Product Applications
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Super Capacitors
Two Main Applications:
High-power pulse applications and instant power backup. Characteristics of high-power pulse applications: instantaneous high current flow to the load, instant power backup
Application Characteristics:
Requires continuous power supply to the load, typically lasting several seconds or minutes. A typical application of instant power backup: disk drive head reset during power failure. Different applications have different parameter requirements for super capacitors. High-power pulse applications utilize the small internal resistance (R) of super capacitors, while instant power backup utilizes the large electrostatic capacity (C)
Application Fields:
Automotive, trucks, rail transit, new energy buses and passenger vehicles in the transportation industry, providing services such as braking energy recovery, start-stop systems, power assistance, short-term backup power, and peak power assistance
Real-Time Clock Chips (RTC)
Allows a system to synchronize or record events, providing users with an easily understandable time reference. As RTC applications become increasingly widespread, designers should be familiar with RTCs to avoid design issues
Features:
1.High Precision: Very high clock accuracy, precise to seconds or even higher
2.Independent of External Power: Can use internal power sources such as batteries, maintaining time accuracy even when main power is off
3.High Programmability: Can implement various functions through software programming, such as alarms, timed power on/off, etc.
4.Good Versatility: Widely used in various computers, embedded systems, and consumer electronics, meeting needs across different fields
Application Fields:
Scenarios requiring real-time timestamp data, switch quantity timing control, low-power sleep systems, etc., in automotive electronics, IoT, security, water/gas/electricity meters, computers, home appliances, industrial control
NTC Thermistors
Typically, metal resistance increases with temperature. This is because heat intensifies lattice vibrations, reducing the average movement speed of free electrons. In contrast, in semiconductors, free electrons and holes increase due to thermal conduction, and this proportion exceeds the proportion of speed reduction, so resistance decreases. According to different applications, they can be divided into: power-type NTC thermistors, compensation-type NTC thermistors, and temperature measurement-type NTC thermistors
Main Uses:
1. Used as temperature sensors for temperature measurement.
2. In some cases used for soft starting.
Application Fields:
NTC thermistors are widely used in home appliances, automotive, and industrial production equipment for temperature sensing and control due to their high sensitivity, reliability, and low cost.
Varistors
A varistor is a voltage-limiting protection device. Utilizing the nonlinear characteristics of varistors, when overvoltage appears between the two poles of the varistor, the varistor can clamp the voltage to a relatively fixed value, thereby protecting the subsequent circuit.
Features:
1. Better thermal characteristics
2. Fast response speed
3. Stable voltage under over-temperature conditions
4. Low cost
Application Fields:
Can be used in DC power supplies, AC power supplies, low-frequency signal lines, and antenna feeder lines with feed. Their specifications and sizes vary widely from handheld electronic products to industrial equipment. With the widespread use of handheld electronic products, especially mobile phones, laptops, PDAs, digital cameras, medical instruments, etc.
Plug-in Temperature Sensors
Integrated thermal resistance/thermocouple temperature transmitters consist of high-precision, stable temperature sensors (thermal resistance or thermocouple) and two-wire temperature transmitter modules, converting temperature signals into industry-standard 4~20mA signals. Used with display control instruments, they measure and control or automatically regulate the temperature of gas, liquid media, and solid surfaces.
Features:
Wide operating temperature range, corrosion resistance, vibration resistance, low static power consumption, safe and reliable
1. Uses two-wire standard 4~20mA signal output, anti-interference, can transmit over long distances
2. Cold junction compensation and nonlinear correction, output signal has linear relationship with temperature, high precision
3. Can directly display temperature with on-site display head, or used with secondary instruments, can also be directly input to computers or automation control systems
Application Fields:
Widely used in petroleum, chemical, metallurgical, power, environmental protection, food and other fields for temperature monitoring applications.