KBPC8005PBF Vishay Bridge Rectifier (Other) In Stock

Name: KBPC8005PBF
Brand: Vishay
SKU: KBPC8005PBF
Availability: InStock

Vishay KBPC8005PBF is a silicon bridge rectifier diode rated at 8 A forward current and 50 V reverse voltage. Features 1 V maximum forward voltage drop and isolated case configuration for safe mounting. Available from stock with worldwide shipping.

ACTIVEBridge RectifierVerified Jun 2026

Package / Visual Reference

KBPC8005PBFOther

Quick Facts

Manufacturer: Vishay
Package: Other
Pin Count: 4
Lifecycle: ACTIVE
Datasheet: KBPC8005PBF Datasheet PDF
Category: Bridge Rectifier
Temp Range: -55.0°C to 150.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of KBPC8005PBF?

8 A average forward current capacity for medium-power rectification
50 V peak inverse voltage rating in a 4-element bridge configuration
Low 1 V maximum forward voltage drop minimizes power loss
Isolated case construction enables safe chassis mounting without insulating hardware
RoHS compliant Pb-free silicon construction for global regulatory compliance

What is KBPC8005PBF used for?

The KBPC8005PBF is designed for AC-to-DC power conversion in linear power supplies, battery chargers, and motor drive circuits requiring up to 8 A output current. Its 50 V reverse voltage rating and isolated case make it suitable for low-voltage industrial power supplies and appliance power adapters. This bridge rectifier is commonly used in welding equipment, UPS systems, and general-purpose DC power conversion circuits.

What are the specifications of KBPC8005PBF?

Pbfree Code	Yes
Factory Lead Time	111Weeks
YTEOL	6.85
Additional Feature	LEAKAGE CURRENT IS NOT AT 25 DEG C
Case Connection	ISOLATED
Configuration	BRIDGE, 4 ELEMENTS
Diode Element Material	SILICON
Diode Type	BRIDGE RECTIFIER DIODE
Forward Voltage-Max (VF)	1V
JESD-30 Code	S-PUFM-W4
Non-rep Pk Forward Current-Max	137A
Number of Elements	4
Number of Phases	1
Output Current-Max	8A
Package Body Material	PLASTIC/EPOXY
Package Shape	SQUARE
Package Style	FLANGE MOUNT
Qualification Status	Not Qualified
Rep Pk Reverse Voltage-Max	50V
Surface Mount	NO
Terminal Finish	NICKEL
Terminal Form	WIRE
Terminal Position	UPPER
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8541.10.00.80

Where can I find the KBPC8005PBF datasheet?

KBPC8005PBF Datasheet Download

Official datasheet from Vishay

What are equivalent replacements for KBPC8005PBF?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What current and voltage ratings define the KBPC8005PBF's operating envelope for power supply designs?

The KBPC8005PBF is rated for 8 A average forward current and 50 V peak inverse voltage, with a maximum forward voltage drop of 1 V per diode element. These ratings make it suitable for single-phase AC-to-DC rectification in power supplies and battery chargers operating from low AC line voltages.

How does the isolated case of the KBPC8005PBF simplify heat sink mounting in power supply assemblies?

The KBPC8005PBF features an isolated case connection, meaning the metal mounting tab is electrically isolated from the internal diode junctions. This allows direct mounting to a grounded metal chassis or heat sink without an insulating mica pad, reducing thermal resistance and simplifying the mechanical assembly of power supply enclosures.

For which applications is the KBPC8005PBF a suitable alternative to discrete diode bridge circuits?

The KBPC8005PBF replaces four discrete rectifier diodes wired in a bridge configuration, providing a compact 4-element bridge in a single KBPC package. At 8 A and 50 V, it fits battery chargers for 12 V to 36 V lead-acid or lithium battery banks, low-power linear regulators, and small motor drive rectifier stages where board space savings are important.

What is the forward voltage loss across the KBPC8005PBF at full rated current, and how does it affect efficiency?

At 8 A forward current, the KBPC8005PBF exhibits up to 1 V forward voltage drop per diode element, with two elements conducting simultaneously in a bridge topology. This results in up to 2 V total forward drop, dissipating up to 16 W at full load, which designers must account for in heat sink thermal calculations for reliable operation.

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