SMAJ11AHE3/5A

Product Overview

Category

The SMAJ11AHE3/5A belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

It is commonly used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Low clamping voltage
• Fast response time
• High surge current capability
• Compact package size

Package

The SMAJ11AHE3/5A is typically available in a surface mount package, such as SMB (DO-214AA), with a lead-free finish.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The SMAJ11AHE3/5A is often supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 11V
• Breakdown Voltage: 12.2V
• Maximum Reverse Leakage Current: 1µA at 10V
• Peak Pulse Power Dissipation: 400W
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ11AHE3/5A typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

• Bi-directional TVS diode
• Low clamping voltage
• Fast response to transient events
• Robust surge protection capabilities

Advantages

• Effective protection against transient voltage events
• Fast response time helps in minimizing potential damage to sensitive components
• Compact form factor suitable for space-constrained applications

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection
• Limited to specific voltage ratings, may not be suitable for all applications

Working Principles

When a transient voltage event occurs, the SMAJ11AHE3/5A conducts excess current away from the protected circuit, limiting the voltage across it to a safe level. This is achieved through the rapid conduction of the TVS diode, which effectively shunts the excess energy to ground.

Detailed Application Field Plans

The SMAJ11AHE3/5A finds extensive use in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE11CA
  • Standoff Voltage: 11V
  • Breakdown Voltage: 12.4V
  • Package: DO-15
  • Characteristics: Axial leaded TVS diode
• Alternative Model 2: SMCJ11A
  • Standoff Voltage: 11V
  • Breakdown Voltage: 12.1V
  • Package: SMC (DO-214AB)
  • Characteristics: Surface mount TVS diode with higher power dissipation

In conclusion, the SMAJ11AHE3/5A serves as a crucial component in protecting electronic circuits from transient voltage events, offering fast and effective surge protection in a compact package. Its application spans across diverse industries, ensuring the integrity and reliability of electronic systems.

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