SMBJ40CA-M3/5B

Product Overview

Category

The SMBJ40CA-M3/5B belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Fast response time
• Low clamping voltage
• High surge current capability
• RoHS compliant

Package

The SMBJ40CA-M3/5B is available in a DO-214AA (SMB) package.

Essence

The essence of the SMBJ40CA-M3/5B lies in its ability to provide robust protection against transient voltage events, thereby safeguarding electronic circuits and components.

Packaging/Quantity

The SMBJ40CA-M3/5B is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

• Standoff Voltage: 36.8V
• Breakdown Voltage: 40.9V
• Maximum Clamping Voltage: 58.9V
• Peak Pulse Current: 30A
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ40CA-M3/5B has two pins, anode, and cathode, which are denoted by the A and K symbols on the device, respectively.

Functional Features

• Bi-directional TVS diode
• Low incremental surge resistance
• High temperature stability

Advantages

• Provides effective protection against transient voltage events
• Fast response time ensures minimal impact on the protected circuit
• RoHS compliant, making it environmentally friendly

Disadvantages

• May exhibit leakage current at high temperatures
• Limited to specific voltage ranges

Working Principles

When a transient voltage event occurs, the SMBJ40CA-M3/5B rapidly conducts excess current away from the protected circuit, clamping the voltage to a safe level and preventing damage to downstream components.

Detailed Application Field Plans

The SMBJ40CA-M3/5B is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• SMBJ36CA-M3/5B: Standoff Voltage: 32.2V, Breakdown Voltage: 36V
• SMBJ48CA-M3/5B: Standoff Voltage: 43.6V, Breakdown Voltage: 48.1V
• SMBJ58CA-M3/5B: Standoff Voltage: 52.8V, Breakdown Voltage: 58.1V

In conclusion, the SMBJ40CA-M3/5B is a vital component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its application spans across various industries, and it is complemented by alternative models catering to different voltage requirements.

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