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SA12 SA12 is a 500W unidirectional TVS diode from Littelfuse with 12V reverse standoff voltage and 20.9V maximum clamping voltage, housed in a through-hole DO-204AC (DO-15) package.
Mfr Part #:

SA12

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
SA12 is a 500W unidirectional TVS diode from Littelfuse with 12V reverse standoff voltage and 20.9V maximum clamping voltage, housed in a through-hole DO-204AC (DO-15) package.
✓ Total Stock: 33 pcs

SA12 Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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33 pcs
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33 pcs On Request 1 On Request On Request On Request On Request On Request
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SA12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Halogen Free
Lead Style
Mounting Type
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Type
Unidirectional Channels
Voltage
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SA12 Description

Short technical summary and product information.

The SA12 from Littelfuse is a 500W unidirectional TVS diode designed to protect sensitive electronics from voltage transients. It features a reverse standoff voltage of 12V and a maximum clamping voltage of 20.9V, with a peak pulse current rating of 25.6A under a 10/1000μs waveform.

 

This device is suitable for general-purpose applications and is mounted using through-hole technology in a DO-204AC (DO-15) axial leaded package. It operates over a junction temperature range of -55°C to 175°C and is RoHS compliant and halogen free as per the manufacturer.

 

The SA series provides fast response time typically less than 1.0ps from 0V to breakdown voltage, making it ideal for protecting I/O interfaces, VCC buses, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics.

SA12 Quick Information

Product Type: TVS Diode
Series: SA
Canonical Name: SA12 TVS Diode
Subcategory: Axial Leaded TVS

SA12 Compliance

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

SA12 Features

  • 500W peak pulse power dissipation.
  • 12V reverse standoff voltage rating.
  • 20.9V maximum clamping voltage.
  • Fast response time under 1.0ps.
  • Through-hole DO-204AC package.

SA12 Applications

  • Protects I/O interfaces from voltage transients.
  • Safeguards VCC bus lines in electronics.
  • Used in telecom and computer equipment.
  • Ideal for industrial control systems.

SA12 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SA12?

The reverse standoff voltage is 12V.

What is the maximum clamping voltage of the SA12?

The maximum clamping voltage is 20.9V.

What is the peak pulse current rating of the SA12?

The maximum peak pulse current is 25.6A under a 10/1000μs waveform.

What package does the SA12 come in?

The SA12 is available in a DO-204AC (DO-15) axial leaded package.

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