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SMA6F70AY SMA6F70AY is a unidirectional TVS diode from STMicroelectronics with 70V stand-off voltage and 113V clamping voltage. It offers 600W peak pulse power (10/1000μs) and is designed for surface mount in SMAflat package.
Mfr Part #:

SMA6F70AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SMA6F70AY is a unidirectional TVS diode from STMicroelectronics with 70V stand-off voltage and 113V clamping voltage. It offers 600W peak pulse power (10/1000μs) and is designed for surface mount in SMAflat package.
✓ Total Stock: 20,000 pcs
$ Price Range: $0.99

SMA6F70AY Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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20,000 pcs
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SMA6F70AY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Current
Lead Style
Mounting Type
Operating Temperature
Power
Power Line Protection
SVHC Present
Supplier Device Package
Type
Unidirectional Channels
Voltage
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SMA6F70AY Description

Short technical summary and product information.

The SMA6F70AY is a unidirectional transient voltage suppression (TVS) diode from STMicroelectronics, designed to protect sensitive electronic circuits from voltage transients. It features a stand-off voltage range of 5 V to 188 V (series), with a typical breakdown voltage of 70 V at 10 mA. The clamping voltage is 113 V maximum at 5.5 A peak pulse current (10/1000 μs).

 

The device provides 600 W peak pulse power under the 10/1000 μs waveform and 4 kW under the 8/20 μs waveform. It offers ESD protection up to 30 kV per IEC 61000-4-2 and meets surge protection requirements for ISO7637-2 pulses. The operating junction temperature range is -55°C to 175°C, with a maximum junction temperature of 175°C.

 

The SMA6F70AY is housed in a DO-221AC (SMA Flat Leads) package, surface mountable with matte tin plating on leads. The package is UL94 V0 rated for flammability. This diode is suitable for automotive, industrial, and consumer applications requiring robust transient protection.

SMA6F70AY Quick Information

Product Type: TVS Diode
Canonical Name: TVS Diode, Unidirectional, 70V Stand-off, 113V Clamping, 600W, Surface Mount, SMAflat
Subcategory: Unidirectional TVS Diode

SMA6F70AY Compliance

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

SMA6F70AY Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SMA6F70AY Features

  • Unidirectional TVS diode for circuit protection.
  • 70V stand-off voltage with 113V clamping.
  • 600W peak pulse power (10/1000μs).
  • ESD protection up to 30kV (IEC 61000-4-2).
  • Surface mount in SMAflat package.

SMA6F70AY Applications

  • Protects sensitive electronics from voltage transients.
  • Suitable for automotive and industrial applications.
  • Ideal for power supply and signal line protection.
  • Compatible with ISO7637-2 surge pulses.

SMA6F70AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the stand-off voltage range for the SMA6F70AY series?

The stand-off voltage range for the SMA6F series is 5 V to 188 V.

What is the breakdown voltage of the SMA6F70AY?

The typical breakdown voltage is 70 V at 10 mA.

What is the clamping voltage of the SMA6F70AY?

The maximum clamping voltage is 113 V at 5.5 A.

What is the peak pulse current rating of the SMA6F70AY?

The maximum peak pulse current is 5.5 A for a 10/1000 μs waveform.

What is the package type of the SMA6F70AY?

The package is DO-221AC (SMA Flat Leads) with surface mount SMAflat.

What is the peak pulse power rating of the SMA6F70AY?

The maximum peak pulse power is 600 W for a 10/1000 μs waveform and 4 kW for an 8/20 μs waveform.

What is the ESD protection level of the SMA6F70AY?

The device provides ESD protection up to 30 kV per IEC 61000-4-2.

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