SMAJ40CAHE3/61

Product Overview

Category

The SMAJ40CAHE3/61 belongs to the category of electronic components, specifically within the realm of semiconductor devices.

Use

This product is primarily used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to protect downstream components.
• Fast Response Time: Rapid response to voltage transients to prevent damage.
• Compact Size: Small form factor for easy integration into circuit designs.
• Robust Packaging: Designed to withstand environmental stresses and mechanical impacts.

Package

The SMAJ40CAHE3/61 is typically available in a surface-mount package, which facilitates easy assembly onto printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage fluctuations and surges, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

The product is commonly supplied in reels or tubes, with quantities varying based on the supplier and customer requirements.

Specifications

• Part Number: SMAJ40CAHE3/61
• Peak Pulse Power Dissipation: 400W
• Breakdown Voltage: 40V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 40V
• Clamping Voltage: 64.5V
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ40CAHE3/61 features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Provides rapid clamping of transient voltages to protect downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage during transient events.
• Fast Response Time: Reacts quickly to transient voltage spikes to prevent damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients.
• Compact size for easy integration into circuit designs.
• Fast response time to transient events.

Disadvantages

• May exhibit limitations in handling sustained overvoltage conditions.
• Requires careful consideration of placement and layout for optimal performance.

Working Principles

The SMAJ40CAHE3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This effectively diverts the excess energy away from the protected circuitry, preventing damage.

Detailed Application Field Plans

The SMAJ40CAHE3/61 finds extensive application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: SMBJ40CAHE3/61
  • Similar specifications and functionality but in a different package (SMB).
• Alternative Model 2: P6SMB40CA
  • Higher power dissipation capability with similar voltage ratings.

In conclusion, the SMAJ40CAHE3/61 serves as a crucial component in protecting electronic circuits from transient voltage events, offering a balance of performance, size, and reliability.

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