myMectronic
myMectronic

A Premier B2B Part Search

STMICROELECTRONICS SM30T18CAY Automotive Transil Surge Suppressor

The SM30T18CAY is a high-power automotive transient voltage suppressor designed to protect sensitive circuits against surges and electrostatic discharges in automotive environments. Featuring a 3000 W peak pulse power capability (10/1000 μs) and an stand-off voltage range from 5V to 33V, it is suitable for unidirectional and bidirectional applications. Packaged in JEDEC DO-214AB SMC footprint with UL 94 V-0 resin, it complies with ISO 10605 and ISO 7637-2 standards, offering reliable surge protection for automotive electronics with low leakage current and high junction temperature operation up to 150°C.

Authorized Distributors
Source:Newark
Part No:SM30T18CAY
Stock:4339
Inv Date:06-11-2026
Price: Unit price: $0.736
Buy/RFQ:
Source:DigiKey
Part No:SM30T18CAY
Stock:3611
Inv Date:06-11-2026
Price: Unit price: $2.05
Buy/RFQ:
Part No:SM30T18CAY
Stock:3660
Inv Date:06-12-2026
Price: Unit price: $1.15
Buy/RFQ:
Part No:SM30T18CAY
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.54
Buy/RFQ:
Part No:SM30T18CAY
Stock:987
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS SM30T18CAY Automotive Transil Surge Suppressor Specifications:

  • Peak pulse power: 3000 W (10/1000 μs)
  • Peak pulse power at Tm: 2200 W (8/20 μs)
  • Stand-off voltage range: 5 V to 33 V
  • Operating junction temperature: -55°C to +150°C
  • Storage temperature: -65°C to +150°C
  • Maximum lead soldering temperature: 260°C for 10 seconds
  • Package: JEDEC DO-214AB SMC
  • Resin flammability: UL 94 V-0
  • Compliance: ISO 10605, ISO 7637-2, IEC 61000-4-2
  • Surge discharge voltage: 30 kV (air and contact discharge)
  • Rated peak pulse current: up to 45.4 A depending on model

Buy the Buy STMicroelectronics Automotive Transil Surge Suppressor Part Number SM30T18CAY Online

Secure your automotive electronic systems today by purchasing the STMicroelectronics SM30T18CAY. This high-power transient voltage suppressor offers excellent surge and ESD protection, with a peak pulse power capability of 3000W. Packaged in a reliable SMC footprint and compliant with ISO standards, it ensures long-term stability at junction temperatures up to 150°C. Perfect for protecting sensitive automotive electronics from voltage spikes and electrostatic discharges, it guarantees safety, durability, and peace of mind for your vehicle’s electronic components.

Buy STMicroelectronics SM30T18CAY now and experience unmatched surge protection and reliability for automotive circuits.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SM30T18CAY?

You can click on the BUY or RFQ button to purchase SM30T18CAY from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SM30T18CAY?

You can download the SM30T18CAY datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SM30T18CAY?

STMICROELECTRONICS

STMICROELECTRONICS Part List

Browse and search other STMICROELECTRONICS parts, locate datasheets and stock

Sponsored by