SMBJ33HE3/52

Product Overview

The SMBJ33HE3/52 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 clamp transient voltages to a safe level, thereby protecting sensitive components from damage. The SMBJ33HE3/52 is typically packaged in a compact, surface-mount package and is available in various quantities to suit different application needs.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection in Electronic Circuits
• Characteristics: Rapid Clamping of Transient Voltages, Surface-Mount Package
• Package: SMB (DO-214AA)
• Essence: Protecting Sensitive Components from Voltage Surges
• Packaging/Quantity: Available in Tape and Reel Packaging, Various Quantities

Specifications

• Voltage - Reverse Standoff (Typ): 33V
• Voltage - Breakdown (Min): 36.7V
• Voltage - Clamping (Max) @ Ipp: 53.3V
• Current - Peak Pulse (10/1000µs): 30.6A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ33HE3/52 TVS diode typically features a standard pin configuration with two terminals for connection to the circuit. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The functional features of the SMBJ33HE3/52 include: - Rapid clamping of transient voltages to protect downstream components - Low clamping voltage to minimize stress on protected circuits - Compact surface-mount package for easy integration into circuit designs - High peak pulse current capability for robust surge protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Compact form factor for space-constrained applications
• High peak pulse current handling capability

Disadvantages

• Limited to specific voltage and current ratings
• May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

The SMBJ33HE3/52 operates based on the principle of zener breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage. This effectively diverts excess current away from sensitive components, limiting the voltage to a safe level.

Detailed Application Field Plans

The SMBJ33HE3/52 finds extensive use in various application fields, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

In these fields, the TVS diode serves to protect sensitive semiconductor devices from voltage transients induced by lightning, ESD, or switching events.

Detailed and Complete Alternative Models

For applications requiring different voltage or current ratings, alternative models to the SMBJ33HE3/52 include: - SMBJ5.0A: 5V Reverse Standoff Voltage, 9.2A Peak Pulse Current - SMBJ15CA: 15V Reverse Standoff Voltage, 25.8A Peak Pulse Current - SMBJ58A: 58V Reverse Standoff Voltage, 93.6A Peak Pulse Current

These alternative models cater to a wide range of surge protection requirements in diverse electronic systems.

In conclusion, the SMBJ33HE3/52 transient voltage suppressor diode offers effective surge protection in a compact form factor, making it an essential component in safeguarding electronic circuits from damaging voltage transients.

Word Count: 515