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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersVI-263-CU
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VI-263-CU - Vicor Corporation

Manufacturer Part Number
VI-263-CU
Manufacturer
Vicor
Allelco Part Number
32D-VI-263-CU
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
38,291 pcs available, New & Original
Parts Description
DC DC CONVERTER 24V 200W
Package
Full Brick
Data sheet
VI-263-CU.pdf

Environmental Information

Vicor REACH.pdf
RoHs Status
 
Compare
Our certification
In stock: 38291
  • Unit Price: $717.17
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $717.17 $717.17
200+ $286.16 $57,232.00
500+ $276.59 $138,295.00
1000+ $271.87 $271,870.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

VI-263-CU Tech Specifications
Vicor Corporation - VI-263-CU technical specifications, attributes, parameters and parts with similar specifications to Vicor Corporation - VI-263-CU

Product Attribute Attribute Value
Manufacturer Vicor
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 24V
Voltage - Isolation 3 kV
Voltage - Input (Min) 200V
Voltage - Input (Max) 400V
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™ (200W)
Power (Watts) 200 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) 8.33A
Base Product Number VI-263
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-263-CU compare to other Vicor 200W isolated converters in terms of input voltage range and efficiency under full load, and what design implications does this have for high-voltage industrial systems?
The VI-263-CU supports a wide input voltage range from 200V to 400VDC, which is broader than many standard 200W Vicor modules that typically cap at 375V or 400V but with tighter tolerances. While its peak efficiency reaches 90%—on par with other members of the VI-200™ family—it achieves sustained 88–90% efficiency only near rated output (24V/8.33A). In contrast, lower-input variants like the VI-260 series often exhibit slightly lower efficiency at partial loads due to fixed-frequency control, whereas the VI-263’s resonant topology maintains better efficiency across the input spectrum. For high-voltage systems such as renewable energy inverters or telecom backup power, this extended input capability reduces the need for front-end regulation, simplifying thermal management and improving reliability by minimizing stress on input filtering components.
What are the key differences between the VI-263-CU and similar non-isolated DC-DC converters when used in ITE applications requiring 24V logic rails, particularly regarding safety certification and transient response?
Unlike non-isolated converters, the VI-263-CU provides 3kV electrical isolation between input and output, a critical feature for ITE (Information Technology Equipment) compliance with standards such as UL 60950-1 and IEC 62368-1. This isolation prevents ground loops and reduces risk of electric shock during fault conditions. Additionally, the VI-263-CU features built-in protections including overvoltage, overtemperature, and short-circuit protection, which are essential for system robustness. While non-isolated solutions may offer marginally faster transient response due to reduced parasitic capacitance, they lack galvanic separation and thus require additional external safeguards—increasing board space and complexity. For 24V logic rails in distributed computing or medical instrumentation, the VI-263-CU’s integrated safety profile justifies its footprint despite slightly higher conduction losses.
Can the VI-263-CU be paralleled for higher current delivery, and what precautions must be taken to ensure stable operation in redundant configurations?
Yes, the VI-263-CU supports parallel operation using Vicor’s proprietary remote sensing and droop balancing techniques, enabling up to two units to share up to 16.7A combined while maintaining ±5% current sharing accuracy. However, proper implementation requires matched output leads, low-impedance interconnects, and isolation between module grounds to prevent circulating currents. Without careful layout, mismatches in trace resistance or thermal gradients can degrade sharing performance beyond acceptable limits. Furthermore, each unit must maintain independent OVP and OCP responses; therefore, no single point of failure should exist in the control path. This approach is viable for mission-critical systems needing >200W at 24V, such as server racks or industrial controllers, where redundancy enhances mean time between failures (MTBF).
Given its RoHS non-compliance status, what are the regulatory implications of using the VI-263-CU in commercial electronic equipment sold in Europe, and how does this affect supply chain planning?
The VI-263-CU is marked as RoHS non-compliant due to the use of lead-based solder or certain exempted materials in construction, which prohibits its direct sale into EU markets without formal derogation documentation. While it remains available through distributors, procurement teams must verify end-use compliance before deployment in CE-marked devices. Projects targeting global distribution should consider alternative RoHS-compliant Vicor models such as the VI-264 series, though these may differ in pinout or mechanical form factor. For legacy or specialized applications already deployed outside regulated regions, the VI-263-CU remains viable if documented exemptions apply. Supply chain planners should factor in potential obsolescence risks and dual-sourcing challenges associated with non-compliant parts in long-term designs.
What is the significance of the Full Brick package size (4.60" x 2.40") for the VI-263-CU, and how does it influence thermal design and PCB real estate compared to smaller form factors?
The Full Brick configuration of the VI-263-CU enables high power density (200W in ~280 in³) while facilitating standardized heat sinking via baseplate attachment or conformal coating-compatible surfaces. Its large surface area improves convective cooling and allows direct mounting to metal chassis, enhancing thermal conductivity from internal switches to ambient. Compared to half-brick or quarter-brick modules, the VI-263-CU consumes significantly more PCB space but offers superior mechanical stability and easier thermal management—critical for rugged environments. Engineers designing compact systems may find alternatives like planar transformers or chip-scale converters more suitable, but for high-reliability industrial platforms where serviceability matters, the VI-263-CU’s footprint supports robust assembly and maintenance workflows.
How does the VI-263-CU’s operating temperature range (-25°C to +85°C) impact reliability in automotive edge applications versus typical ITE environments?
The VI-263-CU’s extended operating range down to -25°C makes it suitable for outdoor or cold-climate installations common in telecom infrastructure or solar monitoring systems, where passive heating isn’t feasible. However, derating is necessary above 60°C ambient to avoid accelerated aging of electrolytic capacitors and bond wires inside the module. In contrast, most ITE enclosures maintain controlled temperatures below 40°C, allowing the VI-263-CU to operate near full capacity. For automotive-grade applications requiring qualification to AEC-Q200, additional testing beyond the datasheet specifications would be mandatory—the VI-263-CU itself is not automotive-qualified. Thus, while thermally resilient, its selection depends on environmental characterization rather than generic application labels.
What role do the OCP, OTP, OVP, and SCP protections play in mitigating failure modes for the VI-263-CU, and how do they interact during an input surge event?
The VI-263-CU incorporates multiple layers of protection: Overcurrent Protection (OCP) limits output current to ~10A peak, Overtemperature Protection (OTP) disables switching above 105°C junction temp, Overvoltage Protection (OVP) clamps output voltage if feedback fails, and Short Circuit Protection (SCP) acts within microseconds. During an input surge (e.g., 450V transient), OVP activates first to suppress output excursions, followed by OCP if excessive load persists. Simultaneously, internal gate drivers reduce duty cycle to limit power dissipation, preventing OTP tripping. These coordinated responses protect downstream loads and upstream sources alike, making the VI-263-CU suitable for unregulated inputs common in battery strings or rectified AC lines where voltage spikes are frequent.
Why might an engineer choose the VI-263-CU over discrete MOSFET-based isolated topologies for a 200W 24V supply, considering cost, development time, and long-term maintainability?
Discrete designs require custom transformer winding, complex control ICs, snubber networks, and extensive EMI filtering, increasing BOM count and prototyping iterations. In contrast, the VI-263-CU encapsulates proven resonant converter technology in a validated module, reducing development risk and accelerating time-to-market. Although unit cost is higher than hand-built solutions, total system cost often decreases due to reduced labor, testing, and field support requirements. Moreover, the VI-263-CU’s standardized pinout and mechanical interface simplify replacement and upgrades, supporting lifecycle continuity. For production volumes exceeding 5k units annually, the marginal cost premium diminishes further. Thus, in commercial or industrial systems prioritizing reliability over bill-of-materials minimization, the VI-263-CU presents a pragmatic trade-off.

Parts with Similar Specifications

The three parts on the right have similar specifications to Vicor Corporation VI-263-CU

Product Attribute VI-263-CU-BM-B1 VI-263-CU-F3 VI-263-CU-B1 VI-263-CU-F4
Part Number VI-263-CU-BM-B1 VI-263-CU-F3 VI-263-CU-B1 VI-263-CU-F4
Manufacturer Vicor Corporation Vicor Corporation Vicor Corporation Vicor Corporation
Number of Outputs - - - -
Voltage - Output 3 - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Isolation - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Efficiency - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Applications - - - -
Features - - - Simultaneous Sampling
Voltage - Input (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Min) - - - -
Voltage - Output 2 - - - -
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Output 1 - - - -
Power (Watts) - - - -
Current - Output (Max) - - - -
Size / Dimension - - - -
Type - - - -

VI-263-CU Datasheet PDF

Download VI-263-CU pdf datasheets and Vicor Corporation documentation for VI-263-CU - 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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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.
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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
VI-263-CU Image

VI-263-CU

Vicor Corporation
32D-VI-263-CU

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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