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SM6T39A The SM6T39A is a 600W unidirectional TVS diode from STMicroelectronics with a 33.3V reverse standoff voltage and 69.7V clamping voltage. It is housed in a surface-mount DO-214AA (SMB) package.
Mfr Part #:

SM6T39A

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SM6T39A is a 600W unidirectional TVS diode from STMicroelectronics with a 33.3V reverse standoff voltage and 69.7V clamping voltage. It is housed in a surface-mount DO-214AA (SMB) package.
✓ Total Stock: 2,208,520 pcs
$ Price Range: $0.17 - $0.88

SM6T39A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
1,887,500 pcs
On Request
1887500 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
321,020 pcs
On Request
321020 pcs On Request 1 On Request On Request On Request On Request On Request
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SM6T39A 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
Supplier Device Package
Tape & Reel
Technology
Type
Unidirectional Channels
Voltage
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SM6T39A Description

Short technical summary and product information.

The SM6T39A is a unidirectional Zener TVS diode from STMicroelectronics designed for general-purpose transient voltage suppression. It features a reverse standoff voltage of 33.3V and a clamping voltage of 69.7V, providing protection against voltage spikes.

 

With a peak pulse power rating of 600W and a peak pulse current of 57A (8/20µs), this device is suitable for protecting sensitive electronics from overvoltage transients. The unidirectional polarity makes it ideal for DC line protection applications.

 

The SM6T39A is offered in a surface-mount DO-214AA (SMB) package, enabling compact PCB designs. It operates over a wide temperature range of -55°C to 150°C, ensuring reliability in harsh environments.

SM6T39A Quick Information

Product Type: TVS Diode
Series: SM6T
Canonical Name: SM6T39A STMicroelectronics TVS Diode, Unidirectional, 600W, DO-214AA (SMB)
Subcategory: Unidirectional

SM6T39A Compliance

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

SM6T39A Estimated Pricing

Qty Low High
1+ $0.88 $0.88
10+ $0.55 $0.55
100+ $0.35 $0.35
500+ $0.27 $0.27
1,000+ $0.24 $0.24
2,500+ $0.21 $0.21
5,000+ $0.18 $0.18
10,000+ $0.18 $0.18
25,000+ $0.17 $0.17

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

SM6T39A Features

  • Unidirectional Zener TVS diode for DC line protection.
  • 33.3V reverse standoff voltage with 69.7V clamping.
  • 600W peak pulse power handling capability.
  • 57A peak pulse current rating (8/20µs waveform).
  • Surface-mount DO-214AA (SMB) package.

SM6T39A Applications

  • Protects sensitive electronics from voltage transients.
  • Suitable for general-purpose DC line protection.
  • Ideal for use in industrial control systems.
  • Used in telecommunications and networking equipment.

SM6T39A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM6T39A?

The reverse standoff voltage (VRWM) is 33.3V.

What is the clamping voltage of the SM6T39A?

The clamping voltage (VC) is 69.7V.

What is the peak pulse power rating of the SM6T39A?

The peak pulse power (Pppm) is 600W.

What is the peak pulse current rating of the SM6T39A?

The peak pulse current (IPP) is 57A under an 8/20µs waveform.

What package does the SM6T39A come in?

The SM6T39A is housed in a DO-214AA (SMB) surface-mount package.

Is the SM6T39A unidirectional or bidirectional?

The SM6T39A is a unidirectional TVS diode.

What is the operating temperature range of the SM6T39A?

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

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