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VI-J3B-CZ

In Stock 7408 pcs Reference Price(In US Dollars)
1+
$339.8542
10+
$269.9532
25+
$246.3192
Manufacturer Part Number:
VI-J3B-CZ
Manufacturer / Brand
Vicor Corporation
Part of Description:
DC DC CONVERTER 95V 25W
Datasheets:
VI-J3B-CZ(1).pdfVI-J3B-CZ(2).pdfVI-J3B-CZ(3).pdf
Lead Free Status / RoHS Status:
RoHS non-compliant
Stock Condition:
New original, 7408 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number VI-J3B-CZ
Manufacturer / Brand Vicor Corporation
Stock Quantity 7408 pcs Stock
Category Power Supplies - Board Mount > DC DC Converters
Description DC DC CONVERTER 95V 25W
Lead Free Status / RoHS Status: RoHS non-compliant
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 95V
Voltage - Isolation 3 kV
Voltage - Input (Min) 42V
Voltage - Input (Max) 60V
Type Isolated Module
Size / Dimension 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)
Series VI-J00™ (25W)
Power (Watts) 25 W
Package / Case Half Brick
Package Bulk
Operating Temperature -25°C ~ 100°C
Number of Outputs 1
Mounting Type Through Hole
Features OCP, SCP
Efficiency 90%
Current - Output (Max) 263mA
Base Product Number VI-J3B
Applications ITE (Commercial)

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges: (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: PayPal@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


VI-J3B-CZ Product Details:

The Vicor VI-J3B-CZ is a high-performance DC-DC converter designed for specialized industrial and commercial power conversion applications. This isolated module offers robust power transformation capabilities, converting input voltages between 42V and 60V to a precise 95V output with exceptional efficiency of 90%.

Engineered for demanding electrical environments, the converter operates reliably across a wide temperature range from -25°C to 100°C, making it suitable for harsh industrial settings. Its compact half-brick form factor, measuring 2.28" x 2.40" x 0.50", allows for flexible integration into complex electronic systems while maintaining a robust through-hole mounting configuration.

The converter delivers 25 watts of power with a maximum output current of 263mA and provides robust electrical isolation up to 3 kV, ensuring signal integrity and protecting sensitive electronic components. Advanced protection features include Over Current Protection (OCP) and Short Circuit Protection (SCP), enhancing system reliability and preventing potential electrical failures.

Primarily targeted at Information Technology Equipment (ITE) in commercial applications, this converter addresses critical design challenges related to power conversion, signal isolation, and thermal management. Its high efficiency and comprehensive protection mechanisms make it ideal for industrial control systems, telecommunications infrastructure, and specialized electronic equipment requiring precise voltage transformation.

While specifically a Vicor VI-J3B series product, potential alternative or equivalent models might include similar converters from manufacturers like Lambda, Artesyn, or TDK-Lambda that offer comparable power ratings and isolation characteristics in the half-brick package format.

Note that this specific model is not RoHS compliant, which may impact its use in certain regulated electronics manufacturing environments.

VI-J3B-CZ Key Technical Attributes

Input Voltage Range 42V to 60V

Output Voltage 95V

Output Power 25W

Maximum Output Current 263mA

Operating Temperature -25°C to 100°C

Efficiency 90%

Voltage Isolation 3 kV

VI-J3B-CZ Packing Size

Package Type Half Brick

Encapsulation Code 141086

Physical Dimensions 2.28" L x 2.40" W x 0.50" H (57.9mm x 70.0mm x 12.7mm)

Mounting Type Through Hole

Pin Configuration Standard for Half Brick Modules

Thermal Characteristics Supports operation up to 100°C

Electrical Properties Isolated DC-DC converter with OCP and SCP protection

VI-J3B-CZ Application

Designed for Industrial and Commercial Information Technology Equipment (ITE)

Suitable for LED lighting kits requiring isolated, stable power conversion

Ideal for applications where space is limited but high efficiency and reliability are critical

VI-J3B-CZ Features

The VI-J3B-CZ is an isolated half-brick DC-DC converter module delivering 25 watts of power with high efficiency rated at 90%. It supports input voltage ranging from 42V to 60V, ideal for systems requiring regulated 95V outputs at a maximum current of 263mA. This module features comprehensive protection including overcurrent protection (OCP) and short circuit protection (SCP), enhancing system reliability and safety. Its compact form factor (2.28" x 2.40" x 0.50") accommodates through-hole mounting, simplifying mechanical integration. The unit operates reliably in a wide temperature range from -25°C to 100°C, supporting applications in harsh environments. With a high isolation voltage rating of 3 kV, the module ensures electrical separation between input and output, reducing noise and improving safety. The encapsulation uses type 141086 material standards ensuring durability and thermal management appropriate for continuous operation.

VI-J3B-CZ Quality and Safety Features

Despite being RoHS non-compliant, the VI-J3B-CZ meets stringent electrical isolation and thermal endurance standards. Overcurrent and short circuit protections are integrated to prevent damage in fault conditions, safeguarding both the device and connected systems. The high isolation voltage of 3 kV further enhances operational safety by preventing hazardous voltage transients. The robust construction meets or exceeds industry requirements for commercial ITE applications, ensuring long operational life and dependable performance under varied environmental conditions.

VI-J3B-CZ Compatibility

The VI-J3B-CZ is compatible with other Vicor VI-J00 series converters, allowing system designers to scale power configurations while maintaining uniformity in packaging and performance characteristics. Its standard half-brick form factor and through-hole mounting facilitate interchangeability with other isolated module designs. The operating input voltage range and output specifications make it suitable for integration into existing LED lighting kits or power systems designed around similar voltage and power profiles.

VI-J3B-CZ Datasheet PDF

Our website hosts the most authoritative and up-to-date datasheet for the VI-J3B-CZ product model. Customers are strongly encouraged to download the datasheet from the current page to access in-depth technical specifications, application notes, pinouts, and detailed electrical characteristics. This resource is invaluable for design engineers and purchasing professionals seeking comprehensive product information.

Quality Distributor

IC-Components is a premium authorized distributor of Vicor products, including the VI-J3B-CZ DC-DC converter module. We pride ourselves on providing genuine components, competitive pricing, and exceptional customer service. Visit our website today to obtain a competitive quote and benefit from our reliable supply chain and expert support tailored to your project’s needs.

Frequently Asked Questions

Can the VI-J3B-CZ DC-DC converter be used in industrial environments with ambient temperatures exceeding 85°C, and what derating considerations apply near its maximum operating temperature of 100°C?
The VI-J3B-CZ is rated for operation from -25°C to 100°C, but sustained use near the upper limit requires thermal derating. Vicor specifies that output power must be reduced above 85°C due to internal junction temperature limits; at 100°C ambient, the converter can deliver only ~50% of its 25W rating. Ensure adequate airflow or heatsinking if deploying the VI-J3B-CZ in high-temperature industrial enclosures.
What input voltage transients or surges can the VI-J3B-CZ withstand without damage, given its 42V–60V nominal input range?
While the VI-J3B-CZ accepts a steady-state input of 42V–60V, it is not designed for sustained overvoltage. Transient spikes above 65V may damage internal circuitry. For applications with inductive load switching or unstable DC sources (e.g., automotive or solar), add external transient voltage suppression (TVS) diodes rated for <65V clamping to protect the VI-J3B-CZ.
Is the VI-J3B-CZ suitable for battery-powered systems where input voltage may drop below 42V during discharge, such as in 48V telecom backup setups?
No—the VI-J3B-CZ requires a minimum input of 42V to maintain regulation. If your system’s battery voltage dips below this threshold (e.g., a 48V Li-ion pack under load), consider a non-isolated buck-boost regulator upstream or select a Vicor module with a wider input range like the VI-J00 series with 36V–75V capability. Using the VI-J3B-CZ below 42V risks dropout and unstable 95V output.
How does the 3 kV isolation of the VI-J3B-CZ compare to reinforced insulation requirements in ITE safety standards like IEC 62368-1?
The VI-J3B-CZ provides 3 kV functional isolation, which meets basic insulation requirements under IEC 62368-1 for ITE applications. However, it does not satisfy reinforced or double insulation criteria required for direct user-accessible interfaces. If your design mandates reinforced isolation (e.g., connected to mains-referenced circuits), supplement with additional isolation barriers or select a module explicitly rated for reinforced insulation.
Can I parallel multiple VI-J3B-CZ modules to increase output current beyond 263mA for higher-power 95V loads?
The VI-J3B-CZ does not support direct current sharing or paralleling due to lack of active load-sharing circuitry. Attempting to parallel units may result in unequal current distribution, thermal runaway, or premature failure. For higher-current 95V requirements, consider a single higher-power isolated converter or use a post-regulating stage instead of paralleling VI-J3B-CZ modules.
What are the key differences between the VI-J3B-CZ and the newer VI-J3B-CX, and can the latter be a drop-in replacement in existing through-hole designs?
The VI-J3B-CX is a RoHS-compliant version of the VI-J3B-CZ, with identical electrical specs, pinout, and mechanical footprint. However, the VI-J3B-CZ uses leaded solder, while the CX variant uses lead-free alloys, which may affect long-term reliability in high-vibration environments due to tin whisker risk. Electrically and mechanically, the VI-J3B-CX is a direct replacement, but verify solder profile compatibility during reflow.
Does the VI-J3B-CZ require external output capacitance for stability, and what happens if I omit recommended bulk capacitance on the 95V output?
The VI-J3B-CZ is stable with minimal external capacitance, but Vicor recommends adding 10–100 µF of low-ESR ceramic or tantalum capacitance at the output to suppress high-frequency noise and improve transient response. Omitting this may cause output voltage overshoot during load steps or induce instability in sensitive downstream circuitry, especially with long output traces.
How does the 90% efficiency of the VI-J3B-CZ impact thermal management in a sealed enclosure with limited convection?
At full 25W output, the VI-J3B-CZ dissipates ~2.8W as heat (10% loss). In a sealed or poorly ventilated enclosure, this can raise internal temperatures significantly. Use thermal vias, metal core PCBs, or attach the module’s baseplate to an internal chassis/heatsink. Monitor case temperature—keeping it below 90°C ensures longevity and avoids triggering OCP/SCP protections under sustained loads.
Can the VI-J3B-CZ be used in reverse polarity scenarios, and what protection circuitry is needed if the input source may be accidentally reversed?
The VI-J3B-CZ lacks reverse-polarity protection. Applying negative voltage to its input will likely cause immediate damage. For fault-tolerant designs, add an external series Schottky diode or a MOSFET-based ideal diode circuit on the input. Ensure the protection device’s voltage rating exceeds 60V and its current rating surpasses 1A (25W / 42V ≈ 0.6A, with margin).
What layout practices are critical when mounting the VI-J3B-CZ on a through-hole PCB to maintain 3 kV isolation and minimize EMI?
Maintain a minimum 8 mm creepage distance between primary (input) and secondary (output) copper traces on the PCB. Avoid routing high-di/dt input loops near sensitive analog sections. Use a solid ground plane on the secondary side only, and ensure the VI-J3B-CZ’s mounting pins do not create unintended shorts across isolation barriers. Follow Vicor’s recommended footprint and keep input/output filtering components close to the module pins.

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