SMF20A-HM3-08 Product Overview

Introduction

The SMF20A-HM3-08 is a semiconductor product belonging to the category of transient voltage suppressors (TVS). This entry provides an in-depth overview of the SMF20A-HM3-08, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressors (TVS)
• Use: Protection against transient voltage spikes in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SOD-123FL
• Essence: Safeguarding sensitive electronic components from voltage surges
• Packaging/Quantity: Available in reels with varying quantities

Specifications

• Part Number: SMF20A-HM3-08
• Peak Pulse Power: 200W
• Breakdown Voltage: 20V
• Clamping Voltage: 32.4V
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMF20A-HM3-08 features a standard SOD-123FL package with three pins: anode, cathode, and ground.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltage spikes to protect downstream components.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
• High Surge Current Capability: Can handle significant surge currents without degradation.

Advantages and Disadvantages

• Advantages:
  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor
• Disadvantages:
  • Limited to low voltage applications
  • Requires careful consideration of placement for optimal performance

Working Principles

The SMF20A-HM3-08 operates by diverting excessive transient energy away from sensitive components, thereby preventing damage due to voltage spikes. When a transient event occurs, the device rapidly conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMF20A-HM3-08 finds extensive use in various electronic systems, including: - Consumer Electronics: Protecting USB ports, audio/video interfaces, and power supply inputs. - Telecommunications: Safeguarding communication equipment from voltage surges. - Automotive Electronics: Shielding vehicle electronics from transient events.

Detailed and Complete Alternative Models

• Alternative Model 1: SMAJ20A
  • Category: TVS Diodes
  • Characteristics: Higher power handling capability
• Alternative Model 2: P6SMB20A
  • Category: TVS Diodes
  • Characteristics: Larger package size for higher surge current capacity

In conclusion, the SMF20A-HM3-08 offers effective transient voltage suppression in a compact form factor, making it suitable for a wide range of electronic applications.

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