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Vishay TVS Diode Bi-Directional/Uni-Directional 400W, 33V, DO-214, 2-Pin, TRANSZORB, SMAJ33CAHE3_A/H

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Vishay TVS Diode Bi-Directional/Uni-Directional 400W, 33V, DO-214, 2-Pin, TRANSZORB, SMAJ33CAHE3_A/H

Name: Vishay TVS Diode Bi-Directional/Uni-Directional 400W, 33V, DO-214, 2-Pin, TRANSZORB, SMAJ33CAHE3_A/H
Brand: Vishay
SKU: 89811

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Category TVS Diode Brand Vishay Condition New

Specifications

Country of Origin	China
Brand	Vishay
Height	2.29mm
Length	4.5mm
Model	SMAJ33CAHE3_A/H
Width	2.79mm
Mount Type	Surface
Series	TRANSZORB TVS
Maximum Operating Temperature	150°C
Package Type	DO-214
Minimum Operating Temperature	-55°C
Pin Count	2
Number of Elements per Chip	1
Clamping Voltage VC	53.3V
Automotive Standard	AEC-Q101
Diode Configuration	Single
Direction Type	Bi-Directional, Uni-Directional
Minimum Breakdown Voltage Vbr	36.7V
Maximum Reverse Stand-off Voltage Vwm	33V
Peak Pulse Power Dissipation Pppm	400W
Test Current It	1mA
Maximum Peak Pulse Current Ippm	7.5A
Maximum Reverse Leakage Current	1μA
Repetitive rate (duty-cycle)	0.01 %

Key Features

Features a bi-directional and uni-directional design for flexible circuit protection.
Peak pulse power of 400 W for safeguarding sensitive electronics.
Configured in a 2-pin DO-214 package for convenient mounting.
Handles a maximum reverse stand-off voltage of 33 V and a breakdown voltage of 36.7 V.
Low clamping voltage of 53.3 V ensures device safety and fast response time.
Automotive AEC-Q101 qualified for high-reliability applications.
Maximum operating temperature up to 150°C for harsh-environment use.
Compact design with height 2.29 mm, width 2.79 mm, length 4.5 mm.

Product Description

Vishay SMAJ33CAHE3_A/H TVS Diode is a compact and reliable surface-mount device tailored for efficient protection of sensitive electronics against damaging voltage transients. Designed using advanced TRANSZORB TVS technology, this single-element diode offers both bi-directional and uni-directional functionality, enabling robust defense in a variety of industrial, automotive, telecommunication, and consumer products.

The diode supports a peak pulse power dissipation of 400 W and integrates seamlessly into surface-mount layouts with its standard DO-214 package and 2-pin configuration. It excels in rapid clamping, with a low clamping voltage of 53.3 V and ESD protection capabilities, making it ideal for critical circuits exposed to inductive switching surges or lightning events. The minimum reverse stand-off voltage is rated at 33 V, with a minimum breakdown voltage of 36.7 V, ensuring accurate and reliable suppression of overvoltages in signal and power lines.

Bi-directional and uni-directional TVS diode ensures maximum versatility in circuit protection strategies. 400 W peak pulse power dissipation for demanding applications. Surface-mount DO-214 package for automated assembly and space savings.

Maximum operating temperature of 150°C allows for robust operation in automotive and industrial environments. Very low maximum reverse leakage current of 1μA ensures energy efficiency and low standby power. Compliant with AEC-Q101 automotive reliability standards, suitable for automotive and transport industries.

Ultra-fast response time and low incremental surge resistance enhance protection performance. Dimensions of 4.5 x 2.79 x 2.29 mm allow integration in densely populated PCBs.

Typical use cases include transient suppression on MOSFET gates, signal lines of sensor units, and as a secondary protection device in consumer electronics, industrial controllers, and telecommunications equipment. The Vishay SMAJ33CAHE3_A/H is particularly effective in safeguarding critical components against voltage spikes induced by inductive load switching and electrostatic discharge.

This TVS Diode’s robust construction and compliance with stringent quality standards make it an excellent choice for designers demanding reliable, long-term circuit protection in challenging environmental conditions.

Explore more circuit protection and semiconductor solutions in the Vishay electronics range on EnvMart.

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Frequently Asked Questions

This model has a peak pulse power dissipation of 400 W, making it suitable for demanding applications.

This unit measures 4.5 mm in length, 2.79 mm in width, and 2.29 mm in height.

It is designed for surface mounting, which facilitates automated assembly and space savings on PCBs.

The minimum breakdown voltage is 36.7 V, providing effective suppression of overvoltages.

This diode features a 2-pin configuration, suitable for various circuit designs.

The clamping voltage is 53.3 V, which ensures device safety during voltage transients.

Yes, it is compliant with AEC-Q101 automotive reliability standards, making it suitable for automotive applications.

The minimum operating temperature is -55°C, allowing it to perform in low-temperature environments.

It is designed to protect sensitive electronics against damaging voltage transients, including those from inductive load switching and electrostatic discharge.