SM6T18AY SM6T18AY is a 600W unidirectional Zener TVS diode from STMicroelectronics with 15.3V reverse standoff voltage and 32.5V clamping voltage.
Mfr Part #:

SM6T18AY

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SM6T18AY is a 600W unidirectional Zener TVS diode from STMicroelectronics with 15.3V reverse standoff voltage and 32.5V clamping voltage.
Total Stock: 31,000 pcs
$ Price Range: $0.37 - $1.66

SM6T18AY Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
30,000 pcs
30000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

SM6T18AY Specifications Quick View

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

SM6T18AY Description

Short technical summary and product information.

The SM6T18AY is a 600W unidirectional Zener TVS diode from STMicroelectronics designed for automotive applications. It features a reverse standoff voltage of 15.3V and a maximum clamping voltage of 32.5V at a peak pulse current of 123A (8/20µs waveform).

 

This device is housed in a surface mount DO-214AA (SMB) package and operates over a temperature range of -55°C to 150°C. It is RoHS3 compliant and has an MSL of 1 (unlimited).

 

The SM6T18AY is suitable for protecting sensitive electronics from voltage transients in automotive environments. Its Zener technology provides reliable clamping performance for single-channel unidirectional protection.

SM6T18AY Quick Information

Product Type: TVS Diode
Series: SM6T
Canonical Name: SM6T18AY TVS Diode
Subcategory: Unidirectional Zener TVS

SM6T18AY Compliance

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

SM6T18AY Estimated Pricing

Qty Low High
1+ $1.66 $1.66
10+ $1.05 $1.05
100+ $0.70 $0.70
500+ $0.55 $0.55
1,000+ $0.50 $0.50
2,500+ $0.47 $0.47
5,000+ $0.41 $0.41
10,000+ $0.38 $0.38
25,000+ $0.37 $0.37

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

SM6T18AY Features

  • 600W peak pulse power rating.
  • 15.3V reverse standoff voltage.
  • 32.5V clamping voltage at 123A.
  • Surface mount SMB package.
  • Automotive application rated.

SM6T18AY Applications

  • Protects automotive electronics from transients.
  • Used in engine control unit circuits.
  • Suitable for sensor input protection.
  • Ideal for power line transient suppression.

SM6T18AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM6T18AY?

The reverse standoff voltage is 15.3V.

What is the clamping voltage of the SM6T18AY?

The maximum clamping voltage is 32.5V.

What is the peak pulse current rating?

The peak pulse current is 123A under 8/20µs test condition.

What is the peak pulse power rating?

The peak pulse power is 600W.

What package does the SM6T18AY come in?

It comes in a surface mount DO-214AA (SMB) package.

Is the SM6T18AY suitable for automotive applications?

Yes, it is rated for automotive applications.

What is the operating temperature range?

The operating temperature range is -55°C to 150°C.

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