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HomeProductsDiscrete Semiconductor ProductsDiodes - Bridge RectifiersVUC25-16GO2
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VUC25-16GO2 - IXYS

Manufacturer Part Number
VUC25-16GO2
Manufacturer
IXYS Corporation
Allelco Part Number
32D-VUC25-16GO2
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,030 pcs available, New & Original
Parts Description
BRIDGE RECT 3P 1.6KV 25A KAMM
Package
KAMM
Data sheet
VUC25-16GO2.pdf

Datasheets

VUC25.pdf
RoHs Status
 
Our certification
In stock: 4030

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Quantity

Specifications

VUC25-16GO2 Tech Specifications
IXYS - VUC25-16GO2 technical specifications, attributes, parameters and parts with similar specifications to IXYS - VUC25-16GO2

Product Attribute Attribute Value
Manufacturer IXYS Corporation
Voltage - Peak Reverse (Max) 1.6 kV
Voltage - Forward (Vf) (Max) @ If 2.2 V @ 55 A
Technology Standard
Supplier Device Package KAMM
Series -
Package / Case KAMM
Product Attribute Attribute Value
Package Box
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Chassis Mount
Diode Type Three Phase
Current - Reverse Leakage @ Vr 5 mA @ 1600 V
Current - Average Rectified (Io) 25 A
Base Product Number VUC

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.10.0080

Parts Introduction

Manufacturer Part Number

VUC25-16GO2

Manufacturer

Littelfuse

Introduction

Obsolete Three Phase Bridge Rectifier

Product Features and Performance

Diode Type: Three Phase

Technology: Standard

Voltage - Peak Reverse (Max): 1.6 kV

Current - Average Rectified (Io): 25 A

Voltage - Forward (Vf) (Max) @ If: 2.2 V @ 55 A

Current - Reverse Leakage @ Vr: 5 mA @ 1600 V

Operating Temperature Range: -40°C to 125°C

Mounting Type: Chassis Mount

Package / Case: KAMM

Product Advantages

High peak reverse voltage capability

Adequate average rectified current

Low leakage current at high voltage

Suitable for high temperature operations

Key Technical Parameters

Voltage - Peak Reverse (Max): 1.6 kV

Current - Average Rectified (Io): 25 A

Voltage - Forward (Vf) (Max) @ If: 2.2 V @ 55 A

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Robust construction for chassis mount

Standard technology for proven performance

Compatibility

Package: KAMM

Suitable for three-phase rectification applications

Application Areas

Industrial power supplies

Motor drives

Power conversion systems

Product Lifecycle

Status: Obsolete

Not recommended for new designs

Potential need for alternative sourcing or substitute parts

Several Key Reasons to Choose This Product

High voltage and current handling capabilities

Durability for heavy-duty applications

Operational stability across a wide temperature range

Design compatibility for easy integration in existing systems

Frequently Asked Questions(FAQ)

What are the key thermal performance considerations when integrating the VUC25-16GO2 bridge rectifier into a high-reliability power conversion system operating at full load?
The VUC25-16GO2 is rated for a junction temperature range of -40°C to 125°C, which aligns with industrial-grade semiconductor requirements. At maximum forward current (25 A average), power dissipation can reach approximately 60–70 W under typical switching conditions, necessitating careful heatsinking and airflow management. Thermal impedance from junction to case must be minimized through direct mounting on a robust heat spreader or chassis, especially in three-phase applications where continuous conduction increases thermal stress. Designers should account for derating beyond 100°C ambient and ensure adequate surface contact area to maintain junction temperatures within safe limits during sustained operation.
How does the VUC25-16GO2 compare to alternative models like the VUC36-16GO2 in terms of current handling and application suitability?
While both the VUC25-16GO2 and VUC36-16GO2 share identical reverse voltage ratings (1.6 kV) and package compatibility, their current capabilities differ significantly. The VUC25-16GO2 supports an average rectified current of 25 A, whereas the VUC36-16GO2 is rated for 36 A—making it more suitable for higher-power industrial drives or renewable energy inverters. However, this increased rating comes with higher forward voltage drop and associated losses; the VUC25-16GO2 offers slightly better efficiency at lower to moderate loads. Selection depends on system headroom requirements and whether future scalability justifies the added cost and thermal burden of the higher-current variant.
In what types of industrial power systems would the VUC25-16GO2 be most effectively deployed?
The VUC25-16GO2 is optimized for medium-voltage, high-power rectification in three-phase AC-to-DC conversion scenarios. Its 1.6 kV peak reverse voltage makes it appropriate for applications such as motor drive systems, welding equipment, battery charging stations, and solar power conditioning units where input voltages may exceed 1 kV. The chassis-mount KAMM package enables direct integration into enclosures with shared cooling infrastructure, reducing PCB footprint and simplifying assembly. Due to its standard technology and lack of integrated controls, it is best suited for systems requiring discrete, ruggedized rectification stages rather than soft-switching topologies.
What design precautions should engineers take when using the VUC25-16GO2 near its maximum reverse voltage rating?
Operating the VUC25-16GO2 close to its 1.6 kV peak reverse voltage requires adherence to strict transient protection practices. Although the component exhibits low reverse leakage current (5 mA at 1600 V), voltage spikes from inductive loads can approach or exceed this threshold during switching events. Engineers should implement snubber networks across each diode leg and ensure proper grounding to suppress ringing. Additionally, layout parasitics must be minimized to prevent localized overvoltage due to di/dt effects. It is advisable to derate the operating voltage by 10–15% in harsh environments to enhance reliability and extend operational lifespan.
Can the VUC25-16GO2 be used in parallel configurations to increase total current capacity?
Parallel operation of VUC25-16GO2 devices is possible but introduces challenges related to current sharing. The diodes exhibit slight variations in forward voltage characteristics even within the same batch, leading to uneven current distribution under dynamic conditions. Without external ballast resistors—which add loss and complexity—one device may carry disproportionate current, risking thermal runaway. If parallel use is necessary, active balancing techniques or matched pairing based on pre-test characterization are recommended. This approach is generally less efficient than selecting a single higher-rated rectifier like the VUC36-16GO2.
How does the VUC25-16GO2 perform under high-frequency switching conditions compared to soft-recovery alternatives?
The VUC25-16GO2 uses standard silicon rectification technology without optimized recovery characteristics, resulting in relatively long reverse recovery times and significant switching losses at frequencies above 10 kHz. While acceptable for line-frequency (50/60 Hz) applications common in industrial rectifiers, it becomes inefficient in modern PWM-based converters. In such cases, fast-recovery or silicon carbide (SiC) diodes offer superior performance with lower switching losses and reduced EMI. For designs targeting >20 kHz operation, reconsidering topology or component selection is advisable unless cost or availability constraints favor the VUC25-16GO2.
What environmental and regulatory factors influence deployment of the VUC25-16GO2 in global markets?
The VUC25-16GO2 carries an MSL rating of 1, indicating unlimited moisture sensitivity exposure before use, which simplifies handling in cleanroom environments. It is classified under ECCN EAR99 and HTSUS 8541.10.0080, making export restrictions minimal for most countries. REACH status confirms absence of restricted substances, supporting compliance in EU and North American markets. These attributes make it suitable for broad industrial deployment without additional certification overhead, though local electrical standards (e.g., IEC 60950 for safety isolation) still govern system-level approval.
Is the VUC25-16GO2 compatible with automated assembly processes, and what packaging considerations apply?
No, the VUC25-16GO2 features a KAMM chassis-mount package designed for manual installation or bolted integration onto metal heat sinks. This non-surface-mount form factor excludes it from standard pick-and-place lines and reflow profiles. Instead, it requires mechanical fixation—typically with spring washers or screws—to ensure low thermal resistance between device and chassis. While this limits automation benefits, it enhances mechanical robustness and facilitates field maintenance, aligning well with heavy-industrial applications where reliability outweighs assembly speed.

Parts with Similar Specifications

The three parts on the right have similar specifications to IXYS VUC25-16GO2

Product Attribute VUC25-14GO2 VUC25-12GO2 VUC36-16GO2 VUC36-12GO2
Part Number VUC25-14GO2 VUC25-12GO2 VUC36-16GO2 VUC36-12GO2
Manufacturer IXYS IXYS IXYS IXYS
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Peak Reverse (Max) - - - -
Voltage - Forward (Vf) (Max) @ If - - - -
Technology - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Reverse Leakage @ Vr - - - -
Current - Average Rectified (Io) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Diode Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

VUC25-16GO2 Datasheet PDF

Download VUC25-16GO2 pdf datasheets and IXYS documentation for VUC25-16GO2 - IXYS.

Datasheets
VUC25.pdf

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    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.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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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
IXYS

VUC25-16GO2

IXYS
32D-VUC25-16GO2

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