SMAJ8.5A-M3/5A

Product Overview

Category

The SMAJ8.5A-M3/5A belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressor (TVS) diodes.

Use

These diodes are primarily used for surge protection in electronic circuits, safeguarding sensitive components from voltage spikes and transients.

Characteristics

• Voltage Suppression: Capable of suppressing voltage spikes and transients to protect downstream components.
• Fast Response Time: Rapid reaction to voltage surges, ensuring minimal impact on the circuit.
• Compact Package: Small form factor for easy integration into electronic designs.
• Robustness: Designed to withstand high-energy transients without degradation.

Package

The SMAJ8.5A-M3/5A is typically available in a surface-mount package, offering ease of assembly onto printed circuit boards (PCBs).

Essence

The essence of this product lies in its ability to provide reliable surge protection, ensuring the longevity and reliability of electronic systems.

Packaging/Quantity

These diodes are commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Part Number: SMAJ8.5A-M3/5A
• Peak Pulse Power: 400W
• Breakdown Voltage: 8.5V
• Operating Voltage: 7.37V
• Clamping Voltage: 14.4V
• Peak Pulse Current: 11.4A
• Operating Temperature Range: -55°C to +150°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ8.5A-M3/5A TVS diode features a standard DO-214AC (SMA) package with two pins. The pinout configuration is as follows: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Low Clamping Voltage: Ensures minimal stress on the protected circuit during surge events.
• Fast Reaction Time: Rapid response to transient events, minimizing the risk of damage to sensitive electronics.

Advantages and Disadvantages

Advantages

• Effective surge protection
• Fast response time
• Compact form factor

Disadvantages

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

Working Principles

The SMAJ8.5A-M3/5A operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, diverting the surge energy away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

• Integration into power supply units to protect against voltage surges.
• Inclusion in communication devices to safeguard sensitive circuitry.

Industrial Equipment

• Utilization in control systems to mitigate the impact of electrical transients.
• Incorporation into motor drives and inverters for surge protection.

Automotive Electronics

• Installation in automotive control modules to ensure resilience against voltage spikes.
• Integration into onboard entertainment and navigation systems for enhanced reliability.

Detailed and Complete Alternative Models

• P6SMB8.5A: Similar TVS diode with a slightly different package type.
• SMBJ8.5A: Alternative diode with similar electrical characteristics but in an SMB package.

In conclusion, the SMAJ8.5A-M3/5A transient voltage suppressor diode offers effective surge protection in a compact form factor, making it suitable for a wide range of applications across various industries.

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