SMA5J9.0HE3/61

Product Overview

Category

The SMA5J9.0HE3/61 belongs to the category of semiconductor devices, specifically a type of TVS (Transient Voltage Suppressor) diode.

Use

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

Characteristics

• Package: SMA (DO-214AC) package
• Essence: High-power TVS diode with excellent clamping capability
• Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on customer requirements

Specifications

The SMA5J9.0HE3/61 features the following specifications: - Standoff Voltage: 9.0V - Breakdown Voltage: 10V - Peak Pulse Power: 5kW - Operating Temperature Range: -55°C to +150°C - Reverse Standoff Voltage: 7.37V - Maximum Reverse Leakage Current: 1µA

Detailed Pin Configuration

The SMA5J9.0HE3/61 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• High Surge Capability: Capable of handling high surge currents and voltages.
• Fast Response Time: Rapidly responds to transient voltage spikes, providing effective protection to the circuitry.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a low level during transient events.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components
• Fast response time ensures minimal impact on the protected circuit
• Compact size and easy integration into circuit designs

Disadvantages

• Limited to specific voltage and power ratings
• May require additional components for comprehensive overvoltage protection

Working Principles

The SMA5J9.0HE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a voltage transient occurs. This action helps limit the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMA5J9.0HE3/61 is commonly used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage spikes - Industrial Control Systems: Providing surge protection for control and monitoring systems

Detailed and Complete Alternative Models

Some alternative models to the SMA5J9.0HE3/61 include: - SMA6J9.0A: Similar TVS diode with higher peak pulse power rating - SMBJ9.0CA: TVS diode with a different package and lower standoff voltage

In conclusion, the SMA5J9.0HE3/61 is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge capabilities. Its application spans across various industries, ensuring the reliability and longevity of electronic systems.

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