SMCJ45A R7G

Product Overview

Category

The SMCJ45A R7G belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressor (TVS) diodes.

Use

It is primarily used for surge protection in electronic circuits and systems, safeguarding against voltage transients and spikes.

Characteristics

• Fast response time
• High surge capability
• Low clamping voltage
• RoHS compliant

Package

The SMCJ45A R7G is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ45A R7G lies in its ability to efficiently divert excessive current away from sensitive components during voltage surges, thereby protecting them from damage.

Packaging/Quantity

These diodes are commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage: 45V
• Operating Voltage: 38.9V
• Maximum Clamping Voltage: 62.2V
• Leakage Current: 1µA
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ45A R7G features a standard SMC package with two pins, one anode, and one cathode.

Functional Features

• Bidirectional TVS diode
• Low incremental surge resistance
• High temperature stability
• ESD protection

Advantages

• Rapid response to transient events
• Robust surge protection capabilities
• Wide operating temperature range
• Compact form factor

Disadvantages

• Limited to lower voltage applications
• May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

When a voltage surge occurs, the SMCJ45A R7G rapidly conducts excess current away from the protected circuit, limiting the voltage across it to a safe level.

Detailed Application Field Plans

The SMCJ45A R7G finds extensive use in various applications, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• P6KE45CA: Similar TVS diode with a peak power dissipation of 600W
• 1.5SMC45CA: Higher power TVS diode with a peak power dissipation of 1500W
• SMCJ45CA: Comparable TVS diode with a peak power dissipation of 1500W

In conclusion, the SMCJ45A R7G serves as a crucial component in protecting electronic systems from voltage transients and surges, offering fast response times and high surge capabilities. While it has limitations in higher voltage applications, its compact size and robust performance make it a valuable asset in various industries.

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