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Vishay KBL08E451 Single-phase power rectifier

The KBL08E451 is a single-phase bridge rectifier suitable for general purpose AC/DC full wave rectification applications, including power supplies, monitors, and home appliances. It features high surge current capability, a case style KBL design, and a maximum repetitive peak reverse voltage of 800V. With a low forward voltage drop of 0.7V at 4A, it ensures efficient energy conversion. The rectifier has silver-plated leads for reliable soldering, making it ideal for printed circuit board mounting and demanding electronic circuits.

Authorized Distributors
Source:Newark
Part No:KBL08-E4/51
Stock:342
Inv Date:06-10-2026
Price: Unit price: $0.904
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Source:DigiKey
Part No:KBL08-E4/51
Stock:1
Inv Date:06-10-2026
Price: Unit price: $5.22
Buy/RFQ:
Part No:KBL08-E4/51
Stock:413
Inv Date:06-11-2026
Price: Unit price: $5.22
Buy/RFQ:
Part No:KBL08-E4/51
Stock:0
Inv Date:06-10-2026
Price: Unit price: $4.84
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Source:Arrow EU
Part No:KBL08-E4/51
Stock:2390
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

Vishay KBL08E451 Single-phase power rectifier Specifications:

  • Maximum repetitive peak reverse voltage: 50V to 1000V depending on model
  • Maximum RMS voltage: 35V to 700V depending on model
  • Maximum DC blocking voltage: 50V to 1000V depending on model
  • Maximum average forward current: 4A at 50°C
  • Operating junction and storage temperature range: -50°C to +150°C
  • Case style: KBL
  • Terminal: Silver-plated leads, solderable per J-STD-002
  • Case dimensions: (various dimensions as per model), typical length about 0.768 inches (19.5 mm)
  • Thermal resistance junction to ambient: R_θA ≈ 19°C/W
  • Thermal resistance junction to lead: R_θJL ≈ 40°C/W
  • Maximum forward voltage drop: 0.7V at 4A
  • Mounting torque: 10 cm-kg maximum

Buy the Vishay Series KBL Rectifier: KBL08E451

Purchase the Vishay KBL08E451 single-phase bridge rectifier online today to ensure efficient AC/DC conversion in your power supplies, home appliances, and electronic systems. This reliable rectifier offers a maximum repetitive peak reverse voltage of 800V and a 4A current capacity, making it ideal for demanding applications. Its high surge current capability, high dielectric strength, and solderable leads ensure durable, efficient performance on printed circuit boards. Order now for fast delivery and seamless integration into your projects.

Buy Vishay KBL08E451 now and experience unmatched reliability and high current rectification for power supplies and electronic circuits.

Frequently Asked Questions

Where can I buy Vishay KBL08E451?

You can click on the BUY or RFQ button to purchase KBL08E451 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part KBL08E451?

You can download the KBL08E451 datasheet or visit the Vishay website for support.

Who is the manufacturer of KBL08E451?

Vishay

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