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SMCJ120A-HR

SMCJ120A-HR

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: High reliability, fast response time
Package: SMC (DO-214AB)
Essence: Provides overvoltage protection for sensitive electronics
Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Standoff Voltage: 102V to 121V
  • Breakdown Voltage: 113.3V to 126.7V
  • Maximum Clamping Voltage: 164V
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMCJ120A-HR has two pins in the SMC package configuration. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High reliability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Fast response time protects sensitive electronics - High reliability ensures long-term performance - RoHS compliance for environmental friendliness

Disadvantages: - Relatively high clamping voltage compared to some alternatives

Working Principles

The SMCJ120A-HR operates by diverting excess voltage away from sensitive electronic components when a transient overvoltage event occurs. It does this by rapidly conducting current when the voltage exceeds the breakdown voltage, thereby protecting downstream components.

Detailed Application Field Plans

The SMCJ120A-HR is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ120A-HR include: - SMCJ110A-HR - SMCJ130A-HR - SMCJ150A-HR

These models offer similar voltage suppression capabilities with varying breakdown voltages to suit different application requirements.


This entry provides comprehensive information about the SMCJ120A-HR, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMCJ120A-HR en soluciones técnicas

  1. What is the maximum peak pulse current for SMCJ120A-HR?

    • The maximum peak pulse current for SMCJ120A-HR is 3000A.
  2. What is the breakdown voltage of SMCJ120A-HR?

    • The breakdown voltage of SMCJ120A-HR is 133V.
  3. What is the typical clamping voltage of SMCJ120A-HR?

    • The typical clamping voltage of SMCJ120A-HR is 193V at 10A.
  4. What are the typical applications for SMCJ120A-HR?

    • SMCJ120A-HR is commonly used in surge protection for telecommunications equipment, industrial control systems, and power supplies.
  5. What is the operating temperature range for SMCJ120A-HR?

    • The operating temperature range for SMCJ120A-HR is -55°C to +150°C.
  6. Does SMCJ120A-HR meet RoHS compliance?

    • Yes, SMCJ120A-HR is compliant with RoHS regulations.
  7. What is the package type for SMCJ120A-HR?

    • SMCJ120A-HR is available in a DO-214AB (SMC) package.
  8. Is SMCJ120A-HR suitable for high-reliability applications?

    • Yes, SMCJ120A-HR is designed for high-reliability applications and has a high surge capability.
  9. What is the response time of SMCJ120A-HR?

    • The response time of SMCJ120A-HR is typically less than 1.0 nanosecond.
  10. Can SMCJ120A-HR be used for overvoltage protection in automotive electronics?

    • Yes, SMCJ120A-HR can be used for overvoltage protection in automotive electronics due to its high surge capability and fast response time.