1.5SMC120CAHE3/9AT

Product Category

The 1.5SMC120CAHE3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Basic Information Overview

• Use: The 1.5SMC120CAHE3/9AT is used for surge protection in electronic circuits, providing transient voltage suppression.
• Characteristics: It offers high surge capability, low clamping voltage, and fast response time.
• Package: The diode is typically available in a DO-214AB (SMC) package.
• Essence: Its essence lies in protecting sensitive electronic components from voltage transients.
• Packaging/Quantity: The diodes are usually packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 102V
• Breakdown Voltage: 113V
• Clamping Voltage: 146V
• Maximum Reverse Leakage Current: 1µA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC120CAHE3/9AT typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage, protecting downstream components.
• Fast Response Time: Rapid reaction to voltage transients, minimizing potential damage.
• High Surge Capability: Capable of withstanding large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronics.
• Fast response time ensures minimal impact on circuit operation.
• High surge capability provides robust protection in demanding environments.

Disadvantages

• Clamping voltage may be higher than some alternative models.
• Physical size may not be suitable for space-constrained applications.

Working Principles

When a transient voltage spike occurs, the diode conducts and clamps the voltage to a safe level, diverting excess current away from the protected circuitry. This rapid response protects against voltage surges that could otherwise damage sensitive components.

Detailed Application Field Plans

The 1.5SMC120CAHE3/9AT is commonly used in various applications including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models to consider include: - SMAJ120A - P6KE120A - SMBJ120A - SMCJ120A

In conclusion, the 1.5SMC120CAHE3/9AT TVS diode offers effective surge protection with its high surge capability and fast response time. While it has advantages such as robust protection and rapid reaction to transients, potential disadvantages include a relatively high clamping voltage and physical size constraints in certain applications.

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