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Best bjt transistors – The Winners!
List of Top 10 Best bjt transistors In Detailed
SaleBestseller No. 1
6pcs 2A 5V Charge Discharge Integrated Module 3.7V 4.2V for 18650 Lithium Battery Charging Boost Mobile Power Protection PCB Board Module
- MCU users, if you accept a small load KEY can be connected to the microcontroller about 20s to provide a low level allows the module to continue working. Trigger mode: low level trigger (ground)
- 4 in 1 Charging / Discharging / Lithium Battery Protection / Battery Level Indicator Module. Lithium battery protection function: over-current, overvoltage, over-temperature, short circuit protection
- In discharge mode (The charging mode KEY function is invalid), trigger the KEY port once to open the output; continuously trigger the KEY port twice to close the output
- The first time the load is connected, the output is automatically turned on. If the load is less than 50mA, the output will be automatically turned off after 30 seconds; if the load is greater than 50mA, the output will be automatically turned on
- Allow discharge while charging. (Note: At this time output voltage 4.7 / 5V)
SaleBestseller No. 2
Comidox 15KV Boost High Voltage Generator High Frequency Transformer Inverter Arc Igniter Coil Module Disassembled Parts for DIY Use 2Sets(Include PCB Board)
- This kit is made for the booster coil and has a professional circuit diagram for the convenience of electronics enthusiasts.1 set of list：PCB Board/120 ohm resistance/UF4007 ultra-fast recovery diode/N20 transistor/Heat sink/M3 * 6 screws/Boat switch/Pin header (3-8 Pin random)
- Uses: Chinese-language general experiments, electronic instruments, negative ion generators, scientific small production, etc. This circuit works with a stable high-frequency arc, which is extremely high in temperature and can easily ignite combustibles. Therefore, it is called a plasma lighter.
- Transformer structure: The transformer has two windings in the primary, one set of thick copper wire is the main winding, one set of thin copper wire is the feedback winding, and the secondary output is high voltage. In the transformer, two thick and thin copper wires are wound together, which are the main winding tail and the feedback winding head, respectively, connected to the positive pole of the power supply.
- Before welding the transformer, it is necessary to scrape off the welded portion of the coating and the covered wire tip with a blade and then solder. After successful production, the transformer must be potted with epoxy or insulating wax for long-term use. The maximum output of the transformer is designed to be 15KV, and the maximum output must not exceed 15KV, which is 1.5cm arc.
- The kit has an input voltage of 3.7V. That is, the voltage of the 18650 battery, if you need to increase the input voltage (maximum increase to 12V), you need to increase the resistance of the feedback resistor (package resistance is 120 ohms), otherwise the triode is easy to burn out. The feedback resistance is increased to approximately 150 Ω to 1.5 K Ω. Resistance should be adjusted from large to small. It should not be too small.
SaleBestseller No. 3
0-5V/0-10V Converter Module Analog Input Voltage to 0-100% PWM Signal 2KHZ-20KHZ
- Main Function: This module is used to convert 0-10V into 0-100% 2KHZ PWM signal; output frequency can be set by adjusting potentiometer as needed.
- PWM : There are two kinds of PWM signal, PNP-PWM output and NPN-PWM output;the PNP-PWM output is only 5V level, NPN-PWM output is 5V and 24V level.
- Different Ratios: PWM signal and voltage can be direct ratio(positive phase output) or inverse ratio (negative phase output).
- Frequency Range : PWM signal frequency range of this pulse module is 2KHZ-20KHZ, maximum is 20KHZ, default minimum is 2KHZ.
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