SMDJ75A-HR

Product Overview

The SMDJ75A-HR belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transient surges. The SMDJ75A-HR is designed to provide high reliability and performance in a compact surface-mount package, making it suitable for a wide range of applications.

Basic Information

• Category: TVS Diode
• Use: Protection against voltage spikes and transient surges
• Characteristics: High reliability, compact surface-mount package
• Package: SMD (Surface Mount Device)
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Part Number: SMDJ75A-HR
• Voltage Rating: 75V
• Peak Pulse Power: 3000W
• Operating Temperature Range: -55°C to +150°C
• Mounting Type: Surface Mount
• Package/Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMDJ75A-HR typically features a standard SMC package with two pins for surface mounting onto a printed circuit board. The pin configuration follows industry-standard specifications for TVS diodes.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect downstream components.
• Fast Response Time: Rapidly responds to voltage transients to minimize the risk of damage.
• Low Clamping Voltage: Provides effective protection while limiting the voltage across the protected circuit.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Compact surface-mount package
• High reliability and performance

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMDJ75A-HR operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit. This is achieved through the use of semiconductor junctions that rapidly conduct when exposed to high voltages, effectively shunting the transient energy to ground.

Detailed Application Field Plans

The SMDJ75A-HR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMDJ5.0A-HR: 5V rating, suitable for low-voltage applications
• SMDJ15A-HR: 15V rating, ideal for intermediate voltage protection
• SMDJ100A-HR: 100V rating, for higher voltage transient suppression

In conclusion, the SMDJ75A-HR TVS diode offers reliable protection against voltage spikes and transient surges in a compact surface-mount package. Its high performance and fast response make it a valuable component in various electronic systems.

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