SMLJ43CA-QH Encyclopedia Entry

Product Overview

The SMLJ43CA-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 SMLJ43CA-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, low clamping voltage
• Package: DO-214AB (SMC), SMA package options
• Essence: Safeguarding electronic circuits from voltage surges
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Power Dissipation: 1500W
• Breakdown Voltage: 43V
• Operating Temperature Range: -55°C to +150°C
• Forward Voltage: 58.1V at 10A
• Reverse Leakage Current: 1µA at 43V

Detailed Pin Configuration

The SMLJ43CA-QH typically has two pins, with the anode and cathode connections clearly marked on the device. The pin configuration follows industry-standard conventions for diodes.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Helps to limit the voltage across the protected load during transient events.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Can introduce some capacitance into the protected circuit
• May require careful consideration of layout and placement for optimal performance

Working Principles

The SMLJ43CA-QH operates based on the principle of avalanche breakdown. When a transient overvoltage occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the load, safeguarding it from damage.

Detailed Application Field Plans

The SMLJ43CA-QH finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMLJ43CA-QH include: - P6SMB43CA - 1.5SMC43CA - SMBJ43CA - P4SMA43CA

In conclusion, the SMLJ43CA-QH transient voltage suppressor diode offers robust protection against transient overvoltage conditions, making it a crucial component in safeguarding sensitive electronic circuits across diverse applications.

[Word Count: 410]