SM15T12AY The SM15T12AY is a 1500W unidirectional TVS diode from STMicroelectronics with a 10.2V reverse standoff voltage and 21.7V clamping voltage. It is designed for surface mount applications in the DO-214AB (SMC) package.
Mfr Part #:

SM15T12AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SM15T12AY is a 1500W unidirectional TVS diode from STMicroelectronics with a 10.2V reverse standoff voltage and 21.7V clamping voltage. It is designed for surface mount applications in the DO-214AB (SMC) package.
Total Stock: 12,500 pcs
$ Price Range: $0.38 - $1.05

SM15T12AY Available from 1 distributor

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SM15T12AY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Reverse Standoff Voltage
Supplier Device Package
Tape & Reel
Technology
Type
Unidirectional Channels
Voltage

SM15T12AY Description

Short technical summary and product information.

The SM15T12AY is a 1500W unidirectional transient voltage suppression (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive electronic circuits from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

 

This device features a reverse standoff voltage of 10.2 V and a clamping voltage of 21.7 V. It can handle a peak pulse current of 461 A under an 8/20 µs waveform. The TVS diode utilizes Zener technology for precise voltage clamping and is rated for automotive applications.

 

The SM15T12AY is housed in a surface-mount DO-214AB (SMC) package, suitable for automated assembly processes. It operates over a junction temperature range of -40°C to 150°C. The part is RoHS3 compliant and has an MSL of 1 (Unlimited).

SM15T12AY Quick Information

Product Type: TVS Diode
Canonical Name: STMicroelectronics SM15T12AY TVS Diode
Subcategory: Unidirectional TVS Diode

SM15T12AY Compliance

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

SM15T12AY Estimated Pricing

Qty Low High
1+ $1.05 $1.05
10+ $0.85 $0.85
100+ $0.66 $0.66
500+ $0.54 $0.54
1,000+ $0.47 $0.47
2,500+ $0.42 $0.42
5,000+ $0.40 $0.40
10,000+ $0.38 $0.38
25,000+ $0.38 $0.38

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

SM15T12AY Features

  • 1500W peak pulse power dissipation.
  • 10.2V reverse standoff voltage rating.
  • 21.7V clamping voltage capability.
  • 461A peak pulse current handling.
  • Surface mount SMC package design.

SM15T12AY Applications

  • Used in automotive electronic protection circuits.
  • Ideal for transient voltage suppression applications.
  • Suitable for surface mount PCB assembly.

SM15T12AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM15T12AY?

The reverse standoff voltage is 10.2 V.

What is the clamping voltage of the SM15T12AY?

The clamping voltage is 21.7 V.

What is the peak pulse current rating of the SM15T12AY?

The peak pulse current is 461 A under an 8/20 µs test condition.

What package does the SM15T12AY come in?

The SM15T12AY is available in a DO-214AB (SMC) surface mount package.

What is the peak pulse power rating of the SM15T12AY?

The peak pulse power rating is 1500 W.

Is the SM15T12AY suitable for automotive applications?

Yes, the SM15T12AY is rated for automotive applications.

What is the operating temperature range for the SM15T12AY?

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

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