SMA6F85A The STMicroelectronics SMA6F85A is a unidirectional TVS diode designed for transient surge protection. It features a 600W peak pulse power rating and a surface mountable SMAflat package.
Mfr Part #:

SMA6F85A

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Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics SMA6F85A is a unidirectional TVS diode designed for transient surge protection. It features a 600W peak pulse power rating and a surface mountable SMAflat package.
✓ Total Stock: 10,000 pcs
$ Price Range: $0.55

SMA6F85A Available from 1 distributor

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SMA6F85A 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
Storage Temperature
Supplier Device Package
Type
Unidirectional Channels
Voltage

SMA6F85A Description

Short technical summary and product information.

The STMicroelectronics SMA6F85A is a unidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic circuits from transient surges. It offers a peak pulse power dissipation of 600 W (10/1000 µs) and a 4 kW rating for 8/20 µs pulses.

 

This TVS diode series features a stand-off voltage range from 5 V to 188 V, with the SMA6F85A model having a nominal stand-off voltage of 85 V. The breakdown voltage is typically 9.4 V at 10/1000 µs, with a maximum clamping voltage of 14.4 V at a peak pulse current of 1 A. Low leakage current is maintained at 0.2 μA at 25 °C and 1 μA at 85 °C.

 

Designed with planar technology, the SMA6F series is suitable for high-end circuits requiring low leakage and high junction temperature reliability. The operating junction temperature range is -55 °C to 175 °C. The device complies with IEC 61000-4-2 standards, exceeding level 4 for ESD protection with contact discharge up to 25 kV and air discharge up to 30 kV.

 

The SMA6F85A is housed in a DO-221AC, SMA Flat Leads package, suitable for surface mounting. Lead finishing is matte tin plating. It is compliant with UL94 V0, J-STD-020 MSL level 1, and other relevant industry standards, ensuring long-term reliability and stability in demanding applications.

SMA6F85A Quick Information

Product Type: TVS Diode
Series: SMA6F
Canonical Name: SMA6F85A Unidirectional TVS Diode
Subcategory: TVS - Diodes

SMA6F85A Compliance

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

SMA6F85A Estimated Pricing

Qty Low High
1+ $0.55 $0.55

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

SMA6F85A Features

  • 600W peak pulse power rating.
  • 85V nominal stand-off voltage.
  • Low leakage current at 25°C.
  • Surface mountable SMAflat package.
  • High junction temperature capability.

SMA6F85A Applications

  • Protects sensitive electronic circuits.
  • Suitable for high-end circuit applications.
  • Provides ESD protection up to 30kV.
  • Ensures long-term reliability and stability.

SMA6F85A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the stand-off voltage of the SMA6F85A?

The stand-off voltage is 85V.

What is the breakdown voltage of the SMA6F85A?

The typical breakdown voltage is 9.4V, with a maximum of 10.4V at 10/1000μs.

What is the clamping voltage of the SMA6F85A?

The clamping voltage is typically 14.4V and maximum 19.5V at a peak pulse current of 1A (10/1000μs).

What is the peak pulse current rating?

The maximum peak pulse current is 1A for a 10/1000μs waveform.

What package does the SMA6F85A come in?

It is packaged in a DO-221AC (SMA flat leads) surface-mount package.

What is the peak pulse power dissipation?

The device can dissipate 600W for a 10/1000μs waveform and 4kW for an 8/20μs waveform.

What is the operating temperature range?

The operating junction temperature range is -55°C to 175°C.

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