SMBJ150-E3/5B

Product Overview

The SMBJ150-E3/5B belongs to the category of transient voltage suppressor diodes. These diodes are designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. The SMBJ150-E3/5B is characterized by its high surge capability, low clamping voltage, and fast response time. It is available in a compact package, making it suitable for various applications where space is limited. Each package contains a specified quantity of diodes.

Specifications

• Part Number: SMBJ150-E3/5B
• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: SMB (DO-214AA)
• Essence: Silicon junction diode
• Packaging/Quantity: Tape & Reel, 1800 units per reel

Detailed Pin Configuration

The SMBJ150-E3/5B features a standard DO-214AA package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excess current away from sensitive components.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, reducing the risk of overvoltage damage.

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Compact package size

Disadvantages: - Limited power dissipation capability compared to larger devices - Higher clamping voltage compared to some specialized diodes

Working Principles

The SMBJ150-E3/5B operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess current away from the protected circuit. This action limits the voltage across the circuit, safeguarding sensitive components.

Detailed Application Field Plans

The SMBJ150-E3/5B is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ5.0A-E3/52: Similar characteristics with a lower standoff voltage
• SMBJ170A-E3/52: Higher surge capability with similar package and characteristics
• SMBJ15CA-E3/52: Higher clamping voltage but higher power dissipation capability

In conclusion, the SMBJ150-E3/5B transient voltage suppressor diode offers effective protection against voltage transients in a compact package. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although it may have limitations in high-power scenarios. Alternative models with varying specifications are available to suit specific application requirements.