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SMAJ12A - TVS Diode 400W 12V Uni-Directional Surface Mount SMA-2

Littelfuse, Inc

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SKU:
118-SMAJ12A
MPN:
SMAJ12A
Quantity
Unit Price (ex. GST)
1 - 9
₹ 11.81
10 - 99
₹ 10.63
100 or above
₹ 9.45
SMAJ12A is a unidirectional TVS diode rated for twelve volt with four hundred watt peak pulse power. It is suitable for transient and surge protection in surface mount power circuits. View full description
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Technical Specifications

Brand:
Littelfuse, Inc
Mount:
Surface Mount
Number Of Pins:
2
Number of Terminals:
2
Breakdown Voltage:
14 V
Clamping Voltage:
19.9 V
Composition:
Zener
Direction:
Unidirectional
Element Configuration:
Single
Forward Voltage:
3.5 V
Leakage Current:
1 uA
Max Breakdown Voltage:
14.7 V
Max Junction Temperature (Tj):
150 C
Max Operating Temperature:
150 C
Max Power Dissipation:
3.3 W
Max Reverse Leakage Current:
1 uA
Max Surge Current:
20.1 A
Min Breakdown Voltage:
13.3 V
Min Operating Temperature:
-65 C
Number of Channels:
1
Number of Elements:
1
Number of Unidirectional Channels:
1
Operating Supply Voltage:
12 V
Peak Pulse Current:
20.1 A
Peak Pulse Power:
400 W
Peak Reverse Current:
1 uA
Polarity:
Unidirectional
Power Line Protection:
No
Power Rating:
400 W
Reverse Breakdown Voltage:
13.3 V
Reverse Standoff Voltage:
12 V
Reverse Voltage:
12 V
Termination:
SMD/SMT
Test Current:
1 mA
Voltage Rating (DC):
12 V
Height:
2.29 mm
Length:
4.5 mm
Width:
2.79 mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

Datasheet

Unidirectional TVS Diode for Reliable Transient Protection on 12V Power Lines

SMAJ12A is a unidirectional transient voltage suppressor diode designed to protect sensitive electronic circuits from voltage spikes surge events and electrostatic discharge. It provides fast acting clamping to limit overvoltage conditions and improve long term system reliability in low voltage power applications.

This TVS diode is widely used in power supplies industrial electronics automotive modules and communication equipment where controlled unidirectional transient protection is required. The SMA 2 surface mount package supports high peak pulse power handling with dependable thermal and mechanical performance.

Key Features

  • Unidirectional Transient Protection
    Designed to clamp positive voltage transients for controlled protection
  • High Peak Pulse Power Capability
    Rated for up to four hundred watt peak pulse power
  • Stable Clamping Performance
    Optimised for twelve volt working voltage applications
  • Fast Response Time
    Quickly suppresses ESD and surge events to protect sensitive components
  • Robust Surface Mount Package
    SMA 2 package ensures reliable thermal handling and durability