Vishay Semiconductor Diodes Division
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SMF15A-HM3-18
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SMF15A-HM3-18

Product Overview

Category: Electronic Component
Use: Voltage Suppressor Diode
Characteristics: High surge capability, low clamping voltage
Package: DO-219AB
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 15V
  • Clamping Voltage: 24.4V at 10A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF15A-HM3-18 is a surface mount diode with two pins in the DO-219AB package.

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time to clamp transient voltages

Advantages and Disadvantages

Advantages: - High surge capability - Low clamping voltage - Fast response time

Disadvantages: - Limited breakdown voltage compared to higher-rated diodes

Working Principles

When a transient voltage spike occurs, the diode conducts and clamps the voltage to protect the connected circuitry.

Detailed Application Field Plans

  1. Consumer Electronics: Used in TVs, computers, and home appliances to protect against power surges.
  2. Automotive: Safeguards vehicle electronics from voltage transients.
  3. Telecommunications: Protects communication equipment from lightning-induced surges.

Detailed and Complete Alternative Models

  1. SMF5.0A: 5V breakdown voltage
  2. SMF12A: 12V breakdown voltage
  3. SMF24A: 24V breakdown voltage

This completes the entry for SMF15A-HM3-18, covering its product details, specifications, features, and applications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMF15A-HM3-18 en soluciones técnicas

  1. What is SMF15A-HM3-18?

    • SMF15A-HM3-18 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What are the key features of SMF15A-HM3-18?

    • The key features include a low profile package, low clamping voltage, fast response time, and high surge current capability.

  3. How does SMF15A-HM3-18 protect electronic circuits?

    • SMF15A-HM3-18 suppresses voltage transients by diverting excess current away from sensitive components, thereby preventing damage to the circuit.

  4. In what applications can SMF15A-HM3-18 be used?

    • SMF15A-HM3-18 is commonly used in telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges.

  5. What is the maximum working voltage of SMF15A-HM3-18?

    • The maximum working voltage is typically 15V.

  6. What is the operating temperature range of SMF15A-HM3-18?

    • The operating temperature range is usually -55°C to +150°C.

  7. How is SMF15A-HM3-18 installed in a circuit?

    • SMF15A-HM3-18 is typically soldered onto the circuit board using surface mount technology.

  8. What standards does SMF15A-HM3-18 comply with?

    • SMF15A-HM3-18 complies with industry standards such as IEC 61000-4-2 for electrostatic discharge protection.

  9. What is the typical capacitance of SMF15A-HM3-18?

    • The typical capacitance is around 10pF.

  10. Can SMF15A-HM3-18 be used in outdoor applications?

    • Yes, SMF15A-HM3-18 is suitable for outdoor applications due to its ability to withstand harsh environmental conditions.

Is there anything else you would like to know about SMF15A-HM3-18 or its application in technical solutions?