SM6T39AY The SM6T39AY is a 600W unidirectional TVS diode from STMicroelectronics with a 33.3V standoff voltage and 69.7V clamping voltage. It is designed for automotive applications and comes in a surface-mount SMB (DO-214AA) package.
Mfr Part #:

SM6T39AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SM6T39AY is a 600W unidirectional TVS diode from STMicroelectronics with a 33.3V standoff voltage and 69.7V clamping voltage. It is designed for automotive applications and comes in a surface-mount SMB (DO-214AA) package.
Total Stock: 32,500 pcs
$ Price Range: $0.37 - $1.64

SM6T39AY Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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32,500 pcs
32500 pcs On Request 1 On Request On Request On Request On Request On Request

SM6T39AY Specifications Quick View

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

SM6T39AY Description

Short technical summary and product information.

The SM6T39AY is a unidirectional TVS diode from STMicroelectronics designed for automotive applications. It features a reverse standoff voltage of 33.3V, a clamping voltage of 69.7V, and can handle peak pulse currents up to 57A (8/20µs). The device is rated for 600W peak pulse power. It is housed in a surface-mount DO-214AA (SMB) package and operates over a temperature range of -55°C to 150°C. The component is listed as RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited).

SM6T39AY Quick Information

Product Type: TVS Diode
Series: SM6T
Canonical Name: SM6T39AY TVS Diode, 33.3V Standoff, 69.7V Clamping, 600W, SMB
Subcategory: Unidirectional TVS

SM6T39AY Compliance

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

SM6T39AY Estimated Pricing

Qty Low High
1+ $1.64 $1.64
10+ $1.04 $1.04
100+ $0.68 $0.68
500+ $0.54 $0.54
1,000+ $0.49 $0.49
2,500+ $0.40 $0.40
5,000+ $0.39 $0.39
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.

SM6T39AY Features

  • Unidirectional Zener TVS diode, 600W rating.
  • 33.3V reverse standoff voltage.
  • 69.7V clamping voltage @ 57A peak pulse.
  • Surface-mount SMB (DO-214AA) package.
  • Automotive-qualified for harsh environments.

SM6T39AY Applications

  • Protect automotive ECUs from voltage transients.
  • Ideal for 24V automotive power lines.
  • Used in industrial control systems protection.
  • Safeguard sensitive ICs from ESD and surges.

SM6T39AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM6T39AY?

33.3V.

What is the clamping voltage of the SM6T39AY?

69.7V at 57A peak pulse current (8/20µs).

What is the peak pulse current rating?

57A for an 8/20µs waveform.

What package does the SM6T39AY come in?

Surface-mount DO-214AA (SMB).

What is the peak pulse power rating?

600W.

What is the operating temperature range?

-55°C to 150°C.

What applications is the SM6T39AY designed for?

Automotive applications.

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