SM15T68CAY SM15T68CAY is a 1500W bidirectional Zener TVS diode from STMicroelectronics, with 58.1V reverse standoff voltage and 121V clamping voltage, in a surface-mount SMC package.
Mfr Part #:

SM15T68CAY

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SM15T68CAY is a 1500W bidirectional Zener TVS diode from STMicroelectronics, with 58.1V reverse standoff voltage and 121V clamping voltage, in a surface-mount SMC package.
Total Stock: 60,000 pcs
$ Price Range: $0.40 - $1.27

SM15T68CAY Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
55,000 pcs
55000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
5,000 pcs
5000 pcs On Request 1 On Request On Request On Request On Request On Request

SM15T68CAY 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
Reverse Standoff Voltage
Supplier Device Package
Tape & Reel
Type
Voltage

SM15T68CAY Description

Short technical summary and product information.

The SM15T68CAY is a 1500W automotive Zener TVS diode designed for transient voltage protection in automotive applications. It features a reverse standoff voltage of 58.1V and a clamping voltage of 121V, capable of handling peak pulse currents up to 83A (8/20µs waveform). The device is bidirectional, making it suitable for protecting both positive and negative voltage transients. It is housed in a DO-214AB (SMC) surface-mount package and operates over a wide temperature range of -40°C to 150°C. The SM15T68CAY is RoHS3 compliant and has an MSL rating of 1 (unlimited). It is specifically characterized for automotive applications, meeting stringent reliability requirements.

SM15T68CAY Quick Information

Product Type: TVS - Diodes
Series: SM15TY
Canonical Name: SM15T68CAY Automotive TVS Diode
Subcategory: Automotive TVS Diode

SM15T68CAY Compliance

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

SM15T68CAY Estimated Pricing

Qty Low High
1+ $1.27 $1.27
10+ $0.97 $0.97
100+ $0.71 $0.71
500+ $0.57 $0.57
1,000+ $0.51 $0.51
2,500+ $0.46 $0.46
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.

SM15T68CAY Features

  • Bidirectional Zener TVS diode for automotive use.
  • 1500W peak pulse power dissipation capability.
  • 58.1V reverse standoff and 121V clamping voltage.
  • Surface-mount SMC (DO-214AB) package.
  • Wide operating temperature range -40°C to 150°C.

SM15T68CAY Applications

  • Automotive electronic control unit (ECU) protection.
  • Transient surge suppression in 48V vehicle systems.
  • Protection for sensors and actuators in vehicles.
  • Ideal for battery management and power distribution.

SM15T68CAY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM15T68CAY?

The reverse standoff voltage is 58.1V.

What is the clamping voltage of the SM15T68CAY?

The clamping voltage is 121V.

What is the peak pulse current rating?

The peak pulse current is 83A (8/20µs waveform).

What package is the SM15T68CAY available in?

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

Is the SM15T68CAY bidirectional?

Yes, it has 1 bidirectional channel.

What is the operating temperature range?

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

Is this TVS diode suitable for automotive applications?

Yes, it is specifically characterized for automotive applications.

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