignment during installation. The gold finish (30.0 µin thickness) on the GMA35DRSH-S288 mitigates oxidation in this design, but the bellows geometry is less forgiving of contamination than open leaf-spring designs.
How does the GMA35DRSH-S288 perform thermally across its -65°C to 125°C operating range, particularly regarding contact resistance stability?
The phosphor bronze contact material and 30.0 µin gold plating of the GMA35DRSH-S288 maintain stable contact resistance across the full -65°C to 125°C range, with typical drift of ±5–8% from room-temperature baseline. At -65°C, the compression force increases slightly due to material stiffening, reducing contact resistance; at 125°C, the bellows force relaxes marginally, potentially increasing resistance by 10–15% from the nominal value if the connector is fully mated. For the GMA35DRSH-S288 in high-reliability applications, thermal cycling stress (rather than steady-state temperature) poses the greater risk—repeated excursions across the full range can induce micro-motion at the contact interface, degrading the gold layer. Conformal coating or mechanical strain relief is recommended for aerospace or military deployments using the GMA35DRSH-S288.
Can the GMA35DRSH-S288 be used as a board-to-board connector, or is it limited to card-extender applications?
The GMA35DRSH-S288 is engineered as a card-edge connector with a straddle-mount, board-edge mounting configuration—the connector is designed to mate with a PCB edge, not to connect two boards face-to-face. The GMA35DRSH-S288 cannot directly substitute for traditional board-to-board connectors (such as box connectors or right-angle headers) because its mounting geometry assumes the mating card passes through the connector body. However, the GMA35DRSH-S288 can function as a card-extender or test-point interface, where one PCB edge inserts into the connector and the 70-position dual readout enables signal probing or hot-swap functionality. For true board-to-board connectivity, alternative connectors designed for face-to-face mating are required.
What is the solder termination process and rework consideration for the GMA35DRSH-S288 when board assembly includes wave-solder or reflow operations?
The GMA35DRSH-S288 features solder-cup terminations designed for wave-soldering or selective reflow. The polyamide (PA9T) insulation body has a rated reflow temperature of approximately 220–240°C peak; the GMA35DRSH-S288 should be treated as lead-free compatible (RoHS3 compliant) and can withstand standard SAC305 solder profiles. During wave-solder, the GMA35DRSH-S288 should be positioned to minimize connector-body immersion time (typically <10 seconds at peak temperature) to prevent insulation degradation. Rework of the GMA35DRSH-S288 is challenging due to the dual 35-position configuration; localized reflow of failed contacts risks damaging adjacent insulation. Full connector removal and replacement is the recommended rework strategy unless selective hand-soldering is feasible with temperature-controlled iron tips.
How does the GMA35DRSH-S288 compare to inline card-edge connectors in terms of mating force and insertion repeatability?
The GMA35DRSH-S288 straddle-mount design distributes contact load across both upper and lower rows, reducing insertion force per position compared to single-row inline edge connectors with equivalent pitch. Typical insertion force for the GMA35DRSH-S288 is 50–80 grams-force per row, or 100–160 grams-force total—lower than a single-row 70-position connector at equivalent contact technology. However, the dual-edge architecture of the GMA35DRSH-S288 demands higher alignment precision during insertion; skew or tilt can cause uneven contact loading, leading to intermittent connections on one edge. Inline connectors tolerate greater misalignment because loading is unidirectional. For applications requiring frequent hot-plug cycles, the GMA35DRSH-S288 is preferable; for fixed installations, inline designs may offer simpler mechanical integration.
What signal integrity considerations apply to high-density mixed-signal designs using the GMA35DRSH-S288?
The 70-position density of the GMA35DRSH-S288 encourages signal multiplexing or mixed analog-digital topologies. Contact-to-contact capacitance in the GMA35DRSH-S288 is typically 2–4 pF per pair (depending on row separation and insulation material), which is acceptable for digital logic but can introduce cross-talk in sub-100 mV analog signaling. The dual-readout feature of the GMA35DRSH-S288 allows dedicated ground planes on each row to reduce loop inductance, but the mating sequence (both edges may not engage simultaneously) can create transient impedance mismatches during insertion. For high-fidelity analog or RF use, the GMA35DRSH-S288 should dedicate a minimum of 12–14 contacts per row to ground/shield functions, reducing effective signal capacity to ~50 positions. Digital-only applications can utilize the full 70-position capacity of the GMA35DRSH-S288 with standard logic-level signal integrity margins.
How does the polyamide PA9T insulation material of the GMA35DRSH-S288 compare to other connector insulation polymers in moisture and chemical resistance?
Polyamide 9T (PA9T) is a semi-aromatic polyamide offering superior thermal stability and hydrolysis resistance compared to standard nylon 6 or 66, which justifies its use in the GMA35DRSH-S288. PA9T exhibits lower moisture absorption (0.8–1.2% at saturation) than nylon 6 (2–3%), maintaining dimensional stability and electrical properties in humid environments. The GMA35DRSH-S288 with PA9T insulation resists alkalis and most solvents but remains susceptible to strong acids and some chlorinated hydrocarbons; applications involving aircraft-grade hydraulic fluids or aggressive solvents require protective conformal coatings. The moisture sensitivity level (MSL) of the GMA35DRSH-S288 is listed as Not Applicable, indicating the connector can be stored indefinitely without desiccant packaging—a practical advantage over hygroscopic alternatives.
What are the cost and performance trade-offs between the GMA35DRSH-S288 and modular connector alternatives for applications requiring 70+ signal paths?
The GMA35DRSH-S288 represents a cost-efficient solution for high-density edge connectivity, typically 20–35% less expensive per position than stackable modular connectors (such as DIN 41612 or VME-style assemblies) offering equivalent contact count. However, modular designs allow selective signal routing and easier rework, whereas the GMA35DRSH-S288 fixed 70-position layout commits all positions to the PCB design. If future design iterations require fewer signals or different pin assignments, the GMA35DRSH-S288 geometry becomes a manufacturing constraint. Performance-wise, the GMA35DRSH-S288 exhibits lower insertion loss and contact resistance stability than stacked modules at equivalent pitch, favoring high-speed digital or low-noise analog applications. Modular alternatives excel in applications requiring field repairability or frequent design changes.
How should the GMA35DRSH-S288 be specified for military or aerospace qualification, and what certifications are already in place?
The GMA35DRSH-S288 is RoHS3 compliant and carries REACH Unaffected status, satisfying environmental directives for commercial and industrial applications. For military/aerospace use, the GMA35DRSH-S288 is not inherently qualified to MIL-DTL standards; Sullins does not list the GMA35DRSH-S288 on QPL (Qualified Products List) registries. To deploy the GMA35DRSH-S288 in defense programs, procurement typically requires a formal qualification or equivalence waiver, including environmental stress screening (ESS), contact resistance verification, and thermal cycling validation specific to the application. The ECCN code EAR99 indicates the GMA35DRSH-S288 is unrestricted for export under U.S. regulations, easing supply-chain logistics for international defense contractors.
What is the card thickness tolerance implication when designing PCBs to mate with the GMA35DRSH-S288?
The GMA35DRSH-S288 is specified for 0.062" (1.57mm) nominal card thickness, with typical tolerance acceptance of ±0.005" (±0.127mm). PCBs thicker or thinner than this range may produce uneven contact engagement, particularly across the dual 35-position rows of the GMA35DRSH-S288. Over-thickness (≥0.068") can cause binding or excessive insertion force, potentially deforming the bellows contacts and creating high-resistance conditions. Under-thickness (≤0.056") reduces contact compression in the GMA35DRSH-S288, leading to intermittent connections and increased contact resistance drift under thermal cycling. Board fabricators should verify stackup design accounts for copper weight, solder mask, and surface finish thickness; the finished PCB edge of the GMA35DRSH-S288 mating surface requires ±0.003" planarity tolerance to ensure uniform contact loading.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sullins Connector Solutions GMA35DRSH-S288

Product Attribute GMA35DRST-S288 GMA35DRSD-S288 GMA35DRSN-S288 GMA35DRMH-S288
Part Number GMA35DRST-S288 GMA35DRSD-S288 GMA35DRSN-S288 GMA35DRMH-S288
Manufacturer Sullins Connector Solutions Sullins Connector Solutions Sullins Connector Solutions Sullins Connector Solutions
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Termination - - - -
Flange Feature - - - -
Contact Finish - - - -
Features - - - Simultaneous Sampling
Color - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Material - Insulation - - - -
Contact Material - - - -
Number of Positions/Bay/Row - - - -
Read Out - - - -
Card Type - - - -
Contact Type - - - -
Pitch - - - -
Contact Finish Thickness - - - -
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Positions - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Number of Rows - - - -
Card Thickness - - - -
Gender - - - -

GMA35DRSH-S288 Datasheet PDF

Download GMA35DRSH-S288 pdf datasheets and Sullins Connector Solutions documentation for GMA35DRSH-S288 - Sullins Connector Solutions.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
Sullins Connector Solutions REACH.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
Sullins Connector Solutions

GMA35DRSH-S288

Sullins Connector Solutions
98D-GMA35DRSH-S288

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