The BA5936S is a 6-channel BTL driver developed for use as the sled motor, spindle motor, actuator, and loading motor driver for CD players. It contains a current limiting function…
Transistor JFET 2SK596.You can find such a transistor in electret microphones.Disassemble the microphone and there it will be or its analogue 2sk1227. Pay attention to the drain current, it is…
NPN Epitaxial silicon transistor Darlington KSP13.Has a large Hfe Collector-Emitter Voltage 30V Collector Current 500mA Current Gain Bandwidth Product 125 MHz Emitter-Base Voltage 10V Collector Power Dissipation 625 mW Collector-Base…
2SA1271 is a low-power transistor of the pnp structure.The inscription on the case is A1271 Collector-emitter voltage 30V Collector current 800mA Transition frequency 120 MHz Output capacitance 19pF Power dissipation…
With this simple radio transmitter, you can go on the air at a frequency of 27 MHz.The modulation is amplitude, the output power at a load of 50 ohms is…
I will disassemble the Rolsen RPD-9D03T DVD player for spare parts and see what radio components are used in it. The remote control is made on a case-free chip The…
On the electronic circuits, you can see that two diodes are connected in counter-parallel.This can be seen in the high frequency amplifier circuit of the radio receiver.Why are they doing…
In the electrical diagrams you can see that the diode is connected in parallel to the relay coil, the cathode of the diode is connected to the positive terminal.This is…
The SH69P26 is a single-chip 4-bit microcontroller. This device integrates a SH6610D CPU core, 6K words of OTPROM, 389 nibbles of RAM, to 8-bit timer/counter and one 16-bit timer/counter, comparator,…
With this pulse metal detector you will be able to find metal, including non-ferrous metal.This is a pulse metal detector (pulse induction PI), which has a good detection depth. A…
I got a multicooker RMC-M150 for spare parts, let's see what you can get out of it. Power board.It contains a power supply and two 0103wn thyristors controlled by two…
Mosfet transistor 2sk3570,n-channel.Such a transistor can often be found on old motherboards.There is a protective diode between the gate and the source.Low gate charge.Here are its characteristics: Drain to source…
With the help of a laser pointer and a sensitive amplifier, you can conduct an interesting experiment.Install a sound source near the glass, it can be a radio receiver, etc.If…
In this article I will tell you how to make a very sensitive directional microphone, with which you can pick up weak sounds and listen to them.The microphone consists of…
This device is needed for a smooth start of halogen lamps at 12 Volts, so that they do not fail quickly and work longer.The device is made on an NTC…
With this device, you can adjust the brightness of a powerful halogen lamp at a voltage of 12 volts.The device uses pulse-width modulation, so the key-field transistor will not get…
n-channel logic level mosfet transistor p45n02ld. Drain-source breakdown voltage-25V Gate-source voltage+/-20V Gate treshold voltage-0.8...2.5V Drain current-45A Rds 20-30 mOhm input capacitance- 600 pF output capacitance-290pF
While analyzing the car alarm system, I found an interesting sensor made on a piezoelectric element to which a spring is connected.As you know, if you compress the piezoelectric emitter…
In this article I will tell you how to make 10 simple relay devices.Basically, I will use the relay number 1, relays 2 and 3 will be in two circuits.…
With the help of this high-frequency generator, it is possible to set fire to paper or melt small pieces of metal from the fire of an antenna or one wire.…