Littelfuse Inc.
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3KP120C-B
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3KP120C-B Product Overview

Introduction

The 3KP120C-B is a high-power transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the 3KP120C-B, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning and other transient voltage events
  • Characteristics: High power handling capability, low clamping voltage, fast response time
  • Package: Axial leaded, DO-201AD
  • Essence: Safeguarding sensitive electronic equipment from voltage transients
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

  • Peak Power Dissipation: 3000W
  • Breakdown Voltage: 120V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 3KP120C-B TVS diode has an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time to transient voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • High power dissipation capability
  • RoHS compliant
  • Reliable protection against voltage transients

Disadvantages

  • Higher cost compared to lower power TVS diodes
  • Requires proper circuit design for optimal performance

Working Principles

The 3KP120C-B operates by diverting excessive transient currents away from sensitive electronic circuits, thereby limiting the voltage across the protected device during transient events. This is achieved through the rapid conduction of the TVS diode when the voltage exceeds the breakdown voltage, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The 3KP120C-B is widely used in various applications requiring protection against transient voltage events, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 3KP120C-B include: - 5KP110A: 5000W TVS diode with 110V breakdown voltage - P6KE120CA: 600W TVS diode with 120V breakdown voltage - SMAJ120A: 400W TVS diode with 120V breakdown voltage

In conclusion, the 3KP120C-B transient voltage suppressor diode offers robust protection against transient voltage events, making it a crucial component in safeguarding sensitive electronic equipment across various industries.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 3KP120C-B in technische oplossingen

  1. What is the 3KP120C-B diode used for?

    • The 3KP120C-B diode is commonly used for surge protection in various technical solutions.

  2. What are the key features of the 3KP120C-B diode?

    • The 3KP120C-B diode features a high surge capability, low forward voltage drop, and fast response time.

  3. In what type of applications can the 3KP120C-B diode be used?

    • The 3KP120C-B diode can be used in applications such as power supplies, automotive electronics, industrial equipment, and telecommunications systems.

  4. What is the maximum voltage rating of the 3KP120C-B diode?

    • The 3KP120C-B diode has a maximum voltage rating of 120V.

  5. How does the 3KP120C-B diode provide surge protection?

    • The 3KP120C-B diode clamps transient overvoltages to protect sensitive components in the circuit.

  6. Is the 3KP120C-B diode suitable for high-power applications?

    • Yes, the 3KP120C-B diode is designed to handle high-power surges and is suitable for such applications.

  7. What is the typical response time of the 3KP120C-B diode?

    • The 3KP120C-B diode typically responds to transient overvoltages within nanoseconds.

  8. Can the 3KP120C-B diode be used in reverse polarity protection circuits?

    • Yes, the 3KP120C-B diode is often used in reverse polarity protection circuits due to its low forward voltage drop.

  9. Are there any specific thermal considerations when using the 3KP120C-B diode?

    • It is important to consider heat dissipation and thermal management due to the high surge capability of the 3KP120C-B diode.

  10. Where can I find detailed specifications and application notes for the 3KP120C-B diode?

    • Detailed specifications and application notes for the 3KP120C-B diode can be found in the product datasheet provided by the manufacturer.