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Littelfuse Uni-Directional TVS Diode SMAJ26A 400 W, 2-Pin DO-214, 31.9V Breakdown, Surface Mount

Category TVS Diode Brand LITTELFUSE Condition New

Specifications

Country of Origin India
Brand Littelfuse
Height 2.08mm
Length 4.6mm
Model SMAJ26A
Width 2.79mm
Mount Type Surface
Series SMAJ
Maximum Operating Temperature 150°C
Package Type DO-214
Minimum Operating Temperature -65°C
Pin Count 2
Number of Elements per Chip 1
Clamping Voltage VC 42.1V
Diode Configuration Single
Direction Type Uni-Directional
Minimum Breakdown Voltage Vbr 31.9V
Maximum Reverse Stand-off Voltage Vwm 26V
Peak Pulse Power Dissipation Pppm 400W
Test Current It 1mA
Maximum Peak Pulse Current Ippm 9.5A
Maximum Reverse Leakage Current 1μA
Fast response time typically less than 1.0ps from 0 Volts to V(BR) for unidirectional types
High temperature soldering 250 degrees C/10 seconds at terminals
Repetition Rate (duty cycle) 0.01%

Key Features

  • Provides protection against transient voltage spikes in sensitive electronic equipment.
  • Rated for 400 W peak pulse power dissipation and uni-directional voltage suppression.
  • Minimum breakdown voltage of 31.9V and clamping voltage of 42.1V.
  • Surface mount package, DO-214 compliant with a low profile design.
  • Fast response time and excellent clamping capability for reliable circuit protection.
  • Low reverse leakage current and built-in strain relief junction for enhanced performance.
  • Maximum peak pulse current rated at 9.5A with 2-pin configuration.
  • Ideal for industrial, commercial, and automotive electronics that require ESD and lightning protection.

Product Description

The Littelfuse SMAJ26A Uni-Directional Transient Voltage Suppression (TVS) Diode is designed to protect sensitive electronics from voltage transients caused by lightning, ESD, and other surge events. With its 400 W peak pulse power dissipation and uni-directional configuration, this diode ensures reliable protection in demanding industrial, commercial, and automotive applications.

Featuring a minimum breakdown voltage of 31.9V, a clamping voltage of 42.1V, and a surface mount DO-214 package, the SMAJ26A is optimized for board space and circuit integration. Its low profile, built-in strain relief, and glass passivated junction contribute to high durability and performance under stress conditions.

The diode offers a fast response time, typically less than 1.0 picosecond from 0 Volts to V(BR), enabling effective suppression of fast surges and spikes. The device also provides low reverse leakage current and efficient clamping characteristics, ensuring minimal impact on normal circuit operation.

With a maximum peak pulse current of 9.5A, ESD protection, and compliance with standards for sensitive device safeguarding, this Littelfuse TVS Diode is suited for protection applications across electronics, industrial equipment, communications, and automotive systems.

Designed for surface mounted applications, the SMAJ26A series includes halogen-free components, low incremental surge resistance, high temperature soldering support (up to 250°C for 10 seconds at terminals), and duty cycle repetition rated at 0.01%.

This diode is widely used in printed circuit boards, industrial control systems, telecom infrastructure, automotive ECUs, and commercial hardware needing robust transient suppression. The 2-pin DO-214 configuration allows straightforward integration into surface-mount layouts, with dimensions of 4.6 mm length, 2.79 mm width, and 2.08 mm height.

Littelfuse is recognized for quality and durability in circuit protection components. Explore more Littelfuse TVS Diodes and electronics protection products in the EnvMart catalogue for your next design or retrofit project.

Littelfuse Uni-Directional TVS Diode SMAJ26A 400 W, 2-Pin DO-214, 31.9V Breakdown, Surface Mount
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Frequently Asked Questions

The SMAJ26A TVS diode has a peak pulse power dissipation rating of 400 W.

The minimum breakdown voltage of the SMAJ26A is 31.9V.

The clamping voltage for the SMAJ26A is 42.1V.

This model has a maximum peak pulse current rating of 9.5A.

The dimensions of the SMAJ26A are 4.6 mm in length, 2.79 mm in width, and 2.08 mm in height.

The operating temperature range for this diode is from -65°C to 150°C.

The SMAJ26A uses a surface mount package type DO-214.

The maximum reverse leakage current for the SMAJ26A is 1μA.

The response time is typically less than 1.0 picosecond from 0 Volts to V(BR).

The SMAJ26A is a uni-directional TVS diode.

This model is suitable for industrial, commercial, and automotive electronics requiring ESD and lightning protection.

The maximum operating temperature for this diode is 150°C.

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