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SMAJ140CA
Product Overview
- Category: Diode
- Use: Voltage clamping
- Characteristics: Fast response time, low leakage current
- Package: DO-214AC
- Essence: Protecting sensitive electronic components from voltage spikes
- Packaging/Quantity: Available in reels or bulk packaging
Specifications
- Voltage - Reverse Standoff (Typ): 140V
- Voltage - Breakdown (Min): 155V
- Clamping Voltage @ Ipp: 227V
- Peak Pulse Current: 5.8A
- Power Dissipation (Max): 400W
Detailed Pin Configuration
The SMAJ140CA diode has a standard DO-214AC package with two pins. The anode is connected to the positive side and the cathode to the negative side.
Functional Features
- Fast response time to transient over-voltage conditions
- Low clamping voltage to protect sensitive components
- Low leakage current for minimal power loss
Advantages and Disadvantages
- Advantages:
- Effective protection against voltage spikes
- Fast response time
- Low leakage current
- Disadvantages:
- Limited peak pulse current handling capacity
- Higher clamping voltage compared to some alternatives
Working Principles
The SMAJ140CA operates by diverting excess current away from sensitive components when a voltage spike occurs. It acts as a shunt to redirect the surge away from the protected circuitry, thereby preventing damage.
Detailed Application Field Plans
- Telecommunications: Used in communication equipment to protect against lightning-induced surges.
- Automotive: Employed in automotive electronics to safeguard against voltage transients.
- Industrial Control Systems: Integrated into control systems to shield against power supply fluctuations.
Detailed and Complete Alternative Models
- 1. P6SMBJ140CA: Similar specifications with a different package (DO-214AA).
- 2. SMBJ140CA: Lower power dissipation but similar clamping voltage.
This comprehensive entry provides a detailed understanding of the SMAJ140CA diode, including its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ140CA v technických řešeních
What is SMAJ140CA?
- SMAJ140CA is a type of transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.
What is the maximum peak pulse power of SMAJ140CA?
- The maximum peak pulse power of SMAJ140CA is 400 watts for an 8/20µs waveform.
What is the breakdown voltage of SMAJ140CA?
- The breakdown voltage of SMAJ140CA is 140 volts.
What are the typical applications of SMAJ140CA?
- SMAJ140CA is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage transients.
What is the clamping voltage of SMAJ140CA?
- The clamping voltage of SMAJ140CA is 243 volts at 10A.
What is the operating temperature range of SMAJ140CA?
- The operating temperature range of SMAJ140CA is typically -55°C to +150°C.
What is the response time of SMAJ140CA?
- The response time of SMAJ140CA is very fast, typically less than 1 picosecond.
How does SMAJ140CA provide protection against voltage transients?
- SMAJ140CA diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events.
Can SMAJ140CA be used in high-speed data line protection?
- Yes, SMAJ140CA is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
Is SMAJ140CA RoHS compliant?
- Yes, SMAJ140CA is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally conscious applications.