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Littelfuse 1-Element Uni-Directional TVS Diode Surface Mount DO-214 Package 400W SMAJ51A

Category TVS Diode Brand LITTELFUSE Condition New

Specifications

Country of Origin India
Brand Littelfuse
Height 2.08mm
Length 4.6mm
Model SMAJ51A
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 82.4V
Diode Configuration Single
Direction Type Uni-Directional
Minimum Breakdown Voltage Vbr 56.7V
Maximum Reverse Stand-off Voltage Vwm 51V
Peak Pulse Power Dissipation Pppm 400W
Test Current It 1mA
Maximum Peak Pulse Current Ippm 4.9A
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

  • Uni-directional diode configuration ensures effective surge protection.
  • Surface mount package type DO-214 optimizes board space.
  • Maximum peak pulse current of 4.9A with 51V maximum reverse stand-off voltage.
  • Operating temperature range from -65°C to 150°C for versatile use.
  • Low incremental surge resistance and excellent clamping capability.
  • Fast response time typically less than 1.0 picosecond.
  • Glass passivated junction provides stability and reliability.
  • Halogen free and designed for surface mounted applications.

Product Description

Littelfuse SMAJ51A 1-Element Uni-Directional TVS Diode is engineered for transient voltage suppression to protect sensitive electronic equipment from voltage surges and spikes. It features a robust 400 Watt peak pulse power dissipation capability housed in a low-profile DO-214 surface mount package ensuring efficient board space utilization.

The single-element uni-directional diode configuration provides excellent clamping characteristics with a maximum reverse stand-off voltage of 51V and a clamping voltage of 82.4V. This TVS diode supports a maximum peak pulse current of 4.9 Amperes and operates reliably in temperatures ranging from -65°C to 150°C, making it suitable for various industrial, automotive, and electronic applications.

This diode exhibits a fast response time typically less than 1.0 picosecond from 0 Volts to breakdown voltage ensuring effective transient suppression. The glass passivated junction enhances device stability, while its halogen-free construction supports environmentally friendly manufacturing practices.

Designed specifically for surface mount applications, the SMAJ51A features a low inductance design and built-in strain relief to improve durability and reliability in harsh operating environments. The device also supports electrostatic discharge (ESD) protection, making it ideal for safeguarding power supplies, telecommunications, computing hardware, and industrial control systems.

Uni-directional single-element design for transient voltage suppression. 400W peak pulse power dissipation in compact DO-214 package. Operating temperature range from -65°C to 150°C ensures robust performance. Low leakage current and rapid response time reduce risk of equipment damage.

Halogen free and environmentally conscious construction. Surface mount package optimizes PCB space for dense circuit layouts. Ideal for industrial, automotive, telecommunications, and consumer electronics protection.

Protect your sensitive electronics effectively with Littelfuse SMAJ51A TVS Diode, a reliable component for transient voltage suppression in demanding environments. Explore more semiconductor protection devices and components with full technical details at EnvMart.

Littelfuse 1-Element Uni-Directional TVS Diode Surface Mount DO-214 Package 400W SMAJ51A
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Frequently Asked Questions

The maximum peak pulse power dissipation of the Littelfuse SMAJ51A is 400 Watts.

This model operates reliably within a temperature range from -65°C to 150°C.

The clamping voltage (VC) of this TVS diode is 82.4V.

The response time is typically less than 1.0 picosecond from 0 Volts to breakdown voltage.

The maximum reverse stand-off voltage (Vwm) is 51V.

This diode is designed for surface mounting, utilizing a DO-214 package type.

The maximum peak pulse current for the SMAJ51A is 4.9 Amperes.

The dimensions of this model are 4.6mm in length, 2.79mm in width, and 2.08mm in height.

This diode features a single element configuration.

The minimum breakdown voltage (Vbr) is 56.7V.

The maximum reverse leakage current is 1μA.

Yes, this model is halogen-free, supporting environmentally conscious manufacturing practices.

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