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SMF4L45A - Product Overview and Specifications
Introduction
The SMF4L45A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for surge protection in electronic circuits to safeguard against voltage spikes and transients. This entry provides an overview of the SMF4L45A, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Transient Voltage Suppressor Diode
- Use: Surge protection in electronic circuits
- Characteristics: Fast response time, low clamping voltage, high surge current capability
- Package: SMA package
- Essence: Protection against voltage spikes and transients
- Packaging/Quantity: Typically available in reels of 3000 units
Specifications
- Part Number: SMF4L45A
- Peak Pulse Power: 400W
- Standoff Voltage: 45V
- Breakdown Voltage: 50V
- Clamping Voltage: 77.4V at 10A
- Operating Temperature Range: -55°C to +150°C
- Storage Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SMF4L45A diode has a standard SMA package with two pins. Pin 1 is the cathode, and pin 2 is the anode.
Functional Features
- Fast response time
- Low clamping voltage
- High surge current capability
- RoHS compliant
Advantages and Disadvantages
Advantages
- Effective surge protection
- Fast response to transient events
- Compact and easy to integrate into circuit designs
Disadvantages
- Limited power dissipation capability
- May require additional components for comprehensive surge protection
Working Principles
The SMF4L45A operates by diverting excess transient current away from sensitive electronic components when a voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.
Detailed Application Field Plans
The SMF4L45A is widely used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial automation systems - Automotive electronics - Power supplies
Detailed and Complete Alternative Models
- Alternative Model 1: SMF5.0A
- Standoff Voltage: 5.0V
- Peak Pulse Power: 200W
- Alternative Model 2: SMF6.8A
- Standoff Voltage: 6.8V
- Peak Pulse Power: 300W
- Alternative Model 3: SMF10A
- Standoff Voltage: 10V
- Peak Pulse Power: 400W
In conclusion, the SMF4L45A transient voltage suppressor diode offers effective surge protection with its fast response time and low clamping voltage. Its compact design makes it suitable for various electronic applications, although it may require additional components for comprehensive surge protection in high-power environments.
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What is SMF4L45A?
- SMF4L45A is a transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
What is the maximum peak pulse power of SMF4L45A?
- The maximum peak pulse power of SMF4L45A is 400 watts for an 8/20 µs waveform.
What is the breakdown voltage of SMF4L45A?
- The breakdown voltage of SMF4L45A is 45 volts.
What are the typical applications of SMF4L45A?
- SMF4L45A is commonly used in telecommunications equipment, consumer electronics, industrial automation, and automotive electronics to protect against voltage transients.
What is the operating temperature range of SMF4L45A?
- The operating temperature range of SMF4L45A is -55°C to +150°C.
Does SMF4L45A comply with RoHS requirements?
- Yes, SMF4L45A is compliant with RoHS (Restriction of Hazardous Substances) requirements.
What is the package type of SMF4L45A?
- SMF4L45A is available in a SOD-123FL package.
Is SMF4L45A suitable for high-speed data lines?
- Yes, SMF4L45A is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
What is the clamping voltage of SMF4L45A?
- The clamping voltage of SMF4L45A is typically 58.1 volts at 10A.
Can SMF4L45A be used in outdoor applications?
- Yes, SMF4L45A can be used in outdoor applications due to its ability to withstand transient voltage events such as lightning strikes.