TPSMD70A

Introduction

The TPSMD70A is a transient voltage suppressor diode belonging to the category of semiconductor devices. It is commonly used for surge protection in electronic circuits, offering characteristics such as high surge capability, low clamping voltage, and fast response time. The TPSMD70A is typically packaged in a small, surface-mount package and is available in various quantities per reel.

Specifications

• Voltage Rating: 70V
• Peak Pulse Power: 400W
• Package Type: SOD-123FL
• Quantity per Reel: 3000 units

Detailed Pin Configuration

The TPSMD70A features a standard SOD-123FL package with two pins. Pin 1 is the anode, while pin 2 is the cathode.

Functional Features

• High Surge Capability: The TPSMD70A can withstand high surge currents, making it suitable for protecting sensitive electronic components.
• Low Clamping Voltage: It provides effective clamping of transient voltages to a low level, safeguarding downstream components.
• Fast Response Time: The diode responds quickly to transient voltage spikes, minimizing the risk of damage to connected circuits.

Advantages and Disadvantages

Advantages

• Effective surge protection
• Compact surface-mount package
• Low clamping voltage

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of placement in circuit design

Working Principles

The TPSMD70A operates by diverting transient voltage spikes away from sensitive components, thereby preventing damage due to overvoltage conditions. When a surge occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be dissipated.

Detailed Application Field Plans

The TPSMD70A is widely used in various applications, including: - Consumer Electronics: Protection of USB ports, audio/video inputs, and power supply lines in consumer devices. - Telecommunications: Safeguarding communication interfaces and power lines in networking equipment. - Automotive Electronics: Surge protection for onboard electronics and control systems in vehicles.

Detailed and Complete Alternative Models

• TPSMD6.8A: 6.8V rating, 400W peak pulse power, SOD-123FL package
• TPSMD15A: 15V rating, 400W peak pulse power, SOD-123FL package
• TPSMD24A: 24V rating, 400W peak pulse power, SOD-123FL package

In conclusion, the TPSMD70A transient voltage suppressor diode offers effective surge protection with its high surge capability, low clamping voltage, and fast response time. While it has specific limitations, its compact size and performance make it a valuable component in various electronic applications.

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