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SM4T10CAY SM4T10CAY is a bidirectional Zener TVS diode from STMicroelectronics with 8.5V reverse standoff voltage, 19.5V clamping voltage, and 400W peak pulse power capability. It comes in a surface-mount DO-214AC (SMA) package.
Mfr Part #:

SM4T10CAY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SM4T10CAY is a bidirectional Zener TVS diode from STMicroelectronics with 8.5V reverse standoff voltage, 19.5V clamping voltage, and 400W peak pulse power capability. It comes in a surface-mount DO-214AC (SMA) package.
✓ Total Stock: 5,000 pcs
$ Price Range: $0.20 - $1.04

SM4T10CAY Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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5,000 pcs
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5000 pcs On Request 1 On Request On Request On Request On Request On Request
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SM4T10CAY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Bidirectional Channels
Current
Mounting Type
Number of Channels
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Voltage
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SM4T10CAY Description

Short technical summary and product information.

The SM4T10CAY is a bidirectional Zener TVS diode designed by STMicroelectronics for automotive applications. It provides transient voltage protection with a reverse standoff voltage of 8.5V and a maximum clamping voltage of 19.5V at 124A (8/20µs waveform). The device can handle peak pulse power up to 400W. It features a single bidirectional channel and is not intended for power line protection. The operating temperature range is -55°C to 150°C. The SM4T10CAY is housed in a surface-mount DO-214AC (SMA) package, suitable for automated assembly. It is RoHS3 compliant and REACH unaffected, with an MSL of 1 (unlimited). This component is commonly used in automotive electronics for protecting sensitive circuits from voltage transients.

SM4T10CAY Quick Information

Product Type: TVS Diode
Series: SM4TY, Automotive
Canonical Name: SM4T10CAY - TVS Diode, Bidirectional, 8.5V Reverse Standoff, 19.5V Clamping, 400W, DO-214AC (SMA)
Subcategory: Bidirectional Zener TVS

SM4T10CAY Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SM4T10CAY Estimated Pricing

Qty Low High
1+ $1.04 $1.04
10+ $0.65 $0.65
100+ $0.42 $0.42
500+ $0.33 $0.33
1,000+ $0.28 $0.28
2,500+ $0.26 $0.26
5,000+ $0.25 $0.25
10,000+ $0.20 $0.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

SM4T10CAY Features

  • Bidirectional Zener TVS diode.
  • 8.5V reverse standoff voltage.
  • 19.5V clamping voltage at 124A.
  • 400W peak pulse power capability.
  • Surface-mount DO-214AC (SMA) package.

SM4T10CAY Applications

  • Automotive transient voltage protection.
  • Protects sensitive electronics from surges.
  • Suitable for 8.5V signal lines.
  • Used in automotive control modules.

SM4T10CAY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM4T10CAY?

8.5V.

What is the clamping voltage?

19.5V at 124A (8/20µs waveform).

What is the peak pulse current rating?

124A (8/20µs waveform).

What is the package type?

DO-214AC (SMA).

Is the SM4T10CAY unidirectional or bidirectional?

Bidirectional.

What is the peak pulse power rating?

400W.

What is the operating temperature range?

-55°C to 150°C.

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