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Vishay SF5408TR Avalanche Diode

The SF5408TR is an ultra-fast avalanche diode featuring a hermetically sealed glass envelope and low reverse current, ideal for switched mode power supplies and high-frequency inverter circuits. It boasts a high reverse voltage of 1000V and can withstand repetitive peak currents up to 80A, with a maximum forward current of 3A. The diode has axial plated leads, is solderable, and is designed for any mounting position, ensuring reliable performance in demanding applications. Its robust construction guarantees stability and longevity in power regulation and switching tasks.

Authorized Distributors
Source:Newark
Part No:SF5408-TR
Stock:395
Inv Date:06-09-2026
Price: Unit price: $0.163
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Source:DigiKey
Part No:SF5408-TR
Stock:15869
Inv Date:06-09-2026
Price: Unit price: $4.06
Buy/RFQ:
Part No:SF5408-TR
Stock:18040
Inv Date:06-10-2026
Price: Unit price: $4.01
Buy/RFQ:
Part No:SF5408-TR
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1.18
Buy/RFQ:
Part No:SF5408-TR
Stock:5000
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

Vishay SF5408TR Avalanche Diode Specifications:

  • Maximum Repetitive Peak Forward Surge Current: 80A at 10ms half sine wave
  • Average Forward Current: 3A
  • Junction and Storage Temperature Range: -55°C to +175°C
  • Peak Forward Surge Current: 150A at 2ms, half sine wave
  • Reverse Breakdown Voltage: 1100V for SF5408
  • Forward Voltage: 17V at 3A
  • Reverse Current: 50μA at rated voltage
  • Thermal Resistance: 25KW lead length=10mm, 70KW on PCB with 25mm spacing
  • Package: SOD-64 hermetically sealed glass case
  • Weight: approximately 858 mg
  • Polarity: Cathode identified by color band
  • Mounting: Any position, solderable axial leads

Buy the Vishay Series SF Series Avalanche Diode: SF5408TR

Order the Vishay SF5408TR diode online today and enhance your power supply designs with this high-speed, high-voltage component. Its hermetically sealed glass envelope ensures durability and low reverse current, making it ideal for demanding applications like switched mode power supplies and high-frequency inverters. With a reverse voltage of 1000V and a maximum forward current of 3A, this diode guarantees reliable operation under extreme conditions. Purchase now to benefit from fast shipping and competitive prices, ensuring your project stays on schedule.

Buy Vishay SF5408TR diode now and experience unmatched reliability and high-voltage switching performance in your power circuits.

Frequently Asked Questions

Where can I buy Vishay SF5408TR?

You can click on the BUY or RFQ button to purchase SF5408TR from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SF5408TR?

You can download the SF5408TR datasheet or visit the Vishay website for support.

Who is the manufacturer of SF5408TR?

Vishay

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