SMDJ45CA-HR

Product Overview

The SMDJ45CA-HR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMDJ45CA-HR is characterized by its high reliability, fast response time, and compact package. It is typically available in tape and reel packaging with a specified quantity per reel.

Specifications

• Voltage Rating: 45V
• Peak Pulse Power: 3000W
• Package Type: SMD (Surface Mount Device)
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMDJ45CA-HR features a standard SMD package with two pins for surface mounting onto a printed circuit board. The pin configuration is designed to ensure easy integration into various electronic circuits.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides effective protection without compromising the normal operation of the circuit.

Advantages and Disadvantages

Advantages

• High reliability and durability
• Fast response time
• Compact size for space-constrained applications

Disadvantages

• Limited voltage rating compared to some other models
• Unidirectional protection only

Working Principles

The SMDJ45CA-HR operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the sensitive components. This action effectively limits the voltage across the protected circuit.

Detailed Application Field Plans

The SMDJ45CA-HR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or bidirectional protection, alternative models such as the SMDJ series (e.g., SMDJ24A, SMDJ36CA) can be considered. These models offer a range of voltage ratings and characteristics to suit diverse application requirements.

In conclusion, the SMDJ45CA-HR transient voltage suppressor diode offers reliable and fast-acting protection against voltage transients in a compact SMD package. Its specifications, functional features, and application versatility make it a valuable component in safeguarding sensitive electronic circuits.

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