SMBJ40-E3/52

Product Overview

The SMBJ40-E3/52 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMBJ40-E3/52 is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a DO-214AA (SMB) package and is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Part Number: SMBJ40-E3/52
• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AA (SMB)
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Detailed Pin Configuration

The SMBJ40-E3/52 follows the standard pin configuration for DO-214AA (SMB) package diodes, with two pins for connection to the circuit.

Functional Features

• Voltage Suppression: Effectively clamps transient voltages to a safe level.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes and transients
• Fast response time
• High surge capability

Disadvantages

• May exhibit some leakage current in normal operation
• Limited to specific voltage and current ratings

Working Principles

The SMBJ40-E3/52 operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit when a transient event occurs. This prevents the voltage from reaching damaging levels and protects the connected components.

Detailed Application Field Plans

The SMBJ40-E3/52 is widely used in various electronic systems and equipment where protection against voltage surges is critical. Some common application fields include: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ40-E3/52 include: - SMBJ36CA: Similar characteristics with a slightly lower clamping voltage - SMBJ48A: Higher clamping voltage but with similar surge capability - SMBJ60C: Higher surge capability with a marginally higher clamping voltage

In conclusion, the SMBJ40-E3/52 transient voltage suppressor diode offers effective protection against voltage spikes and transients, making it an essential component in various electronic systems and equipment.

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