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Vishay VTVS21ASMFHM308 Transient Voltage Suppressor

The VTVSxxASMF Series 400W Transient Voltage Suppressor diodes in SMF package offer high surge current protection up to 400W at 10/100µs. Designed for portable electronics, they feature low noise technology, fast response, and low leakage current, ensuring reliable protection for sensitive components. Suitable for space-constrained devices like smartphones, tablets, notebooks, and laptops, these devices are also automotive qualified, meeting industry standards. Their precise avalanche breakdown tolerance and RoHS compliance make them ideal for various electronic applications requiring robust transient suppression and space-saving design.

Authorized Distributors
Source:Newark
Part No:VTVS21ASMF-HM3-08
Stock:788
Inv Date:06-09-2026
Price: Unit price: $0.04
Buy/RFQ:
Source:DigiKey
Part No:VTVS21ASMF-HM3-08
Stock:32811
Inv Date:06-09-2026
Price: Unit price: $0.9
Buy/RFQ:
Part No:VTVS21ASMF-HM3-08
Stock:29487
Inv Date:06-10-2026
Price: Unit price: $0.75
Buy/RFQ:

Vishay VTVS21ASMFHM308 Transient Voltage Suppressor Specifications:

  • Peak pulse power: 400 W at 10/100µs waveform
  • Maximum peak pulse current: 22.6A (VTVS25ASMF)
  • Breakdown Voltage: 905 V to 1080 V depending on part
  • Reverse Stand-off Voltage: 5.00 V to 63.00 V
  • Operating temperature: -55°C to +175°C
  • Material: Halogen-free, RoHS compliant
  • Package: DO-219AB (SMF)
  • Clamping Voltage: approximately 5.39 V to 63.00 V at 10/1000µs pulse
  • Response time: Very fast, low noise technology
  • Certification: AEC-Q101 qualified
  • Discharge and ESD immunity: +30 kV contact and air discharge
  • Thermal resistance: Mounting on heat sink with high thermal dissipation
  • Dimensions: Approximately 3.9 mm x 1.9 mm x 1.7 mm, suitable for space-efficient mounting

Buy the Buy Vishay Transient Voltage Suppressor Part Number VTVS21ASMFHM308 Online

Secure your electronic devices with the Vishay VTVS21ASMFHM308 transient voltage suppressor, offering 400W peak pulse power, fast response, and low noise technology. This compact, RoHS-compliant diode is ideal for portable electronics like smartphones, tablets, and laptops, providing excellent ESD and surge protection. Automotive qualified, it ensures industry-standard reliability and durability. Easily order online to enhance your project’s safety, achieve space-saving design, and guarantee long-lasting component protection with Vishay’s trusted transient suppressors.

Order your Vishay SeriesVTVS21ASMFHM308 high surge transient voltage suppressor today and protect your electronics with reliable, automotive-qualified surge protection.

Frequently Asked Questions

Where can I buy Vishay VTVS21ASMFHM308?

You can click on the BUY or RFQ button to purchase VTVS21ASMFHM308 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part VTVS21ASMFHM308?

You can download the VTVS21ASMFHM308 datasheet or visit the Vishay website for support.

Who is the manufacturer of VTVS21ASMFHM308?

Vishay

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