SMBJ120CD-M3/H

Product Overview

The SMBJ120CD-M3/H belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excess current away from sensitive components. The SMBJ120CD-M3/H is known for its compact package, high reliability, and efficient transient voltage suppression capabilities.

Basic Information

• Category: Transient Voltage Suppressor Diodes (TVS Diodes)
• Use: Surge protection in electronic circuits
• Characteristics: Rapid response, high reliability
• Package: SMB (DO-214AA)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 120V
• Voltage - Breakdown (Min): 133V
• Voltage - Clamping (Max) @ Ipp: 193V
• Current - Peak Pulse (10/1000µs): 10A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ120CD-M3/H TVS diode has a standard pin configuration with two leads: anode and cathode. The anode is typically denoted by a small "+" symbol, while the cathode is marked with a line near the diode body.

Functional Features

• Rapid response to overvoltage events
• Diverts excess current away from sensitive components
• High reliability and durability

Advantages and Disadvantages

Advantages

• Efficient transient voltage suppression
• Compact package size
• High reliability and durability

Disadvantages

• Limited to surge protection applications
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ120CD-M3/H TVS diode operates based on the principle of Zener breakdown. When the voltage across the diode exceeds its breakdown voltage, it conducts heavily, diverting the excess current and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ120CD-M3/H TVS diode finds extensive use in various electronic systems, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. SMBJ120A-M3/H: Similar specifications with slightly different packaging
2. SMBJ120B-M3/H: Higher power handling capability with similar voltage ratings
3. SMBJ120C-M3/H: Lower clamping voltage for more sensitive applications

In conclusion, the SMBJ120CD-M3/H TVS diode offers efficient transient voltage suppression in a compact package, making it suitable for a wide range of surge protection applications in electronic circuits.

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