KBU3508-G

Description：BRIDGE RECT 1PHASE 800V 4.2A KBU
Series：-

SKU:21e17cf3aa1b Category: Bridge Rectifiers Brand: Comchip Technology

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Product introduction

Product Detailed Parameters

Description：BRIDGE RECT 1PHASE 800V 4.2A KBU
Series：-
Mfr：Comchip Technology
Package：Bulk
Diode Type：Single Phase
Technology：Standard
Voltage - Peak Reverse (Max)：800 V
Current - Average Rectified (Io)：4.2 A
Voltage - Forward (Vf) (Max) @ If：1.1 V @ 17.5 A
Current - Reverse Leakage @ Vr：10 µA @ 800 V
Operating Temperature：-55°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：4-SIP, KBU
Supplier Device Package：KBU
Grade：-
Qualification：-

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KBU3508-G

Overview

The KBU3508-G is a single-phase full-wave bridge rectifier manufactured by Comchip Technology. It utilizes glass-passivated junctions for enhanced stability and reverse leakage resistance. The device is designed for general-purpose rectification in power supply circuits, featuring a compact surface-mount package suitable for automated assembly processes.

Feature Summary

Glass passivation provides high stability and low reverse leakage current
Surface-mount design facilitates automated PCB assembly
High surge current capability ensures robust operation under transient conditions

Applications

General-purpose AC to DC conversion in power supplies
Battery chargers
Adapters and converters

Procurement Notes

Verify the manufacturer marking on the component body matches Comchip Technology branding. Confirm the part number suffix corresponds to the specific RoHS-compliant variant. Request the official datasheet from authorized distributors to validate electrical ratings against your circuit requirements before finalizing procurement.

Selection Notes

Select this component when a surface-mount bridge rectifier with moderate current handling is required. Ensure the PCB footprint matches the specified package dimensions. Verify that the peak inverse voltage rating exceeds the maximum reverse voltage present in the application circuit to prevent breakdown.

Part Context

This component belongs to the KBU series of surface-mount bridge rectifiers from Comchip Technology. The series offers various voltage ratings and current capacities, providing designers with options for different power levels while maintaining consistent package footprints for board layout flexibility across product generations.

Replacement Considerations

Direct replacements must match the 35A current rating and 800V reverse voltage specification. Verify pinout compatibility and thermal characteristics. Alternative manufacturers may offer similar specifications but require verification of package dimensions and mounting hole placements.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.