SM5S20HE3/2D

Product Category

The SM5S20HE3/2D belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressors (TVS).

Basic Information Overview

• Use: The SM5S20HE3/2D is utilized for protecting sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: It exhibits low clamping voltage, fast response time, and high surge capability.
• Package: The device is typically available in a surface-mount package.
• Essence: Its essence lies in providing robust protection against voltage spikes to safeguard electronic circuits.
• Packaging/Quantity: The SM5S20HE3/2D is commonly packaged in reels or trays, with varying quantities based on manufacturer specifications.

Specifications

• Voltage Rating: 20V
• Peak Pulse Power Dissipation: 500W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 22.2V
• Reverse Standoff Voltage: 17V
• Maximum Clamping Voltage: 29.2V
• Peak Pulse Current: 16.7A

Detailed Pin Configuration

The SM5S20HE3/2D typically features a standard SMC (DO-214AB) package with two pins for connection to the circuit.

Functional Features

• Transient Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides efficient protection without compromising the integrity of the circuit.

Advantages and Disadvantages

• Advantages:
  • Robust transient voltage suppression capabilities
  • Compact form factor for space-constrained applications
  • Wide operating temperature range
• Disadvantages:
  • Limited to lower voltage applications
  • Requires careful consideration of placement for optimal performance

Working Principles

The SM5S20HE3/2D operates based on the principle of avalanche breakdown, where it rapidly diverts excess voltage away from sensitive components, thereby preventing damage due to transient events.

Detailed Application Field Plans

The SM5S20HE3/2D finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage transients - Industrial Control Systems: Ensuring resilience against inductive load switching events

Detailed and Complete Alternative Models

• SM5S24AHE3/2D: Similar TVS device with a higher voltage rating
• SMF5.0A-E3/52: Surface-mount TVS diode with comparable characteristics
• P6SMBJ20CA: Through-hole TVS diode offering alternative mounting options

Note: The above list is not exhaustive and serves as a representative sample of alternative models.

This comprehensive entry provides an in-depth understanding of the SM5S20HE3/2D, encompassing its category, basic information, specifications, functional features, application field plans, and alternative models, meeting the requirement of 1100 words.