SMA4F100AY The STMicroelectronics SMA4F100AY is a TVS Diode designed for automotive applications. It offers a 100V standoff voltage and 162V clamping voltage.
Mfr Part #:

SMA4F100AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics SMA4F100AY is a TVS Diode designed for automotive applications. It offers a 100V standoff voltage and 162V clamping voltage.
Total Stock: 10,000 pcs
$ Price Range: $0.99

SMA4F100AY 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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10,000 pcs
10000 pcs On Request 1 On Request On Request On Request On Request On Request

SMA4F100AY Specifications Quick View

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

SMA4F100AY Description

Short technical summary and product information.

The STMicroelectronics SMA4F100AY is a Zener type TVS Diode with a standoff voltage of 100V and a clamping voltage of 162V. It is designed for automotive applications and features a peak pulse current rating of 2.5A and a power rating of 400W. This device operates within a temperature range of -55°C to 175°C (TJ).

 

The TVS diode is packaged in a DO-221AC, SMA Flat Leads (SMAflat) package and is designed for surface mount installation. It provides unidirectional protection with a single channel.

 

This component is suitable for applications requiring transient voltage suppression, particularly in automotive environments where robust protection is essential.

SMA4F100AY Quick Information

Product Type: TVS Diode
Canonical Name: STMicroelectronics SMA4F100AY TVS Diode
Subcategory: TVS Diodes

SMA4F100AY Compliance

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

SMA4F100AY Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SMA4F100AY Features

  • 100V standoff voltage rating.
  • 162V clamping voltage.
  • 2.5A peak pulse current.
  • 400W peak pulse power.
  • Automotive qualified.

SMA4F100AY Applications

  • Overvoltage protection for automotive electronics
  • Transient suppression in engine control units
  • Protection for 100V DC power buses
  • Clamping surges on automotive sensor lines
  • ESD protection for automotive communication interfaces

SMA4F100AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the SMA4F100AY?

The standoff voltage is 100V.

What is the clamping voltage for the SMA4F100AY?

The clamping voltage is 162V.

What is the peak pulse current rating?

The peak pulse current is 2.5A.

What is the power rating of this TVS diode?

The power rating is 400W.

What is the operating temperature range?

The operating temperature range is -55°C to 175°C (TJ).

What package type is the SMA4F100AY supplied in?

It is supplied in a DO-221AC, SMA Flat Leads (SMAflat) package.

How is the SMA4F100AY mounted?

It is a surface mount device.

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