SMAJ40AHE3/61

Product Overview

The SMAJ40AHE3/61 belongs to the category of semiconductor devices and is specifically a part of the transient voltage suppressor (TVS) diode family. This product is commonly used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The characteristics of the SMAJ40AHE3/61 include its high surge capability, low clamping voltage, and fast response time. It is typically available in a compact package, making it suitable for various electronic applications.

Basic Information

• Category: Semiconductor Devices, TVS Diodes
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AC (SMA)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 40V
• Operating Voltage: 33.3V
• Maximum Clamping Voltage: 64.5V
• Peak Pulse Current: 14.5A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMAJ40AHE3/61 TVS diode consists of two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.
• High Surge Capability: Can withstand high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact package size

Disadvantages

• Limited to specific voltage and current ratings
• May require additional components for comprehensive protection in complex circuits

Working Principles

When a transient voltage event occurs, the SMAJ40AHE3/61 TVS diode conducts excess current away from the protected circuit, thereby limiting the voltage across the circuit. This action helps prevent damage to sensitive electronic components by suppressing the transient voltage to a safe level.

Detailed Application Field Plans

The SMAJ40AHE3/61 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• P6KE39CA: Similar TVS diode with a slightly lower breakdown voltage
• 1.5KE47CA: Higher power dissipation TVS diode with comparable characteristics
• SMF5.0A: Low-profile TVS diode suitable for space-constrained applications

In conclusion, the SMAJ40AHE3/61 TVS diode offers effective transient voltage suppression and fast response time, making it a valuable component for protecting sensitive electronic circuits in various applications.

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