SMAJ9.0AHE3/61

Product Category

The SMAJ9.0AHE3/61 belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressor (TVS) diodes.

Basic Information Overview

• Use: The SMAJ9.0AHE3/61 is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: It exhibits low clamping voltage, fast response time, and high surge capability, making it suitable for a wide range of applications.
• Package: The SMAJ9.0AHE3/61 is typically available in a DO-214AC (SMA) package, which offers excellent thermal performance and mechanical robustness.
• Essence: Its essence lies in providing reliable overvoltage protection to safeguard electronic circuits.
• Packaging/Quantity: It is commonly supplied in tape and reel packaging, with quantities varying based on customer requirements.

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 9.0V
• Operating Voltage: 7.37V
• Maximum Clamping Voltage: 15.6V
• Peak Pulse Current: 19.2A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ9.0AHE3/61 typically features two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage events to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides efficient suppression while limiting the voltage across the protected device.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact form factor
• Wide operating temperature range

Disadvantages

• Limited peak pulse current handling compared to higher power TVS diodes
• Higher clamping voltage compared to some specialized TVS diodes

Working Principles

The SMAJ9.0AHE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown level, diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

The SMAJ9.0AHE3/61 finds extensive use in various applications, including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ9.0AHE3/61 include: - P6SMB9.0A - 1.5KE9.0A - SMBJ9.0A

In conclusion, the SMAJ9.0AHE3/61 serves as a crucial component in protecting electronic systems from voltage transients, offering a balance of performance and reliability in diverse applications.

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