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SM15T22CAY SM15T22CAY is a 1500W bidirectional Zener TVS diode from STMicroelectronics. It features 18.8V reverse standoff voltage, 22V breakdown voltage, and 39.3V clamping voltage in an SMC surface-mount package.
Mfr Part #:

SM15T22CAY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SM15T22CAY is a 1500W bidirectional Zener TVS diode from STMicroelectronics. It features 18.8V reverse standoff voltage, 22V breakdown voltage, and 39.3V clamping voltage in an SMC surface-mount package.
✓ Total Stock: 12,500 pcs
$ Price Range: $0.40 - $1.14

SM15T22CAY Available from 1 distributor

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✓ Non-Authorised
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12,500 pcs
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SM15T22CAY 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
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Voltage
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SM15T22CAY Description

Short technical summary and product information.

The SM15T22CAY is a 1500W bidirectional Zener TVS diode from STMicroelectronics designed for automotive applications. It provides protection against transient overvoltage events with a reverse standoff voltage of 18.8V, a typical breakdown voltage of 22V, and a maximum clamping voltage of 39.3V. The peak pulse current rating is 254A under 8/20µs test conditions.

 

This device is housed in a DO-214AB (SMC) surface-mount package, suitable for automated assembly. It operates over a junction temperature range of -40°C to 150°C. The diode is not intended for power line protection.

 

With its automotive qualification, the SM15T22CAY is suitable for use in vehicle electronics, industrial control systems, and other applications requiring robust surge protection. Compliance data indicates RoHS3 and REACH unaffected status, though these are unverified.

SM15T22CAY Quick Information

Product Type: TVS Diode
Series: SM15TY
Canonical Name: SM15T22CAY TVS Diode
Subcategory: Zener TVS Diode

SM15T22CAY Compliance

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

SM15T22CAY Estimated Pricing

Qty Low High
1+ $1.14 $1.14
10+ $0.92 $0.92
100+ $0.72 $0.72
500+ $0.58 $0.58
1,000+ $0.51 $0.51
2,500+ $0.45 $0.45
5,000+ $0.42 $0.42
10,000+ $0.40 $0.40
25,000+ $0.40 $0.40

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

SM15T22CAY Features

  • 1500W peak pulse power dissipation.
  • 18.8V reverse standoff voltage.
  • 39.3V maximum clamping voltage.
  • Surface-mount SMC package.
  • Automotive application rated.

SM15T22CAY Applications

  • Used in automotive electronics protection.
  • Ideal for transient voltage suppression.
  • Suitable for board-level protection circuits.

SM15T22CAY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM15T22CAY?

The reverse standoff voltage is 18.8V.

What is the breakdown voltage?

The breakdown voltage is typically 22V.

What is the maximum clamping voltage?

The maximum clamping voltage is 39.3V.

What is the peak pulse current rating?

The peak pulse current is 254A at 8/20µs.

What package is the SM15T22CAY available in?

It is available in DO-214AB (SMC) surface-mount package.

What is the peak pulse power rating?

The peak pulse power is 1500W.

What is the operating temperature range?

The operating temperature range is -40°C to 150°C (junction).

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