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STMICROELECTRONICS SM30T75CAY Automotive Surge Protection Diode

The SM30T75CAY is a high-performance automotive surge protection diode designed to safeguard sensitive electronic circuits against voltage spikes and electrostatic discharges. It features a peak pulse power dissipation of 3000 W and supports stand-off voltages from 5 V to 48 V, making it suitable for various automotive applications. Packaged in a JEDEC DO-214AB SMC footprint with UL 94V-0 material, this bidirectional device ensures reliable performance, high junction temperature tolerance up to 175°C, and compliance with ISO 10605 and ISO 7637-2 standards, offering robust surge protection for automotive electronics.

Authorized Distributors
Source:DigiKey
Part No:SM30T7.5CAY
Stock:2051
Inv Date:06-11-2026
Price: Unit price: $2.17
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Source:DigiKey
Part No:SM30T75CAY
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.78417
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Part No:SM30T75CAY
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.683
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Part No:SM30T7.5CAY
Stock:2500
Inv Date:06-11-2026
Price: Unit price: $0.475
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Part No:SM30T7.5CAY
Stock:2500
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS SM30T75CAY Automotive Surge Protection Diode Specifications:

  • Peak pulse power: 3000 W (10/1000 μs)
  • Surge capability: up to 36 kW (8/20 μs)
  • Stand-off voltage range: from 5 V to 48 V
  • Operating Tj max: 175°C
  • JEDEC DO-214AB SMC package
  • Flammability rating: UL 94V-0
  • IEC 61000-4-2 / ISO 10605: contact discharge 30kV, air discharge 30kV
  • Electrical characteristics: Breakdown voltage Vvr from 5 V to 48 V, clamping voltage verified under surge conditions
  • Tj operating temperature: -55°C to +175°C
  • Soldering temperature: max 260°C for 10 seconds
  • Standards compliance: ISO 10605, ISO 7637-2, IEC 61000-4-2
  • Case: JEDEC DO-214AB molded plastic
  • Polarity: unidirectional and bidirectional types indicated by band
  • RoHS and ECOPACK compliant

Buy the STMicroelectronics SM30T75CAY – Reliable Automotive Surge Protection for Industrial Applications

Secure your automotive electronics with the STMicroelectronics SM30T75CAY surge protection diode. Designed for high reliability and performance, it offers 3000 W peak pulse power dissipation and supports voltages up to 48 V. With a compact SMC package and UL 94V-0 flammability rating, this bidirectional device ensures robust protection against voltage surges and electrostatic discharges. Ideal for automotive and industrial applications, it meets ISO 10605, ISO 7637-2 standards, and exceeds industry expectations for durability and safety. Order online now to safeguard your sensitive equipment effectively.

Buy STMicroelectronics SM30T75CAY now and experience unmatched reliability and surge protection for automotive and industrial circuits.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SM30T75CAY?

You can click on the BUY or RFQ button to purchase SM30T75CAY from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SM30T75CAY?

You can download the SM30T75CAY datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SM30T75CAY?

STMICROELECTRONICS

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