SMBJ4744CE3/TR13

Product Overview

• Category: Diode
• Use: Voltage suppression in electronic circuits
• Characteristics: Transient voltage suppressor diode, low clamping voltage, fast response time
• Package: DO-214AA (SMB), 2-pin
• Essence: Protects sensitive electronic components from voltage spikes
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 44V
• Voltage - Breakdown (Min): 48.4V
• Voltage - Clamping (Max) @ Ipp: 77V
• Current - Peak Pulse (10/1000µs): 20.1A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ4744CE3/TR13 has a simple 2-pin configuration with the anode and cathode pins.

Functional Features

• Provides protection against transient voltage events
• Fast response time ensures minimal damage to protected circuits
• Low clamping voltage prevents excessive voltage exposure to downstream components

Advantages and Disadvantages

Advantages

• Effective voltage suppression
• Fast response time
• Compact package size

Disadvantages

• Limited power dissipation capability
• May require additional circuitry for comprehensive surge protection

Working Principles

The SMBJ4744CE3/TR13 operates by diverting excess voltage away from sensitive electronic components when a transient voltage event occurs. It achieves this through rapid conduction of current during overvoltage conditions, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

This diode is commonly used in various electronic systems such as: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• SMBJ4744B: Similar specifications with slightly different voltage ratings
• SMBJ4744A: Higher power dissipation capability but larger package size
• SMBJ4744D: Lower clamping voltage for more sensitive applications

In conclusion, the SMBJ4744CE3/TR13 is a reliable transient voltage suppressor diode that offers effective protection for sensitive electronic circuits. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although users should consider its limitations in power dissipation and potential need for supplementary surge protection circuitry.

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