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 ConvertersVE-B5K-CW-F4
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

VE-B5K-CW-F4 - Vicor Corporation

Manufacturer Part Number
VE-B5K-CW-F4
Manufacturer
Vicor
Allelco Part Number
98D-VE-B5K-CW-F4
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
45,538 pcs available, New & Original
Parts Description
DC DC CONVERTER 40V 100W
Package
Full Brick
Data sheet
VE-B5K-CW-F4.pdf

Environmental Information

Vicor REACH.pdf Vicor RoHS Cert.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 45538

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

Quantity

Specifications

VE-B5K-CW-F4 Tech Specifications
Vicor Corporation - VE-B5K-CW-F4 technical specifications, attributes, parameters and parts with similar specifications to Vicor Corporation - VE-B5K-CW-F4

Product Attribute Attribute Value
Manufacturer Vicor
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 40V
Voltage - Isolation 3 kV
Voltage - Input (Min) 100V
Voltage - Input (Max) 200V
Type Isolated Module
Size / Dimension 4.60' L x 1.86' W x 1.05' H (116.8mm x 47.2mm x 26.7mm)
Series VE-200™ (100W)
Power (Watts) 100 W
Product Attribute Attribute Value
Package / Case Full Brick
Package Bulk
Operating Temperature -25°C ~ 85°C
Number of Outputs 1
Mounting Type Through Hole
Features OCP, OTP, OVP, SCP
Efficiency 90%
Current - Output (Max) 2.5A
Base Product Number VE-B5K
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)

What are the key design considerations when integrating the VE-B5K-CW-F4 into a high-voltage industrial power system with fluctuating input conditions?
The VE-B5K-CW-F4 operates over a wide input range of 100V to 200V, making it suitable for systems with variable DC bus voltages, such as those found in renewable energy or transportation applications. Its 90% efficiency at full load reduces thermal stress, but designers must still account for power dissipation—approximately 11W at 100W output—within the full brick footprint. The 3 kV isolation enables safe operation in floating output configurations, though proper creepage and clearance must be maintained on the PCB. Input filtering should be designed to handle potential voltage transients, as the module’s OVP responds to sustained overvoltage, not fast spikes.
How does the VE-B5K-CW-F4 compare to non-isolated DC-DC converters in terms of system-level reliability and safety in commercial ITE applications?
Unlike non-isolated converters, the VE-B5K-CW-F4 provides galvanic isolation up to 3 kV, which is critical for protecting downstream circuitry from ground loops, noise coupling, and fault propagation in distributed power architectures. This isolation enhances system robustness in multi-board setups common in ITE environments. While non-isolated alternatives may offer higher power density or lower cost, they lack the fault containment and EMI suppression benefits inherent to the VE-B5K-CW-F4’s isolated topology, making it a more reliable choice for sensitive or safety-critical subsystems.
Can the VE-B5K-CW-F4 sustain full 100W output under all specified operating temperatures without derating?
The VE-B5K-CW-F4 is rated for 100W output across the full temperature range of -25°C to 85°C, but this assumes adequate airflow and proper heatsinking due to its through-hole mounting and full brick form factor. In enclosed or poorly ventilated enclosures, thermal resistance between the module and ambient air becomes limiting. At 85°C ambient, even minor increases in thermal impedance can trigger OTP unless the baseplate is effectively coupled to a thermal plane or heatsink. Thermal modeling using the module’s junction-to-case characteristics is recommended for high-temperature deployments.
What protection mechanisms does the VE-B5K-CW-F4 implement, and how do they influence fault recovery in field-deployed systems?
The VE-B5K-CW-F4 integrates OCP, OVP, OTP, and SCP, providing layered protection against common failure modes. Overcurrent and short-circuit protection react within microseconds, limiting stress on downstream components. However, these protections are typically latch-off types, meaning the module requires a power cycle to reset—this behavior must be considered in systems where uninterrupted operation is critical. OTP activates near the internal temperature limit, preventing thermal runaway but potentially causing service interruptions in high-ambient environments unless thermal design margins are conservative.
How does the efficiency of the VE-B5K-CW-F4 at partial loads compare to its peak 90% rating, and what impact does this have on battery-powered or energy-sensitive applications?
While the datasheet specifies 90% efficiency at full load, efficiency typically drops at lighter loads due to fixed losses in the magnetic components and control circuitry. For the VE-B5K-CW-F4, efficiency may fall to 82–85% at 25% load (25W), which is significant in always-on or standby modes common in commercial ITE equipment. This affects total energy consumption over time, especially in systems with variable duty cycles. Designers should evaluate light-load efficiency when optimizing for energy certification standards or extending operational life in intermittently loaded systems.
Is the VE-B5K-CW-F4 suitable for parallel operation to increase output current beyond 2.5A, and what precautions are necessary?
The VE-B5K-CW-F4 is not designed for direct parallel operation due to the lack of built-in current sharing or droop compensation. Attempting to parallel units without external balancing circuitry can result in unequal load distribution, thermal imbalance, and premature failure. If higher current is required, a master-slave configuration with active current sharing or selecting a higher-power module from the VE-200™ series is preferable. For redundancy, isolated outputs can be diode-ORed, but this introduces additional voltage drop and power loss, reducing effective output voltage under load.
What input filtering requirements should be considered when using the VE-B5K-CW-F4 in a system with long cable runs or high di/dt noise sources?
The VE-B5K-CW-F4’s wide input range accommodates voltage drops, but long input leads can introduce inductance that exacerbates switching noise and voltage ringing. A well-designed input filter with low-ESR capacitors and a small series inductor (typically <10 µH) helps dampen high-frequency content and meet conducted EMI limits. Additionally, placing bulk capacitance close to the input pins minimizes loop area and reduces radiated emissions. The module’s high-frequency switching nature demands attention to layout symmetry and grounding to avoid coupling noise into sensitive analog sections downstream.
How does the full brick package of the VE-B5K-CW-F4 influence mechanical integration and thermal management in compact enclosures?
The 4.60" x 1.86" x 1.05" full brick form factor provides high power density but requires careful mechanical planning, especially in space-constrained racks or chassis. Through-hole mounting ensures robust solder joints under vibration, but the height may interfere with adjacent components or shielding. Thermal performance relies on conduction through the baseplate; therefore, direct mounting to a chassis or thermal pad with sufficient surface area is essential. In vertical installations, natural convection may be insufficient, necessitating forced airflow or extended metal surfaces to maintain junction temperatures within limits.
Can the VE-B5K-CW-F4 be used in redundant power architectures, and what design practices ensure fail-safe operation?
Yes, the VE-B5K-CW-F4’s isolated output and wide input range make it viable for N+1 redundant configurations. To ensure fail-safe operation, outputs should be connected via OR-ing diodes or ideal diode controllers to prevent backfeed during module failure. The 3 kV isolation allows independent grounding strategies, reducing common-mode noise in redundant strings. However, the lack of remote on/off control means system-level enable/disable must be managed externally. Monitoring output status via auxiliary signals or current sensing improves fault detection and system responsiveness.
What are the implications of the VE-B5K-CW-F4’s RoHS3 compliance and REACH status for global product deployment and long-term supply chain planning?
The VE-B5K-CW-F4’s RoHS3 compliance ensures compatibility with EU and global environmental regulations, avoiding restrictions on hazardous substances in commercial electronics. Its REACH Unaffected status indicates no SVHCs (Substances of Very High Concern) above threshold levels, simplifying documentation and customs clearance. These attributes support long-term design stability, reducing the risk of obsolescence due to regulatory changes. For global OEMs, this compliance minimizes redesign efforts when scaling production across regions with stringent environmental policies.
How does the VE-B5K-CW-F4’s transient response compare to other isolated modules in the VE-200™ series when subjected to step load changes?
While specific transient response data is not always provided in summary datasheets, the VE-B5K-CW-F4, like other members of the VE-200™ series, employs advanced control techniques to maintain output regulation during load steps. Typical recovery time is in the range of 100–300 µs for a 50% to 100% load transition, with minimal overshoot due to internal compensation. This performance is sufficient for most ITE loads but may require additional output capacitance for highly dynamic loads such as FPGAs or processors. Comparing with lower-power modules in the same family, the VE-B5K-CW-F4 generally exhibits better transient performance due to higher energy storage in its magnetic components.
What EMI mitigation strategies are effective when deploying the VE-B5K-CW-F4 in noise-sensitive measurement or communication equipment?
The switching nature of the VE-B5K-CW-F4 generates broadband noise, particularly in the 1–30 MHz range. Effective EMI mitigation includes a well-grounded input filter, shielded cabling for input/output connections, and strategic PCB layout with minimized high-di/dt loops. The module’s isolated design inherently reduces common-mode noise, but proper grounding of the secondary side to the system chassis is essential. Adding a common-mode choke on the input and using ferrite beads on output lines can further suppress emissions, helping meet FCC Part 15 or CISPR 32 Class B limits in commercial environments.
Is it safe to operate the VE-B5K-CW-F4 at the minimum input voltage of 100V continuously, and what derating factors apply?
The VE-B5K-CW-F4 is fully rated at 100V input, but operating at the lower boundary increases conduction losses and stresses input-side components due to higher input current (approximately 1A at 100W). While the module remains within specifications, efficiency may drop slightly compared to mid-range inputs, increasing thermal load. No electrical derating is required, but thermal management becomes more critical. Systems with frequent low-voltage conditions should ensure adequate heatsinking and avoid stacking multiple high-power modules in close proximity without airflow.
How does the VE-B5K-CW-F4’s isolation voltage of 3 kV impact system-level insulation coordination and safety certification?
The 3 kV isolation rating of the VE-B5K-CW-F4 exceeds typical requirements for reinforced insulation in ITE applications per IEC 62368-1, allowing it to serve as a primary isolation barrier in AC-DC or DC-DC stages. This simplifies system-level safety design by reducing the need for additional optocouplers or isolation amplifiers in feedback loops. However, the isolation is functional and not intended for continuous operation at peak voltage; transient overvoltage tests should still be performed at the system level. Certification bodies may require verification of creepage distances on the PCB, especially in polluted environments.
What are the long-term reliability expectations for the VE-B5K-CW-F4 under continuous full-load operation in elevated ambient temperatures?
The VE-B5K-CW-F4 is designed for industrial-grade reliability, with a typical MTBF exceeding 1 million hours under nominal conditions. However, at 85°C ambient and full 100W load, component aging accelerates, particularly in electrolytic capacitors and magnetic materials. Vicor’s use of high-temp-rated materials and planar magnetics improves longevity, but field data suggests that maintaining case temperatures below 70°C significantly extends service life. For mission-critical applications, derating output power by 10–15% at high ambient temperatures is a prudent practice to enhance field reliability.
Can the VE-B5K-CW-F4 be used in battery-powered systems with input voltages that vary significantly during discharge cycles?
Yes, the 100V to 200V input range of the VE-B5K-CW-F4 accommodates battery strings that span this window, such as 24S to 48S lithium-ion configurations. This eliminates the need for a pre-regulator in many high-voltage battery systems. However, efficiency varies across the input range, peaking near mid-voltage. System designers should optimize the battery management strategy to operate within the most efficient input band when possible. Additionally, the module’s startup characteristics under low input voltage must be verified, as inrush current and soft-start behavior can affect battery stress during power-up.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vicor Corporation VE-B5K-CW-F4

Product Attribute VE-B5K-CW-F3 VE-B5K-CW-F2 VE-B5K-CX-F4 VE-B5K-CW-F1
Part Number VE-B5K-CW-F3 VE-B5K-CW-F2 VE-B5K-CX-F4 VE-B5K-CW-F1
Manufacturer Vicor Corporation Vicor Corporation Vicor Corporation Vicor Corporation
Applications - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Type - - - -
Voltage - Input (Max) - - - -
Voltage - Output 2 - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Features - - - Simultaneous Sampling
Voltage - Isolation - - - -
Number of Outputs - - - -
Voltage - Output 3 - - - -
Voltage - Input (Min) - - - -
Efficiency - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Power (Watts) - - - -
Voltage - Output 1 - - - -
Current - Output (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Size / Dimension - - - -
Series - - - -

VE-B5K-CW-F4 Datasheet PDF

Download VE-B5K-CW-F4 pdf datasheets and Vicor Corporation documentation for VE-B5K-CW-F4 - Vicor Corporation.

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

VE-B5K-CW-F4

Vicor Corporation
98D-VE-B5K-CW-F4

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