Littelfuse Inc.
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
1.5SMC27CA
詳細を表示 DataSheets

1.5SMC27CA - Product Overview and Analysis

Introduction

The 1.5SMC27CA is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides an in-depth analysis of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Components
  • Use: Protection against overvoltage transients
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: SMC (DO-214AB)
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 27V
  • Operating Voltage: 23.1V
  • Clamping Voltage: 38.9V
  • Peak Pulse Current: 58.6A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC27CA is a surface mount device with two terminals. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.

Functional Features

  • Transient Suppression: Rapidly responds to overvoltage transients, diverting excess current away from sensitive components.
  • Low Clamping Voltage: Provides effective protection by limiting the voltage across the circuit.

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • Compact SMC package

Disadvantages

  • Limited breakdown voltage range
  • Sensitive to reverse polarity connection

Working Principles

When an overvoltage transient occurs, the 1.5SMC27CA conducts current and clamps the voltage to a safe level, protecting downstream components from damage. It operates by shunting excess energy to the ground.

Detailed Application Field Plans

The 1.5SMC27CA is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1.5SMC6.8CA: Lower breakdown voltage (6.8V)
  • 1.5SMC33CA: Higher breakdown voltage (33V)
  • 1.5SMC51CA: Higher peak pulse power (1500W)

In conclusion, the 1.5SMC27CA transient voltage suppressor diode offers reliable protection against overvoltage transients in a wide range of electronic applications. Its fast response time, high surge capability, and compact package make it a valuable component for safeguarding sensitive circuits.

[Word Count: 386]

技術ソリューションにおける 1.5SMC27CA の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is 1.5SMC27CA?

    • 1.5SMC27CA is a type of TVS (transient voltage suppressor) diode used to protect electronic circuits from overvoltage transients.

  2. What is the breakdown voltage of 1.5SMC27CA?

    • The breakdown voltage of 1.5SMC27CA is 27V, which means it starts conducting when the voltage across it exceeds 27V.

  3. What are the typical applications of 1.5SMC27CA?

    • 1.5SMC27CA is commonly used in surge protection for telecommunications equipment, automotive electronics, industrial control systems, and power supplies.

  4. How does 1.5SMC27CA provide overvoltage protection?

    • When an overvoltage transient occurs, 1.5SMC27CA conducts and shunts the excess current away from sensitive components, protecting them from damage.

  5. What is the maximum clamping voltage of 1.5SMC27CA?

    • The maximum clamping voltage of 1.5SMC27CA is the voltage level at which it limits the transient voltage. For this diode, it is typically around 44.7V.

  6. Can 1.5SMC27CA be used for ESD (electrostatic discharge) protection?

    • Yes, 1.5SMC27CA can be used for ESD protection in electronic circuits to prevent damage from electrostatic discharges.

  7. What is the response time of 1.5SMC27CA?

    • The response time of 1.5SMC27CA is very fast, typically in the nanosecond range, providing quick protection against transient events.

  8. Is 1.5SMC27CA a bidirectional or unidirectional TVS diode?

    • 1.5SMC27CA is a bidirectional TVS diode, meaning it can protect against both positive and negative voltage transients.

  9. What are the temperature considerations for using 1.5SMC27CA?

    • 1.5SMC27CA has a wide operating temperature range, typically from -55°C to 150°C, making it suitable for various environmental conditions.

  10. Are there any reliability certifications or standards associated with 1.5SMC27CA?

    • Yes, 1.5SMC27CA may have certifications such as AEC-Q101 for automotive applications or compliance with industry standards like IEC 61000-4-5 for surge immunity. Always check the datasheet for specific details.