myMectronic
myMectronic

A Premier B2B Part Search

STMICROELECTRONICS SM30T39AY Automotive Transil

The SM30T39AY is a high-power transient suppression device designed for automotive applications. It protects sensitive circuits from voltage surges, electrostatic discharges, and ISO 7637-2 pulses. Packaged in SMC (DO-214AB) footprint, it features a stand-off voltage up to 40 V, peak pulse power of 3000 W (10/1000 us), and is qualified for automotive environments with low leakage currents and high junction temperature capability. The device meets UL 94V-0 flammability standards and complies with AEC-Q101, ISO 10605, and ISO 7637-2 standards for surge and discharge protection, making it suitable for demanding automotive electrical systems.

Authorized Distributors
Source:Newark
Part No:SM30T39AY
Stock:1014
Inv Date:06-11-2026
Price: Unit price: $1.24
Buy/RFQ:
Source:DigiKey
Part No:SM30T39AY
Stock:2462
Inv Date:06-11-2026
Price: Unit price: $1.87
Buy/RFQ:
Part No:SM30T39AY
Stock:8798
Inv Date:06-12-2026
Price: Unit price: $1.2
Buy/RFQ:
Part No:SM30T39AY
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.48
Buy/RFQ:

STMICROELECTRONICS SM30T39AY Automotive Transil Specifications:

  • Peak pulse power: 3000 W (10/1000 us), up to 36 kW (8/20 us)
  • Stand-off voltage: from 5 V to 48 V, maximum 40 V for model SM30T39AY
  • Maximum junction temperature: -55°C to +175°C
  • Storage temperature: -65°C to +175°C
  • Operating junction temperature: -55°C to +175°C
  • Peak pulse voltage: 3 kV air discharge, 30 kV contact discharge (ISO 10605)
  • Pulse current: specific to model, e.g., 10 A for SM30T39AY
  • Meets UL 94V-0 flammability, RoHS compliant, and is AEC-Q101 qualified
  • Package: SMC (JEDEC DO-214AB), solder plated terminals, epoxy resin

Buy the Buy STMicroelectronics Automotive Transil Part Number SM30T39AY Online

Purchase the STMicroelectronics automotive Transil device SM30T39AY online today to safeguard your vehicle electronic systems from electrical surges and ESD events. With a robust 3000 W peak pulse power rating, this unidirectional device in SMC package offers high reliability and stability over time. It is qualified for automotive standards, including AEC-Q101, UL 94V-0 flammability, and ISO 10605 discharge protections. Easy to solder with solder-plated terminals, it ensures long-lasting performance in harsh automotive environments. Get yours now to enhance your vehicle’s electrical resilience.

Order your STMicroelectronics Series SM30T39AY automotive surge protector today and ensure reliable circuit protection against voltage spikes and electrostatic discharges.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SM30T39AY?

You can click on the BUY or RFQ button to purchase SM30T39AY from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SM30T39AY?

You can download the SM30T39AY datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SM30T39AY?

STMICROELECTRONICS

STMICROELECTRONICS Part List

Browse and search other STMICROELECTRONICS parts, locate datasheets and stock

Sponsored by