TPSMA12AHE3_A/H

Product Overview

The TPSMA12AHE3A/H belongs to the category of semiconductor devices and is specifically designed for transient voltage suppression. It is commonly used to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. The device exhibits characteristics such as high surge capability, low clamping voltage, and fast response time. It is typically packaged in a small, surface-mount package, making it suitable for compact electronic designs. The essence of the TPSMA12AHE3A/H lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage. The device is usually available in tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 12V
• Clamping Voltage: 19.9V at 1A
• Operating Temperature Range: -55°C to 150°C
• Package Type: SMA

Detailed Pin Configuration

The TPSMA12AHE3_A/H features a standard SMA package with two pins. Pin 1 is the cathode, while pin 2 serves as the anode.

Functional Features

• Transient Voltage Suppression: Effectively suppresses voltage transients to protect downstream components.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to connected devices.
• High Surge Capability: Capable of handling high surge currents, ensuring robust protection.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact surface-mount package

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The TPSMA12AHE3_A/H operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the device rapidly switches into a low impedance state, diverting excess current away from sensitive components. This action effectively clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The TPSMA12AHE3_A/H finds extensive application in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• TPSMA6.0A: Breakdown Voltage: 6V, Peak Pulse Power: 400W
• TPSMA15A: Breakdown Voltage: 15V, Peak Pulse Power: 400W
• TPSMA24A: Breakdown Voltage: 24V, Peak Pulse Power: 400W
• TPSMA36A: Breakdown Voltage: 36V, Peak Pulse Power: 400W

In conclusion, the TPSMA12AHE3_A/H serves as a crucial component in protecting electronic systems from voltage transients. Its compact design, high surge capability, and fast response time make it a valuable asset in various applications, despite its limitations within specific voltage ranges.

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