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SMAJ85AHE3/5A
Product Overview
Category
The SMAJ85AHE3/5A belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.
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
Package
The SMAJ85AHE3/5A is typically available in a DO-214AC (SMA) package.
Essence
The essence of the SMAJ85AHE3/5A lies in its ability to quickly divert excessive voltage away from sensitive components, thereby safeguarding them from damage.
Packaging/Quantity
It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 85V
- Breakdown Voltage: 94.4V
- Maximum Clamping Voltage: 137V
- Peak Pulse Current: 19.8A
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMAJ85AHE3/5A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Bi-directional TVS diode
- Low incremental surge resistance
- High temperature stability
Advantages
- Provides robust protection against transient voltage events
- Fast response time ensures minimal impact on the protected circuit
- Wide operating temperature range allows for versatile application
Disadvantages
- May require additional circuitry for comprehensive overvoltage protection
- Limited to specific voltage ratings
Working Principles
When a transient voltage event occurs, the SMAJ85AHE3/5A conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.
Detailed Application Field Plans
The SMAJ85AHE3/5A is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the SMAJ85AHE3/5A include: - P6KE85A - 1.5KE85A - SA85A
In conclusion, the SMAJ85AHE3/5A is a crucial component in protecting electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its application spans across various industries, making it an essential part of modern electronic systems.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ85AHE3/5A v technických řešeních
What is SMAJ85AHE3/5A?
- SMAJ85AHE3/5A is a surface mount, bidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of SMAJ85AHE3/5A?
- The maximum peak pulse power of SMAJ85AHE3/5A is 400 watts for an 8/20 µs waveform.
What is the breakdown voltage of SMAJ85AHE3/5A?
- The breakdown voltage of SMAJ85AHE3/5A is 85V.
What are the typical applications of SMAJ85AHE3/5A?
- SMAJ85AHE3/5A is commonly used in telecommunications equipment, consumer electronics, industrial automation, and automotive electronics to protect against transient voltage events.
What is the operating temperature range of SMAJ85AHE3/5A?
- The operating temperature range of SMAJ85AHE3/5A is -55°C to +150°C.
What is the response time of SMAJ85AHE3/5A?
- The response time of SMAJ85AHE3/5A is very fast, typically responding within nanoseconds to clamp transient voltages.
How should SMAJ85AHE3/5A be mounted on a PCB?
- SMAJ85AHE3/5A should be mounted using appropriate soldering techniques and placed as close as possible to the input/output terminals of the circuit it is protecting.
What are the key features of SMAJ85AHE3/5A?
- Some key features of SMAJ85AHE3/5A include low clamping voltage, high surge capability, and compatibility with automated placement equipment.
Can SMAJ85AHE3/5A be used in high-speed data lines?
- Yes, SMAJ85AHE3/5A can be used to protect high-speed data lines such as USB, Ethernet, and HDMI interfaces.
Is SMAJ85AHE3/5A RoHS compliant?
- Yes, SMAJ85AHE3/5A is RoHS compliant, making it suitable for use in environmentally conscious designs.