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)
HomeProductsPower Supplies - (Board Mount)DC DC ConvertersVI-2WL-EV
VI-2WL-EV Image
VI-2WL-EV Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

VI-2WL-EV - Vicor Corporation

Manufacturer Part Number
VI-2WL-EV
Manufacturer
Vicor
Allelco Part Number
32D-VI-2WL-EV
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
36,141 pcs available, New & Original
Parts Description
DC DC CONVERTER 28V 150W
Package
Full Brick
Data sheet
VI-2WL-EV.pdf

Environmental Information

Vicor REACH.pdf
RoHs Status
 
Compare
Our certification
In stock: 36141

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

VI-2WL-EV Tech Specifications
Vicor Corporation - VI-2WL-EV technical specifications, attributes, parameters and parts with similar specifications to Vicor Corporation - VI-2WL-EV

Product Attribute Attribute Value
Manufacturer Vicor
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 28V
Voltage - Isolation 3 kV
Voltage - Input (Min) 18V
Voltage - Input (Max) 36V
Type Isolated Module
Size / Dimension 4.60" L x 2.40" W x 0.50" H (116.8mm x 61.0mm x 12.7mm)
Series VI-200™ (150W)
Power (Watts) 150 W
Product Attribute Attribute Value
Package / Case Full Brick
Package Bulk
Operating Temperature -10°C ~ 85°C
Number of Outputs 1
Mounting Type Through Hole
Features OCP, OTP, OVP, SCP
Efficiency 88%
Current - Output (Max) 5.36A
Base Product Number VI-2WL
Applications ITE (Commercial)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.40.9580

Frequently Asked Questions(FAQ)

How does the VI-2WL-EV handle thermal management in high ambient temperature environments, and what are the implications for system-level cooling design?
The VI-2WL-EV operates reliably between -10°C and 85°C, but its efficiency of 88% means that approximately 17 watts (150W × 12%) are dissipated as heat under full load. At 5.36A output current, this translates to a steady-state power loss of ~17W, which must be managed through conduction or convection paths. Given its full brick footprint (116.8mm × 61.0mm) and through-hole mounting, designers must ensure adequate airflow or thermal vias on the PCB to prevent junction temperatures from exceeding limits. In systems with ambient temperatures approaching 70°C or higher, additional heatsinking may be required beyond the converter’s internal thermal design.
What isolation characteristics make the VI-2WL-EV suitable for industrial or medical applications despite being listed under ITE (Commercial)?
With 3 kV electrical isolation between input and output, the VI-2WL-EV provides robust protection against ground loops and transient overvoltages, which is essential in noisy industrial environments. While its primary application domain is ITE (Information Technology Equipment), the high isolation rating allows cautious use in non-medical embedded systems where safety standards like SELV (Safety Extra-Low Voltage) are mandated. However, it lacks formal certifications such as UL or IEC for medical or reinforced insulation, so application-specific risk assessment is necessary before deployment in sensitive systems.
When selecting between the VI-2WL-EV and other Vicor VI-200 series modules like the VI-JW-EV, what key trade-offs should engineers consider?
The VI-2WL-EV delivers fixed 28V at 5.36A (150W), making it ideal for precision analog or communication subsystems requiring tightly regulated voltage. In contrast, the VI-JW-EV offers variable output adjustment via external resistors, enabling flexibility across multiple loads. While the J variant supports wider tuning range, it introduces potential stability concerns if not properly compensated. For fixed-voltage designs with minimal regulation requirements, the W model’s simplicity and predictable performance offer advantages in reliability and layout complexity—especially when space constraints favor standardized pinouts over configurability.
Why might a designer choose bulk packaging over tape-and-reel for the VI-2WL-EV, and what are the practical implications during prototyping?
Bulk packaging suits low-volume development stages where frequent rework, manual inspection, or mixed-component assembly processes benefit from loose handling. It avoids the cost overhead and storage logistics of tape-and-reel, particularly useful during early bring-up phases where board revisions are common. However, bulk components require careful inventory control to prevent oxidation or contamination due to their exposed leads. For production runs exceeding 50–100 units, switching to reel packaging typically reduces handling errors and improves SMT line compatibility.
Can the VI-2WL-EV operate safely without external protection circuitry given its built-in OCP, OTP, OVP, and SCP features?
While the VI-2WL-EV includes comprehensive internal protection—overcurrent, overtemperature, overvoltage, and short-circuit—it is not immune to misuse or extreme transients. For example, sustained overvoltage on the input side beyond 36V will trigger shutdown but may stress parasitic elements. Similarly, rapid thermal cycling can degrade long-term reliability even within specified operating ranges. Therefore, while the protections reduce failure modes, they do not eliminate the need for proper derating and environmental controls in mission-critical applications.
How does the VI-2WL-EV compare to modern planar transformers in terms of EMI performance and layout sensitivity?
Unlike newer planar-based converters, the VI-2WL-EV uses conventional magnetic construction, which tends to generate broader spectral noise—particularly in the 1–10 MHz range—due to higher di/dt transitions in discrete windings. This necessitates careful grounding and shielding near sensitive analog traces. Its large size also makes it less amenable to compact, high-density layouts compared to planar solutions, though the full brick form factor offers predictable thermal and electrical behavior once mounted correctly on a solid ground plane.
Is the RoHS non-compliant status of the VI-2WL-EV a barrier to adoption in EU-based projects, and what alternatives exist?
Yes, the VI-2WL-EV contains leaded solder terminations, which restricts direct use in EU RoHS-compliant manufacturing unless exemptions apply. Designers targeting CE marking must either source a RoHS-compliant alternative (e.g., newer VI-200 variants with Pb-free finishes) or implement separate compliance strategies such as component segregation or exemption logging. Until Vicor releases a fully compliant version, cross-border supply chains may face customs scrutiny, increasing administrative overhead.
What are the mechanical considerations when integrating the VI-2WL-EV into a chassis-mounted power system?
With dimensions of 4.60" × 2.40" × 0.50" and through-hole pins, the VI-2WL-EV requires robust mechanical anchoring to withstand vibration and shock. Mounting holes must align with structural rails or brackets to transfer heat efficiently while preventing stress on solder joints. Thermal interface materials should account for the 0.50" height limitation, ensuring even pressure distribution across the entire base area. Failure to do so can result in intermittent connections or accelerated fatigue, especially in mobile or automotive-grade deployments.
How does the VI-2WL-EV’s efficiency profile impact overall system energy consumption in continuous-operation scenarios?
At 88% efficiency, the VI-2WL-EV draws approximately 170.5W from the source when delivering 150W output. Over an eight-hour shift, this results in 1.36 kWh of input energy consumed, with 20.5W lost as heat. In battery-powered or solar-powered systems, this inefficiency directly reduces runtime or increases panel/battery sizing. While acceptable for stationary commercial gear, it may justify exploring higher-efficiency alternatives (e.g., >92%) in green-energy or remote deployments where thermal budget and energy cost are critical.
Are there any known limitations in using the VI-2WL-EV with capacitive loads exceeding 10,000 µF, and how does this affect startup behavior?
The VI-2WL-EV can support moderate capacitive loads, but large output capacitors (>10,000 µF) combined with high ESR can impede startup by limiting inrush current, potentially causing undervoltage lockout or delayed enable signals. Additionally, reverse polarity on the output capacitor during hot-swap events may activate internal protection circuits unpredictably. Designers should verify transient response using actual load conditions and consider adding soft-start timing adjustments or pre-charge circuits if dealing with high-capacitance downstream stages.
How does the VI-2WL-EV perform under partial-load conditions, and is efficiency maintained across varying loads?
Efficiency drops significantly below 30% load; for instance, at 50W (33% of rated power), efficiency may fall to ~75–80%, increasing relative losses. Since total dissipation remains similar regardless of output level, thermal management becomes less effective at lower loads due to reduced convection from internal fans (absent here). This flat thermal curve implies that worst-case cooling planning should assume continuous full-load operation rather than intermittent duty cycles unless active cooling is employed.
What role does the base product number VI-2WL play in firmware or configuration management across multi-board designs?
The base number VI-2WL identifies all variants sharing the same core architecture, including different input/output voltages and packaging options. This simplifies BOM categorization and revision control in large-scale deployments. However, subtle differences in trim settings or compensation networks between sub-variants (e.g., VI-2XL vs. VI-2YL) mean that firmware monitoring parameters—such as fault thresholds or telemetry scaling—must still be validated per specific part number like VI-2WL-EV to avoid misinterpretation during diagnostics.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vicor Corporation VI-2WL-EV

Product Attribute VI-2WL-EV-B1 VI-2WL-EV-S VI-2WL-EV-F3 VI-2WL-EV-F4
Part Number VI-2WL-EV-B1 VI-2WL-EV-S VI-2WL-EV-F3 VI-2WL-EV-F4
Manufacturer Vicor Corporation Vicor Corporation Vicor Corporation Vicor Corporation
Features - - - Simultaneous Sampling
Size / Dimension - - - -
Voltage - Input (Min) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Efficiency - - - -
Applications - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -
Voltage - Isolation - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input (Max) - - - -
Power (Watts) - - - -
Series - - - -
Voltage - Output 3 - - - -
Number of Outputs - - - -
Voltage - Output 2 - - - -
Voltage - Output 1 - - - -
Current - Output (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

VI-2WL-EV Datasheet PDF

Download VI-2WL-EV pdf datasheets and Vicor Corporation documentation for VI-2WL-EV - Vicor Corporation.

Datasheets
VI/VE-200 Family.pdf
Design Resources
VI-200, VI-J00 Design Guide, Appl Manual.pdf
Environmental Information
Vicor 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
VI-2WL-EV Image

VI-2WL-EV

Vicor Corporation
32D-VI-2WL-EV

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