SMCJ15A-HR Encyclopedia Entry

Product Overview

The SMCJ15A-HR belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMCJ15A-HR is designed to provide robust protection against transient overvoltage conditions in a variety of applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High reliability, fast response time, low clamping voltage
• Package: SMC (DO-214AB), surface mount
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 15V
• Operating Voltage: 12.8V
• Clamping Voltage: 21.2V
• Peak Pulse Current: 42.6A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ15A-HR typically has two pins for surface mount installation. The pin configuration follows the standard layout for SMC package diodes.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels
• Fast Response Time: Quickly responds to voltage spikes to protect downstream components
• Low Clamping Voltage: Limits the voltage across the protected circuit

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMCJ15A-HR operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMCJ15A-HR is widely used in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMCJ15A-HR include: - SMCJ5.0A-HR - SMCJ10A-HR - SMCJ20A-HR - SMCJ30A-HR - SMCJ40A-HR

These alternative models offer different breakdown voltages and peak pulse power ratings to suit diverse application requirements.

In conclusion, the SMCJ15A-HR transient voltage suppressor diode provides reliable protection against voltage transients in a compact surface mount package. Its fast response time and low clamping voltage make it suitable for a wide range of electronic applications.

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