1SMC75AT3

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: High power dissipation, low clamping voltage
Package: SMC (DO-214AB)
Essence: Protects electronic circuits from overvoltage
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage: 64.3V to 71.3V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1SMC75AT3 is a unidirectional TVS diode with two pins. The cathode is connected to the semiconductor material and the anode is connected to the metal contact.

Functional Features

• Provides transient voltage suppression for sensitive electronics
• Fast response time to clamp transient overvoltage
• Low leakage current in standby mode

Advantages and Disadvantages

Advantages: - High power dissipation capability - Low clamping voltage for effective protection - Compact SMC package for space-saving designs

Disadvantages: - Limited breakdown voltage range - Sensitive to reverse bias conditions

Working Principles

When the voltage across the 1SMC75AT3 exceeds its breakdown voltage, it conducts heavily to suppress the overvoltage and protect the downstream circuitry. It acts as a shunt regulator, diverting excess current away from sensitive components.

Detailed Application Field Plans

The 1SMC75AT3 is commonly used in: - Power supplies - Automotive electronics - Industrial control systems - Telecommunication equipment

Detailed and Complete Alternative Models

• 1SMC5.0AT3: Lower breakdown voltage (5.0V)
• 1SMC170AT3: Higher breakdown voltage (170V)
• 1SMC440AT3: Higher peak power dissipation (4400W)

This completes the entry for 1SMC75AT3, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

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