SMAJ18CA-M3/61

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: Transient Voltage Suppressor Diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 18V
• Voltage - Breakdown (Min): 20V
• Voltage - Clamping (Max) @ Ipp: 29.2V
• Current - Peak Pulse (10/1000µs): 19.4A
• Power - Peak Pulse: 400W
• Type: Zener
• Unidirectional: Yes
• Polarity: Cathode

Detailed Pin Configuration

The SMAJ18CA-M3/61 has two pins: 1. Anode: Connects to the positive side of the circuit. 2. Cathode: Connects to the negative side of the circuit.

Functional Features

• Provides protection against transient voltage events.
• Fast response time.
• Low clamping voltage.

Advantages and Disadvantages

Advantages: - High surge capability. - Compact size. - RoHS compliant.

Disadvantages: - Limited power dissipation capability. - Unidirectional protection only.

Working Principles

The SMAJ18CA-M3/61 operates by diverting excess current away from sensitive components when a voltage spike occurs. It acts as a voltage-controlled switch, turning on when the voltage exceeds its breakdown voltage and conducting current to protect the downstream circuitry.

Detailed Application Field Plans

This diode is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMAJ5.0A: 5V reverse standoff voltage
• SMAJ12A: 12V reverse standoff voltage
• SMAJ24A: 24V reverse standoff voltage
• SMAJ36A: 36V reverse standoff voltage

In conclusion, the SMAJ18CA-M3/61 is a reliable transient voltage suppressor diode with fast response time and high surge capability, making it suitable for a wide range of applications in various industries.

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