SMBJ40-E3/5B

Product Overview

The SMBJ40-E3/5B 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-E3/5B is known for its high reliability, fast response time, and compact package, making it suitable for a wide range of applications. It is available in a variety of packaging options and quantities to meet different industry requirements.

Category

Transient Voltage Suppressor Diode

Use

The SMBJ40-E3/5B is used to protect electronic circuits from voltage surges and transients, ensuring the safety and longevity of sensitive components.

Characteristics

• High reliability
• Fast response time
• Compact package
• Wide operating voltage range

Package

The SMBJ40-E3/5B is available in various packages such as DO-214AA (SMB) and DO-214AB (SMC), providing flexibility for different mounting and assembly processes.

Essence

The essence of the SMBJ40-E3/5B lies in its ability to quickly divert excessive voltage away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMBJ40-E3/5B is typically supplied in reels or tape and reel packaging, with quantities ranging from hundreds to thousands per reel, depending on the manufacturer's specifications.

Specifications

• Standoff Voltage: 40V
• Breakdown Voltage: 44.4V
• Clamping Voltage: 64.5V
• Peak Pulse Current: 10A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ40-E3/5B follows a standard pin configuration for diodes, with two leads for connection to the circuit board. The anode and cathode terminals are clearly marked for easy identification during installation.

Functional Features

• Fast response to transient voltage spikes
• Low clamping voltage to protect downstream components
• High surge current capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Reliable protection against voltage transients
• Compact size for space-constrained applications
• Wide operating temperature range
• RoHS compliance for environmental sustainability

Disadvantages

• Limited to lower voltage applications
• May require additional circuitry for higher power handling

Working Principles

When a voltage transient occurs, the SMBJ40-E3/5B rapidly conducts excess current to ground, limiting the voltage across the protected circuit. This action prevents damage to sensitive components by diverting the surge energy away from the system.

Detailed Application Field Plans

The SMBJ40-E3/5B finds extensive use in various applications, including: - Telecommunications equipment - Industrial automation systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ36CA: Standoff Voltage: 36V, Breakdown Voltage: 40V, Clamping Voltage: 58.1V
• SMBJ48CA: Standoff Voltage: 48V, Breakdown Voltage: 53.3V, Clamping Voltage: 77V
• SMBJ60CA: Standoff Voltage: 60V, Breakdown Voltage: 66.7V, Clamping Voltage: 96.8V
• SMBJ100CA: Standoff Voltage: 100V, Breakdown Voltage: 111V, Clamping Voltage: 162V

In conclusion, the SMBJ40-E3/5B transient voltage suppressor diode offers reliable protection and fast response to voltage transients, making it an essential component in safeguarding sensitive electronic circuits across various industries.

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