SMCJ78A-HR
Product Overview
The SMCJ78A-HR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ78A-HR is characterized by its high reliability, fast response time, and ability to handle high surge currents. It is typically packaged in a compact, surface-mount package and is available in various quantities per package.
Specifications
- Voltage Rating: 78V
- Peak Pulse Power: 1500W
- Package Type: SMC (DO-214AB)
- Quantity per Package: Varies
Detailed Pin Configuration
The SMCJ78A-HR typically has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.
Functional Features
- Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
- Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
- High Surge Current Capability: Able to handle large surge currents without degradation.
Advantages and Disadvantages
Advantages
- Reliable protection against voltage transients
- Fast response time
- Compact surface-mount package
Disadvantages
- Limited to specific voltage ratings
- May require additional circuitry for comprehensive overvoltage protection
Working Principles
The SMCJ78A-HR operates by diverting excess voltage away from sensitive components when a transient event occurs. This is achieved through the rapid conduction of the diode, which effectively limits the voltage across the protected circuit.
Detailed Application Field Plans
The SMCJ78A-HR is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
- SMCJ5.0A-HR: 5V rating, suitable for low-voltage applications
- SMCJ24A-HR: 24V rating, ideal for medium-power circuits
- SMCJ130A-HR: 130V rating, for high-voltage protection requirements
In conclusion, the SMCJ78A-HR transient voltage suppressor diode offers reliable protection against voltage transients in a compact and efficient package. Its fast response time and high surge current capability make it a valuable component in various electronic systems.
[Word Count: 306]
기술 솔루션에 SMCJ78A-HR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure, here are 10 common questions and answers related to the application of SMCJ78A-HR in technical solutions:
What is the maximum peak pulse current for SMCJ78A-HR?
- The maximum peak pulse current for SMCJ78A-HR is 3000A.
What is the breakdown voltage of SMCJ78A-HR?
- The breakdown voltage of SMCJ78A-HR is 78V.
Can SMCJ78A-HR be used for overvoltage protection in power supplies?
- Yes, SMCJ78A-HR can be used for overvoltage protection in power supplies due to its high breakdown voltage and peak pulse current capabilities.
Is SMCJ78A-HR suitable for surge protection in communication equipment?
- Absolutely, SMCJ78A-HR is well-suited for surge protection in communication equipment, providing reliable protection against transient voltage spikes.
What is the response time of SMCJ78A-HR during a transient event?
- The response time of SMCJ78A-HR is very fast, typically responding to transient events in nanoseconds.
Can SMCJ78A-HR be used in automotive electronics for ESD protection?
- Yes, SMCJ78A-HR can be effectively used in automotive electronics for ESD protection, safeguarding sensitive components from electrostatic discharge.
What is the operating temperature range of SMCJ78A-HR?
- The operating temperature range of SMCJ78A-HR is -55°C to +150°C, making it suitable for a wide range of environments.
Does SMCJ78A-HR require any external components for proper operation?
- SMCJ78A-HR does not require any external components for basic operation, but additional circuitry may be needed for specific applications.
Can SMCJ78A-HR be used in high-reliability industrial systems?
- Yes, SMCJ78A-HR is designed for high-reliability applications and can be used in industrial systems where robust transient protection is required.
What are the typical package dimensions of SMCJ78A-HR?
- The typical package dimensions of SMCJ78A-HR are 5.3mm x 6.86mm, with a height of 2.8mm, making it suitable for compact designs.
I hope these questions and answers are helpful for your technical solutions involving SMCJ78A-HR! If you have any more questions, feel free to ask.