SMBJ4748C/TR13

Product Overview

• Category: Diode
• Use: Voltage suppression in electronic circuits
• Characteristics: Fast response time, low clamping voltage, compact package
• Package: SMB (DO-214AA)
• Essence: Transient voltage suppressor diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 48V
• Voltage - Breakdown (Min): 53.3V
• Clamping Voltage @ Ipp: 77.4V
• Peak Pulse Current: 10A
• Power Dissipation (Max): 600W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4748C/TR13 diode has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

• Provides protection against transient voltage spikes
• Fast response time ensures minimal damage to sensitive components
• Low clamping voltage limits voltage excursion during transient events

Advantages and Disadvantages

Advantages

• Effective suppression of voltage transients
• Compact size for space-constrained applications
• Wide operating temperature range

Disadvantages

• Limited peak pulse current handling compared to some larger diode options
• Higher clamping voltage compared to some specialized diodes

Working Principles

The SMBJ4748C/TR13 operates by diverting excess voltage away from sensitive components in a circuit when a transient event occurs. When the voltage exceeds the breakdown voltage, the diode conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

This diode is commonly used in various electronic systems such as power supplies, communication equipment, automotive electronics, and industrial control systems to protect against voltage surges induced by lightning, ESD, or other transient events.

Detailed and Complete Alternative Models

• SMBJ5.0A: Similar characteristics but with a higher breakdown voltage
• SMBJ33CA: Lower breakdown voltage and clamping voltage for more sensitive applications
• SMBJ48A: Higher peak pulse current handling capability for more demanding environments

In conclusion, the SMBJ4748C/TR13 diode is a reliable and compact solution for voltage suppression in electronic circuits, offering fast response times and effective protection against transient voltage spikes. Its wide application field plans make it a versatile choice for various electronic systems.

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