SMAJ70A R3G

Product Overview

Category

The SMAJ70A R3G 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, providing protection against voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to protect sensitive electronic components.
• Fast Response Time: Rapid response to voltage transients, ensuring minimal impact on the protected circuit.
• Compact Package: Small form factor for easy integration into electronic designs.
• High Reliability: Designed for consistent performance and durability under varying conditions.

Package

The SMAJ70A R3G is typically available in a surface-mount package, offering ease of installation and space-saving benefits.

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 SMAJ70A R3G is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications. Typical quantities range from hundreds to thousands per reel or tray.

Specifications

• Voltage Rating: 70V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to +150°C
• Breakdown Voltage: 77.4V (min)

Detailed Pin Configuration

The SMAJ70A R3G features a standard SMC (DO-214AB) package with two pins. The pin configuration is as follows: 1. Anode 2. Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream circuitry.
• Low Clamping Voltage: Provides efficient protection by limiting the peak voltage across the protected circuit.
• Fast Response: Rapid reaction time to transient events, minimizing the risk of damage to sensitive components.

Advantages and Disadvantages

Advantages

• Effective transient voltage suppression
• Fast response time
• Compact form factor
• High reliability and durability

Disadvantages

• Limited to specific voltage ratings
• May require additional components for comprehensive surge protection in complex systems

Working Principles

The SMAJ70A R3G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a transient voltage, diverting the surge away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

• Protection of sensitive microelectronics in smartphones, tablets, and other portable devices.
• Safeguarding USB ports and power supply circuits from voltage spikes.

Industrial Automation

• Shielding PLCs, sensors, and control systems from electrical disturbances in factory environments.
• Protecting communication interfaces and data lines from transient events.

Automotive Electronics

• Surge protection for onboard electronics in vehicles, including infotainment systems and engine control units.
• Safeguarding against voltage transients in automotive sensor networks.

Detailed and Complete Alternative Models

• SMAJ5.0A: Lower voltage rating suitable for more sensitive electronic components.
• SMAJ130A: Higher voltage rating for applications requiring greater surge protection capacity.
• SMAJ70CA: Bi-directional transient voltage suppressor for bidirectional protection.

In conclusion, the SMAJ70A R3G offers reliable transient voltage suppression in a compact package, making it an essential component for protecting electronic circuits across various industries.

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