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Vishay SM15T18AHM3AH Transient Voltage Suppressor Diode

The Vishay SM15T18AHM3AH is a surface-mount transient voltage suppressor (TVS) diode designed for protecting sensitive electronics from voltage transients caused by lightning, switching surges, and inductive loads. It offers peak pulse power of 1500 W with a voltage range from 17.1 V to 18.9 V, and peak pulse current of 200A. Encased in a compact SMC (DO-214AB) package, it features low inductance, glass passivated chip junction, RoHS compliance, and optional halogen-free versions. Suitable for industrial, automotive, and telecommunication applications requiring reliable transient suppression.

Authorized Distributors
Source:Newark
Part No:SM15T18AHM3_A/H
Stock:33
Inv Date:06-09-2026
Price: Unit price: $1.47
Buy/RFQ:
Source:DigiKey
Part No:SM15T18AHM3_A/H
Stock:3130
Inv Date:06-09-2026
Price: Unit price: $1.33
Buy/RFQ:
Part No:SM15T18AHM3_A/H
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.32
Buy/RFQ:
Part No:SM15T18AHM3-A/H
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

Vishay SM15T18AHM3AH Transient Voltage Suppressor Diode Specifications:

  • Peak power dissipation: 1500 W with 10/1000 µs waveform
  • Peak pulse current: 200 A
  • Maximum operating junction temperature: 150°C
  • Junction capacitance: varies with voltage (approx. 50-160 pF)
  • Package: SMC (DO-214AB), dimensions: 0.246 x 0.220 inches (6.25 x 5.59 mm)
  • Mounting: solderable leads, meets JESD standards, RoHS compliant
  • Temperature range: -65°C to +150°C
  • Polarity: uni-directional and bi-directional types available, the band denotes cathode end
  • Material: glass passivated chip, RoHS, halogen-free options available
  • Application: lightning transient, switching surges, inductive load transients in automotive, industrial, telecom
  • Mechanical: low profile, low inductance, suitable for automated placement

Buy the VISHAY SM15T18AH – Reliable Transient Voltage Suppressor for Industrial Applications

Purchase the Vishay SM15T18AH transient voltage suppressor diode online today to ensure your sensitive electronics are protected from lightning and switching transients. This compact, RoHS-compliant SMC package offers 1500 W peak pulse power, 200A peak pulse current, and low inductance for reliable surge suppression across automotive, industrial, and communication systems. With optional halogen-free versions and proven durability, this TVS diode is ideal for use in demanding environments. Get yours now and enhance your circuit protection with one of the most dependable transient suppressors available.

Order your Vishay Series SM15T18AH today and strengthen your electronics against voltage transients with this highly reliable TVS diode.

Frequently Asked Questions

Where can I buy Vishay SM15T18AHM3AH?

You can click on the BUY or RFQ button to purchase SM15T18AHM3AH from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SM15T18AHM3AH?

You can download the SM15T18AHM3AH datasheet or visit the Vishay website for support.

Who is the manufacturer of SM15T18AHM3AH?

Vishay

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