SMAJ70CAHM2G Encyclopedia Entry

Product Overview

Category

The SMAJ70CAHM2G belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

Use

This TVS diode is used to protect sensitive electronic components from voltage spikes and transients in various electronic circuits.

Characteristics

• Voltage Suppression: Capable of suppressing voltage spikes and transients to protect downstream components.
• Fast Response Time: Provides rapid response to transient events, safeguarding sensitive electronics.
• Compact Package: Small form factor suitable for integration into various electronic designs.
• High Reliability: Designed for long-term reliability in protecting electronic circuits.

Package

The SMAJ70CAHM2G is typically available in a surface mount package, offering ease of assembly onto printed circuit boards (PCBs).

Essence

The essence of this TVS diode lies in its ability to provide robust protection against voltage surges, ensuring the integrity of electronic systems.

Packaging/Quantity

These TVS diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Rating: 70V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Package Type: SMA (DO-214AC)
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ70CAHM2G TVS diode features a standard SMA package with two pins. Pin 1 is typically the cathode, while pin 2 serves as the anode.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels, protecting downstream components.
• Low Clamping Voltage: Ensures that the protected circuitry is exposed to minimal voltage during transient events.
• High Surge Current Capability: Capable of handling high surge currents, enhancing its protective capabilities.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact form factor for easy integration
• High reliability for long-term use

Disadvantages

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

Working Principles

The SMAJ70CAHM2G TVS diode operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit. This is achieved through the rapid conduction of the TVS diode when subjected to a transient event, effectively shunting the excess energy to ground.

Detailed Application Field Plans

Electronic Circuits

• Used in power supplies, communication equipment, and industrial control systems to protect against voltage surges.
• Integrated into automotive electronics to safeguard sensitive components from electrical disturbances.

Consumer Electronics

• Employed in consumer electronic devices such as smartphones, tablets, and laptops to ensure protection from voltage spikes.

Industrial Automation

• Utilized in industrial automation systems to shield PLCs, sensors, and other critical components from transient voltage events.

Detailed and Complete Alternative Models

• P6KE68CA: Similar TVS diode with a slightly lower voltage rating.
• SMBJ70A: Surface mount TVS diode with comparable characteristics and performance.
• 1.5KE82CA: Through-hole TVS diode offering similar transient voltage suppression capabilities.

In conclusion, the SMAJ70CAHM2G TVS diode provides effective protection against voltage transients in a wide range of electronic applications. Its compact size, fast response time, and high reliability make it a valuable component in safeguarding sensitive electronic circuits.

Word Count: 593