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KBU4J KBU4J is a single phase bridge rectifier from On Semiconductor, rated for 600V repetitive reverse voltage and 4A average forward current. It comes in a through-hole KBU package.
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KBU4J

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
KBU4J is a single phase bridge rectifier from On Semiconductor, rated for 600V repetitive reverse voltage and 4A average forward current. It comes in a through-hole KBU package.
✓ Total Stock: 7 pcs

KBU4J Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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7 pcs
On Request
7 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
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KBU4J Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Diode Type
Forward Voltage
Lead Style
Mounting Type
Operating Temperature
Power Dissipation
SVHC Present
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Technology
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KBU4J Description

Short technical summary and product information.

The KBU4J is a single phase bridge rectifier from On Semiconductor, part of the KBU4A-KBU4M series. It is designed for general purpose AC to DC conversion and is ideal for printed circuit board mounting.

 

Key electrical specifications include a maximum repetitive reverse voltage (VRRM) of 600V, an average rectified forward current (IF(AV)) of 4.0A at TA=50°C, and a non-repetitive peak forward surge current (IFSM) of 200A. The forward voltage (VF) is 1.0V maximum at 4.0A per bridge. Reverse leakage current is 5µA at 25°C and 500µA at 100°C. Power dissipation is 6.6W, with thermal resistance junction-to-ambient of 19°C/W and junction-to-lead of 4.0°C/W (per leg, mounted on PCB).

 

The device is housed in a through-hole KBU package (4-SIP) and operates over a junction temperature range of -55°C to 150°C. It features high surge current capability and reliable construction. Note that the datasheet covers the entire KBU4A-KBU4M series; verify specific part number for exact ratings.

KBU4J Quick Information

Product Type: Bridge Rectifier
Series: KBU
Canonical Name: KBU4J Bridge Rectifier, Single Phase, 600V, 4A, Through Hole, KBU Package
Subcategory: Single Phase Bridge Rectifier

KBU4J Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

KBU4J Features

  • Single phase bridge rectifier with 600V VRRM.
  • Rated for 4A average forward current.
  • High surge current capability of 200A.
  • Through hole KBU package for PCB mounting.
  • Operating temperature range -55°C to 150°C.

KBU4J Applications

  • Ideal for general purpose AC to DC conversion.
  • Suitable for power supply input rectification.
  • Used in printed circuit board assemblies.
  • Applicable in industrial and consumer electronics.

KBU4J FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum repetitive reverse voltage of the KBU4J?

600V.

What is the average rectified forward current rating?

4.0A at TA=50°C (per datasheet).

What is the forward voltage drop?

1.0V maximum at 4.0A per bridge.

What package is the KBU4J available in?

Through hole KBU package (4-SIP).

What is the non-repetitive peak forward surge current?

200A.

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