SMLJ28CA Diode: Encyclopedia Entry
Introduction
The SMLJ28CA diode is a crucial component in the field of electronics and electrical engineering. This encyclopedia entry aims to provide a comprehensive overview of the SMLJ28CA diode, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
Product Overview
Category
The SMLJ28CA diode belongs to the category of transient voltage suppressor (TVS) diodes.
Use
It is primarily used for surge protection in electronic circuits, providing a safeguard against voltage spikes and transients.
Characteristics
- High surge capability
- Low clamping voltage
- Fast response time
- Compact package size
Package
The SMLJ28CA diode is typically available in a DO-214AB (SMC) package.
Essence
The essence of the SMLJ28CA diode lies in its ability to efficiently divert transient currents away from sensitive components, thereby protecting them from damage.
Packaging/Quantity
These diodes are commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
The SMLJ28CA diode typically exhibits the following specifications: - Standoff Voltage: 28V - Breakdown Voltage: 31.1V - Peak Pulse Power: 3,000W - Operating Temperature Range: -55°C to 150°C - Reverse Standoff Voltage: 25.2V - Maximum Clamping Voltage: 45.7V
Detailed Pin Configuration
The SMLJ28CA diode features a straightforward pin configuration, with two terminals for connection. The anode terminal is denoted by the ‘A’ symbol, while the cathode terminal is marked with the ‘K’ symbol.
Functional Features
- Surge Protection: The diode effectively clamps transient voltages to safe levels, shielding downstream components.
- Fast Response: It responds rapidly to voltage surges, minimizing the risk of damage to connected devices.
- High Surge Capability: Capable of handling high surge currents, making it suitable for demanding applications.
Advantages and Disadvantages
Advantages
- Effective surge protection
- Fast response time
- Compact form factor
Disadvantages
- Limited to low voltage applications
- May require additional circuitry for comprehensive protection in complex systems
Working Principles
The SMLJ28CA diode operates on the principle of avalanche breakdown, where it rapidly conducts once the voltage exceeds the breakdown threshold, diverting excess current away from the protected circuit.
Detailed Application Field Plans
The SMLJ28CA diode finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Several alternative models to the SMLJ28CA diode include: - P6KE27CA - 1.5KE30CA - SMBJ28CA - SMAJ28CA
In conclusion, the SMLJ28CA diode serves as a critical component in safeguarding electronic circuits from voltage transients, offering fast response times and high surge capabilities. Its compact design and efficient surge protection make it a valuable asset in diverse electronic applications.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMLJ28CA i tekniska lösningar
What is the SMLJ28CA?
- The SMLJ28CA is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.
What is the maximum clamping voltage of the SMLJ28CA?
- The maximum clamping voltage of the SMLJ28CA is 45.4 volts at 10A.
What is the peak pulse current rating of the SMLJ28CA?
- The peak pulse current rating of the SMLJ28CA is 300A for an 8/20µs waveform.
What are the typical applications of the SMLJ28CA?
- The SMLJ28CA is commonly used in surge protection for telecommunications equipment, power supplies, industrial controls, and automotive electronics.
What is the breakdown voltage of the SMLJ28CA?
- The breakdown voltage of the SMLJ28CA is 31.1 volts.
What is the operating temperature range of the SMLJ28CA?
- The SMLJ28CA has an operating temperature range of -55°C to +150°C.
How does the SMLJ28CA provide overvoltage protection?
- The SMLJ28CA diverts excessive current away from sensitive components by clamping the voltage to a safe level during transient events.
Is the SMLJ28CA suitable for high-speed data lines?
- Yes, the SMLJ28CA is suitable for protecting high-speed data lines such as Ethernet, USB, and HDMI interfaces.
What package type is the SMLJ28CA available in?
- The SMLJ28CA is available in a DO-214AB (SMC) package.
Can the SMLJ28CA be used in outdoor applications?
- Yes, the SMLJ28CA can be used in outdoor applications, but proper environmental protection and sealing should be considered to ensure long-term reliability.