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SMDJ40 - Product Overview and Specifications
Introduction
The SMDJ40 belongs to the category of transient voltage suppressor diodes. These diodes are widely used for protecting sensitive electronic components from voltage spikes and transients. The SMDJ40 is designed to provide robust protection against overvoltage events, making it an essential component in various electronic circuits.
Basic Information Overview
- Category: Transient Voltage Suppressor Diode
- Use: Protection against voltage spikes and transients
- Characteristics: Fast response time, high surge capability
- Package: Surface mount
- Essence: Safeguarding electronic components from voltage surges
- Packaging/Quantity: Typically available in reels or tubes containing multiple units
Specifications
- Voltage Rating: 40V
- Peak Pulse Power: 3,000W
- Operating Temperature Range: -55°C to +150°C
- Mounting Type: Surface Mount
- Package / Case: DO-214AB (SMC)
Detailed Pin Configuration
The SMDJ40 typically features a standard surface mount package with two terminals. The pin configuration includes the anode and cathode connections, which are crucial for proper installation and functionality within a circuit.
Functional Features
- Transient Voltage Suppression: Effectively clamps transient overvoltages to a safe level
- Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on downstream components
- High Surge Capability: Capable of withstanding high surge currents without degradation
Advantages and Disadvantages
Advantages
- Reliable protection against voltage transients
- Fast response time
- Compact surface mount package
- High surge capability
Disadvantages
- Limited to specific voltage ratings
- May require additional circuitry for comprehensive overvoltage protection
Working Principles
The SMDJ40 operates based on the principle of avalanche breakdown. When subjected to a voltage surge, the diode rapidly conducts, diverting excess current away from sensitive components. This action effectively limits the voltage across the protected circuit.
Detailed Application Field Plans
The SMDJ40 finds extensive use in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- SMDJ5.0A: 5.0V rating
- SMDJ12A: 12V rating
- SMDJ24CA: 24V rating
- SMDJ58A: 58V rating
In conclusion, the SMDJ40 transient voltage suppressor diode offers reliable protection against voltage transients, making it an indispensable component in modern electronic circuits.
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What is SMDJ40?
- SMDJ40 is a type of surface mount transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.
What is the maximum peak pulse power of SMDJ40?
- The maximum peak pulse power of SMDJ40 is 3000 watts.
What is the breakdown voltage of SMDJ40?
- The breakdown voltage of SMDJ40 is 40 volts.
What are the typical applications of SMDJ40?
- SMDJ40 is commonly used in applications such as telecommunications equipment, industrial electronics, automotive systems, and consumer electronics to protect against voltage transients.
What is the operating temperature range of SMDJ40?
- The operating temperature range of SMDJ40 is -55°C to +150°C.
What is the response time of SMDJ40?
- The response time of SMDJ40 is very fast, typically less than 1 picosecond.
How is SMDJ40 packaged?
- SMDJ40 is typically available in a surface mount package, such as SMB or SMC.
What is the clamping voltage of SMDJ40?
- The clamping voltage of SMDJ40 is the voltage at which it starts to conduct significantly during a transient event and is typically around 64.5 volts.
Can SMDJ40 be used for ESD protection?
- Yes, SMDJ40 can be used for electrostatic discharge (ESD) protection in sensitive electronic circuits.
Is SMDJ40 RoHS compliant?
- Yes, SMDJ40 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive for environmentally friendly manufacturing.