SMLJ51CA-QH Encyclopedia Entry

Product Overview

The SMLJ51CA-QH belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMLJ51CA-QH is designed to provide robust protection against transient overvoltage conditions in a variety of applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: DO-214AB (SMC), SMA package
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage Range: 45.2V to 56.7V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C
• Forward Voltage: 3.5V at 100A
• Reverse Leakage Current: 1µA at 40V

Detailed Pin Configuration

The SMLJ51CA-QH typically has two pins, with the anode and cathode connections for easy integration into circuit designs.

Functional Features

• Transient Voltage Suppression: Provides effective suppression of voltage transients and spikes.
• Fast Response Time: Rapidly clamps transient voltages to protect downstream components.
• High Surge Capability: Capable of handling high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Clamping voltage may be higher than some alternative models
• Requires careful consideration of reverse leakage current in certain applications

Working Principles

The SMLJ51CA-QH operates on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, effectively diverting the transient energy away from sensitive components.

Detailed Application Field Plans

The SMLJ51CA-QH is widely used in various applications including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMBJ51CA

  • Category: Transient Voltage Suppressor Diode
  • Characteristics: Similar surge capability and breakdown voltage range
  • Package: DO-214AA (SMB)

• Alternative Model 2: 1.5SMCJ51CA

  • Category: Transient Voltage Suppressor Diode
  • Characteristics: Higher surge capability, similar breakdown voltage range
  • Package: DO-214AB (SMC)

In conclusion, the SMLJ51CA-QH transient voltage suppressor diode offers effective protection against voltage transients and spikes, making it a valuable component in various electronic applications.

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