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STMICROELECTRONICS SM4T23CAY Automotive Surge Protector

The SM4TY series comprises automotive surge protection devices designed to safeguard sensitive circuits against electrical surges per ISO 7637-2 and electrostatic discharges in ISO 10605. Packaged in JEDEC SMA footprints, these unidirectional and bidirectional Transil diodes feature planar technology for low leakage current and high junction temperature reliability up to 150°C. With peak pulse power dissipation of 400 W, they are AEC-Q101 qualified and meet UL 94V-0 flammability standards, making them ideal for automotive electronic protection applications.

Authorized Distributors
Source:Newark
Part No:SM4T23CAY
Stock:4973
Inv Date:06-11-2026
Price: Unit price: $0.829
Buy/RFQ:
Source:DigiKey
Part No:SM4T23CAY
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.39897
Buy/RFQ:
Part No:SM4T23CAY
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.49
Buy/RFQ:

STMICROELECTRONICS SM4T23CAY Automotive Surge Protector Specifications:

  • Peak pulse power: 400 W (10/1000 μs), 2.3 kW (8/20 μs)
  • Stand-off voltage: 5 V to 70 V
  • Leakage current: 0.2 pA at 25°C, 1 pA at 85°C
  • Maximum junction temperature: 150°C
  • Operating temperature: -55°C to 150°C
  • Storage temperature: -65°C to 150°C
  • Maximum soldering lead temperature: 260°C for 10 seconds
  • Package: JEDEC DO-214AB SMA in epoxy UL 94V-0, RoHS compliant
  • Designed for automotive circuits, with high surge and electrostatic discharge protection
  • Package dimensions comply with IPC 7531 standards
  • Material: Solderable, solder plated terminals for reliable mounting
  • Certified to ISO 10605, ISO 7637-2 standards, and AEC-Q101 qualification

Buy the Buy STMicroelectronics SM4T23CAY Automotive Surge Protection Part Number SM4T23CAY Online

Purchase the STMicroelectronics SM4T23CAY surge protection diode online today. Engineered for automotive circuits, it offers 400 W peak pulse power, low leakage current, and high temperature stability. Packaged in a JEDEC SMA footprint, it ensures reliable performance against electrical surges and electrostatic discharges. Featuring AEC-Q101 qualification and UL 94V-0 flammability certification, this device provides durable, high-performance protection. Order now and secure your sensitive automotive electronics with trusted surge suppression technology designed for demanding environments.

Get STMicroelectronics SM4T23CAY today—built for automotive surge protection with high peak pulse power and low leakage current for long-lasting reliability.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SM4T23CAY?

You can click on the BUY or RFQ button to purchase SM4T23CAY from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SM4T23CAY?

You can download the SM4T23CAY datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SM4T23CAY?

STMICROELECTRONICS

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