SMCJ17A Diode: Encyclopedia Entry

Product Overview

The SMCJ17A diode belongs to the category of transient voltage suppressor (TVS) diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ17A diode is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a surface-mount package and is available in various quantities per package.

Basic Information

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: Surface-mount package
• Essence: Protecting sensitive electronic components
• Packaging/Quantity: Available in various quantities per package

Specifications

• Part Number: SMCJ17A
• Voltage Rating: 17V
• Peak Pulse Power: 1500W
• Operating Temperature Range: -55°C to +150°C
• Mounting Type: Surface Mount
• Package / Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMCJ17A diode has a standard surface-mount package with two terminals. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage spikes and transients.
• Fast Response Time: Quickly clamps excessive voltages to protect downstream components.
• High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Clamping voltage may be higher compared to some alternative models
• Sensitive to reverse polarity connection

Working Principles

The SMCJ17A diode works by diverting excess current away from sensitive components when a voltage spike or transient occurs. When the voltage across the diode exceeds its breakdown voltage, it begins to conduct, effectively shunting the excess current to protect the connected circuitry.

Detailed Application Field Plans

The SMCJ17A diode finds applications in various fields, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supply units - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ17A diode include: - P6SMB17A: Similar specifications with a different package type - 1.5SMC17A: Higher surge capability with similar voltage rating - SA17CA: Lower clamping voltage for more sensitive applications

In conclusion, the SMCJ17A diode is a crucial component in protecting electronic circuits from voltage transients and spikes. Its high surge capability and fast response time make it suitable for a wide range of applications across various industries.

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