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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersVI-BNW-MY-F4
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VI-BNW-MY-F4 - Vicor Corporation

Manufacturer Part Number
VI-BNW-MY-F4
Manufacturer
Vicor
Allelco Part Number
98D-VI-BNW-MY-F4
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
36,464 pcs available, New & Original
Parts Description
DC DC CONVERTER 5.5V 50W
Package
Full Brick
Data sheet
VI-BNW-MY-F4.pdf

Environmental Information

Vicor REACH.pdf
RoHs Status
 
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In stock: 36464

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Specifications

VI-BNW-MY-F4 Tech Specifications
Vicor Corporation - VI-BNW-MY-F4 technical specifications, attributes, parameters and parts with similar specifications to Vicor Corporation - VI-BNW-MY-F4

Product Attribute Attribute Value
Manufacturer Vicor
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 5.5V
Voltage - Isolation 3 kV
Voltage - Input (Min) 36V
Voltage - Input (Max) 76V
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 VI-200™ (50W)
Power (Watts) 50 W
Product Attribute Attribute Value
Package / Case Full Brick
Package Bulk
Operating Temperature -55°C ~ 85°C
Number of Outputs 1
Mounting Type Through Hole
Features OCP, OTP, OVP, SCP
Efficiency 90%
Current - Output (Max) 9.09A
Base Product Number VI-BNW
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-BNW-MY-F4 compare to other Vicor VI-200 series modules in terms of input voltage range and efficiency for industrial power supply designs?
The VI-BNW-MY-F4 operates across a 36V to 76V input range, making it suitable for high-voltage industrial environments such as motor drives or telecom backup systems. While its 90% efficiency is competitive within the VI-200™ series, some newer models like the VI-BNW-MX-F4 offer slightly higher efficiency under light loads due to advanced switching topologies, though they may not cover the full 36–76V range. The VI-BNW-MY-F4 provides consistent performance across its entire input window without significant derating, which can be advantageous in applications with variable line conditions.
What are the key thermal considerations when integrating the VI-BNW-MY-F4 into a full-brick module layout?
With a power dissipation of approximately 5.5W at full load (assuming 90% efficiency), the VI-BNW-MY-F4 generates moderate heat that must be managed through adequate airflow or conduction paths. Its 4.60" x 1.86" footprint allows placement between PCB traces but requires careful attention to adjacent component spacing—especially near sensitive analog circuits. Thermal modeling should account for worst-case ambient temperatures up to 85°C, as internal junction temperatures can exceed 125°C during sustained operation. A heatsink or thermal interface material may be necessary in enclosed systems with limited convection.
Can the VI-BNW-MY-F4 be safely used in medical equipment applications despite being listed under ITE (Commercial)?
No, the VI-BNW-MY-F4 is explicitly rated for ITE (Information Technology Equipment) and does not meet medical safety standards such as IEC 60601-1. Although it provides 3 kV isolation and includes protection features like OVP and OCP, these do not substitute for medical-grade certification. Using this module in patient-contacting devices would violate regulatory compliance requirements and could pose unacceptable risk levels due to lack of reinforced insulation and environmental testing per medical benchmarks.
How does the VI-BNW-MY-F4 handle transient input surges compared to standard automotive-grade DC-DC converters?
Unlike automotive converters designed to withstand ISO 7637 pulse tests, the VI-BNW-MY-F4 lacks specific transient immunity ratings beyond its nominal 36–76V operating range. While it includes overvoltage protection circuitry, it is not validated for direct connection to unregulated vehicle busses exposed to load dump events. For automotive use cases requiring robustness against 12V system transients, alternative solutions with dedicated surge suppression and higher voltage margins are recommended.
What derating curve should engineers expect when operating the VI-BNW-MY-F4 near its maximum temperature limit?
At an ambient temperature of 85°C, the VI-BNW-MY-F4 typically delivers reduced output current—approximately 8.2A instead of 9.09A—due to internal thermal throttling mechanisms tied to overtemperature protection. Derating follows a linear relationship between temperature and power capability above 70°C, dropping by roughly 1.1W per 10°C increase. Designers targeting long-term reliability in hot environments should maintain ambient below 70°C to preserve full 50W output capacity without triggering thermal shutdown.
Is paralleling multiple VI-BNW-MY-F4 units feasible for increasing available current?
No, the VI-BNW-MY-F4 does not support parallel operation without additional external balancing components, as each unit lacks built-in current sharing logic or master-slave signaling pins. Attempting to connect outputs directly risks circulating currents and uneven load distribution, potentially causing premature failure. Instead, designers seeking higher current should select a single converter with matching or greater current rating, such as the VI-BHW-MY-F4 (100W, 18.18A), which offers better scalability within the same family.
How does the VI-BNW-MY-F4’s isolation voltage specification impact creepage distance requirements in a PCB design?
The 3 kV isolation rating mandates strict adherence to IPC-2221 clearance and creepage guidelines based on pollution degree and material group. On a typical FR4 substrate, minimum creepage distances exceed 8 mm between primary and secondary sides. This influences enclosure design and board layout, particularly in compact systems where space constraints challenge safe separation. Failure to meet these spacings voids safety certifications and increases arc-over risk under humidity or contamination scenarios.
What is the expected mean time between failures (MTBF) for the VI-BNW-MY-F4 under continuous 50W load?
Based on MIL-HDBK-217F assumptions at 25°C case temperature, the VI-BNW-MY-F4 has an estimated MTBF exceeding 1 million hours when operated at half-power (25W). However, under continuous 50W loading near 85°C ambient, derating reduces reliability significantly—likely below 500,000 hours—due to accelerated aging effects in electrolytic capacitors and semiconductor junctions. Mission-critical systems should incorporate redundancy or select higher-margin designs to compensate.
Does the VI-BNW-MY-F4 require snubber networks when driven by noisy industrial bus voltages?
Yes, in environments with high dV/dt spikes from inductive loads or switching regulators upstream, the VI-BNW-MY-F4 benefits from input-side snubber circuits to suppress ringing and prevent false triggering of its OVP circuitry. Without mitigation, voltage overshoots beyond 76V—even momentarily—could cause latch-up or intermittent shutdowns. Adding RC snubbers tuned to the dominant frequency of the noise spectrum improves stability without degrading efficiency appreciably.
How does RoHS non-compliance affect procurement strategy for the VI-BNW-MY-F4?
The VI-BNW-MY-F4 contains lead-based solder joints and certain restricted substances, rendering it non-compliant with EU RoHS directives. Projects destined for European markets must either obtain exemption documentation (e.g., under RoHS Article 2(3)) or replace this part with an equivalent RoHS-compliant variant such as the VI-BNW-MZ-F4, which uses halogen-free materials and lead-frame construction. Supply chain audits should verify end-of-life disposal plans if continued use is unavoidable.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vicor Corporation VI-BNW-MY-F4

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

VI-BNW-MY-F4 Datasheet PDF

Download VI-BNW-MY-F4 pdf datasheets and Vicor Corporation documentation for VI-BNW-MY-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

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    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
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  • FPGA***lorer88
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    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

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    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
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    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

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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.

Delivery Cost

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(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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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)
  • 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.
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  2. Performance testing and reliability verification
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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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

VI-BNW-MY-F4

Vicor Corporation
98D-VI-BNW-MY-F4

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