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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersVE-J4Z-EZ-B1
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VE-J4Z-EZ-B1 - Vicor Corporation

Manufacturer Part Number
VE-J4Z-EZ-B1
Manufacturer
Vicor
Allelco Part Number
98D-VE-J4Z-EZ-B1
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
47,499 pcs available, New & Original
Parts Description
DC DC CONVERTER 2V 10W
Package
Half Brick
Data sheet
VE-J4Z-EZ-B1.pdf

Environmental Information

Vicor REACH.pdf Vicor RoHS Cert.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 47499

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Specifications

VE-J4Z-EZ-B1 Tech Specifications
Vicor Corporation - VE-J4Z-EZ-B1 technical specifications, attributes, parameters and parts with similar specifications to Vicor Corporation - VE-J4Z-EZ-B1

Product Attribute Attribute Value
Manufacturer Vicor
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 2V
Voltage - Isolation 3 kV
Voltage - Input (Min) 55V
Voltage - Input (Max) 100V
Type Isolated Module
Size / Dimension 2.36' L x 2.28' W x 1.08' H (59.9mm x 57.9mm x 27.4mm)
Series VE-J00™ (25W)
Power (Watts) 10 W
Product Attribute Attribute Value
Package / Case Half Brick
Package Bulk
Operating Temperature -10°C ~ 100°C
Number of Outputs 1
Mounting Type Through Hole
Features OCP, SCP
Efficiency 88%
Current - Output (Max) 5A
Base Product Number VE-J4Z
Applications ITE (Commercial)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.40.9580

Frequently Asked Questions(FAQ)

How does the VE-J4Z-EZ-B1 handle transient input voltage spikes within its specified range, and what design precautions should be taken for industrial environments with unstable power sources?
The VE-J4Z-EZ-B1 is rated for an input voltage range of 55V to 100V DC, which inherently accommodates moderate transients common in industrial settings. However, sustained or extreme overvoltage events beyond 100V may compromise reliability. Engineers should implement bulk capacitance at the input with appropriate derating (e.g., 125V capacitors) and consider TVS diodes rated above 100V to clamp fast transients. Given the module’s 3 kV isolation and lack of internal overvoltage protection circuitry, external surge suppression is strongly recommended when deployed near motors, relays, or switching power supplies that generate inductive kick.
What are the thermal implications of operating the VE-J4Z-EZ-B1 at full 10W output under continuous load, and how does this affect long-term reliability in a densely populated PCB layout?
At full 10W output with 88% efficiency, approximately 1.2W of power is dissipated as heat internally. With a typical thermal resistance junction-to-case of ~15°C/W and case-to-ambient of ~20°C/W, the module can reach temperatures exceeding 80°C in still air. In tightly spaced layouts, inadequate airflow or insufficient copper area beneath the half-brick footprint may elevate case temperature further, triggering thermal shutdown or reducing MTBF. A practical rule is to maintain at least 2 mm clearance on all sides and use thermal vias if mounting directly onto a metal plane. Derating above 70°C ambient is advised to ensure stable operation.
Can the VE-J4Z-EZ-B1 be used in safety-critical ITE applications requiring reinforced insulation, and does its 3 kV isolation meet modern standards like IEC 60601-1?
While the VE-J4Z-EZ-B1 provides 3 kV DC of isolation between input and output, which exceeds basic functional requirements, compliance with IEC 60601-1 for medical devices typically demands reinforced insulation with specific creepage and clearance distances, plus certification testing. As an ITE (Information Technology Equipment) component, it is not certified for medical use. For safety-critical systems, verify whether additional isolation barriers, double insulation, or formal certifications (e.g., UL, CSA) are mandated beyond the datasheet’s stated parameters.
How does the VE-J4Z-EZ-B1 compare to other modules in the VE-J00 series, particularly in terms of power density and pin compatibility, when upgrading from lower-power variants?
Within the VE-J00™ family, the VE-J4Z-EZ-B1 delivers 10W output, representing a mid-tier option compared to 25W models like the VE-J6Z. While all members share the same half-brick mechanical envelope and pinout, higher-power variants often require improved heatsinking due to increased conduction losses. The J4Z variant maintains compatibility for drop-in replacement scenarios but cannot deliver the same margin as the 25W versions under identical thermal conditions. Always validate thermal performance when substituting based on wattage alone.
Is reverse polarity protection feasible on the input side of the VE-J4Z-EZ-B1 without compromising isolation integrity or introducing significant voltage drop?
Direct reverse polarity connection risks damaging the module unless mitigated externally. A simple series Schottky diode (e.g., 1N5822) can prevent reverse current flow but introduces ~0.3–0.5V drop at 5A, reducing effective input headroom. Alternatively, a MOSFET-based ideal diode circuit preserves efficiency and minimizes loss, though it adds complexity and requires careful layout to avoid ground loops that could compromise the 3 kV isolation barrier. For most applications, the latter approach is preferred in high-reliability designs.
What control interface options exist for monitoring fault conditions on the VE-J4Z-EZ-B1, and how do OCP and SCP features manifest in system-level diagnostics?
The VE-J4Z-EZ-B1 includes Overcurrent Protection (OCP) and Short Circuit Protection (SCP), both implemented via internal latching or auto-retry mechanisms per Vicor’s standard design. Faults are typically indicated through behavior—output shutdown during overload—but lack dedicated status pins. System designers must infer operational state from downstream monitoring circuits or implement auxiliary sensors (e.g., current shunts with comparators). This passive protection model simplifies hardware but reduces real-time visibility into fault origin, necessitating robust firmware-based recovery logic.
How suitable is the VE-J4Z-EZ-B1 for battery-powered industrial equipment requiring wide input ranges, and what efficiency considerations apply across its 55–100V span?
Although optimized for fixed-voltage industrial rails, the VE-J4Z-EZ-B1 operates efficiently across its entire 55–100V input window, maintaining >85% efficiency even at lower voltages due to constant on-time control topology. However, in battery-operated systems where voltage drops below 55V (e.g., LiFePO₄ at end-of-life), the module ceases to function. If extended input range is needed, consider parallel modules or alternative topologies like buck-boost converters before selecting a non-adjustable isolated solution.
Can multiple VE-J4Z-EZ-B1 units be paralleled for higher-current applications, and what synchronization or balancing challenges arise from their inherent design characteristics?
Paralleling multiple VE-J4Z-EZ-B1 units is generally not supported due to lack of droop sharing, phase synchronization, or current balancing features. Without active current-sharing mechanisms, one unit may dominate load while others remain underutilized or thermally stressed. Attempting parallel operation without external current-balancing resistors or controllers increases failure risk and violates manufacturer recommendations. For >5A outputs, a single higher-wattage VE-J00 variant or non-isolated regulator may offer better reliability and simpler implementation.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vicor Corporation VE-J4Z-EZ-B1

Product Attribute VE-J4Z-EZ-F1 VE-J4Z-EY-B1 VE-J4Z-EY-F1 VE-J4Z-EZ-F2
Part Number VE-J4Z-EZ-F1 VE-J4Z-EY-B1 VE-J4Z-EY-F1 VE-J4Z-EZ-F2
Manufacturer Vicor Corporation Vicor Corporation Vicor Corporation Vicor Corporation
Series - - - -
Voltage - Output 3 - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Input (Max) - - - -
Features - - - Simultaneous Sampling
Number of Outputs - - - -
Power (Watts) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Output 1 - - - -
Voltage - Input (Min) - - - -
Voltage - Output 2 - - - -
Current - Output (Max) - - - -
Type - - - -
Voltage - Isolation - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Efficiency - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Applications - - - -
Size / Dimension - - - -

VE-J4Z-EZ-B1 Datasheet PDF

Download VE-J4Z-EZ-B1 pdf datasheets and Vicor Corporation documentation for VE-J4Z-EZ-B1 - Vicor Corporation.

Datasheets
VI/VE-J00 MiniMod Family.pdf
Design Resources
VI-200, VI-J00 Design Guide, Appl Manual.pdf
Environmental Information
Vicor REACH.pdf Vicor RoHS Cert.pdf

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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.

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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.

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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)
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  • 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.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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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.


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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
Vicor Corporation

VE-J4Z-EZ-B1

Vicor Corporation
98D-VE-J4Z-EZ-B1

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