SMBJ4735AE3/TR13

Product Overview

• Category: Diode
• Use: Voltage suppression in electronic circuits
• Characteristics: Transient voltage suppressor diode, low clamping voltage, fast response time
• Package: DO-214AB (SMC), 2.9mm height, 5.3mm width
• Essence: Protects sensitive electronic components from voltage spikes
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 43.6V
• Voltage - Breakdown (Min): 48.5V
• Clamping Voltage (Max) @ Ipp: 77.4V
• Peak Pulse Current: 30.1A
• Power Dissipation (Max): 600W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

• Pin 1: Anode
• Pin 2: Cathode

Functional Features

• Provides transient voltage protection for sensitive electronics
• Fast response time to clamp transient voltages
• Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage

Disadvantages

• Limited peak pulse current handling compared to some higher-rated devices
• Sensitive to reverse bias conditions

Working Principles

The SMBJ4735AE3/TR13 operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. When the voltage exceeds the breakdown voltage, the diode conducts, providing a low-impedance path for the transient current to flow through, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMBJ4735AE3/TR13 is commonly used in various electronic systems such as power supplies, communication equipment, automotive electronics, and industrial control systems. Its primary function is to protect these systems from voltage surges induced by lightning, ESD, or other transient events.

Detailed and Complete Alternative Models

• SMBJ5.0A: 5.0V reverse standoff voltage
• SMBJ15CA: 15V reverse standoff voltage
• SMBJ33A: 33V reverse standoff voltage
• SMBJ58A: 58V reverse standoff voltage

This range of alternative models provides options for different voltage protection requirements in electronic circuits.

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