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SMCJ85C - English Editing Encyclopedia Entry
Product Overview
Category
The SMCJ85C belongs to the category of transient voltage suppressor (TVS) diodes.
Use
It is used for protecting sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
Characteristics
- Voltage Suppression: Provides protection against voltage spikes and surges.
- Fast Response Time: Rapidly clamps transient voltages to a safe level.
- Low Clamping Voltage: Ensures minimal stress on protected circuits.
- High Surge Current Capability: Can handle high surge currents without degradation.
Package
The SMCJ85C is typically available in a surface-mount package, such as SMC (DO-214AB), and is compatible with automated assembly processes.
Essence
The essence of the SMCJ85C lies in its ability to safeguard electronic components from transient voltage events, thereby enhancing the reliability and longevity of electronic systems.
Packaging/Quantity
It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 85V
- Peak Pulse Power: 1500W
- Breakdown Voltage: 94.4V to 105V
- Operating Temperature Range: -55°C to 150°C
- Package Type: SMC (DO-214AB)
Detailed Pin Configuration
The SMCJ85C TVS diode typically features two pins, with the anode and cathode connections clearly marked on the device's packaging and datasheet.
Functional Features
- Transient Voltage Suppression: Quickly clamps transient voltages to protect downstream components.
- Low Leakage Current: Minimizes power consumption during normal operation.
- Robust Construction: Withstands multiple transient events without degradation.
Advantages and Disadvantages
Advantages
- Effective protection against transient voltage events.
- Fast response time.
- Low clamping voltage.
- High surge current capability.
Disadvantages
- May exhibit some capacitance, affecting high-frequency signal integrity.
- Requires careful consideration of placement and layout for optimal performance.
Working Principles
The SMCJ85C operates by diverting excess transient energy away from sensitive components, limiting the voltage across the protected circuit to a safe level. When a transient event occurs, the TVS diode rapidly switches into a low impedance state, shunting the excess energy to ground.
Detailed Application Field Plans
The SMCJ85C is widely used in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Industrial Control Systems: Safeguarding control circuitry from ESD events. - Automotive Electronics: Shielding sensitive automotive electronics from voltage transients.
Detailed and Complete Alternative Models
Some alternative models to the SMCJ85C include: - P6KE85CA: A through-hole TVS diode with similar electrical characteristics. - 1.5SMC85CA: Surface-mount TVS diode offering comparable transient voltage suppression capabilities.
In conclusion, the SMCJ85C transient voltage suppressor diode offers effective protection against transient voltage events, making it an essential component in ensuring the reliability and longevity of electronic systems across various industries.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ85C v technických řešeních
What is the maximum peak pulse power of SMCJ85C?
- The maximum peak pulse power of SMCJ85C is 1500 watts for a 10/1000μs waveform.
What is the breakdown voltage of SMCJ85C?
- The breakdown voltage of SMCJ85C is typically 94.4 volts at 1mA.
What is the operating temperature range of SMCJ85C?
- The operating temperature range of SMCJ85C is -55°C to +150°C.
What is the typical clamping voltage of SMCJ85C?
- The typical clamping voltage of SMCJ85C is 137 volts at 58.9A.
What are the applications of SMCJ85C in technical solutions?
- SMCJ85C is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and power supplies.
What is the response time of SMCJ85C?
- The response time of SMCJ85C is very fast, typically less than 1 picosecond.
Does SMCJ85C require any external components for proper operation?
- SMCJ85C does not require any external components for its basic operation, but it may be used in conjunction with other circuitry for specific applications.
Is SMCJ85C RoHS compliant?
- Yes, SMCJ85C is RoHS compliant, making it suitable for use in environmentally conscious designs.
What is the package type of SMCJ85C?
- SMCJ85C is available in a surface mount DO-214AB (SMC) package.
Can SMCJ85C be used for overvoltage protection in automotive applications?
- Yes, SMCJ85C can be used for overvoltage protection in automotive applications, providing reliable protection against transient voltage events.