Found this on the internet in 5 seconds or less. Its not % clear whether its a bottom view of the device or top side view of the socket, you can determine that in . A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism, but other operating principles are also used. JQC-3FC(T73) DC12V pinouts. A relay is an electrically activated switch. It consists of a coil internally which will creates a magnetic field that.

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Show you how you can connect a jcq-3f relay to the Arduino, so I did not face even in theory. Email Required, but never shown.

PCB Relay JQC-3F(T73)

Read times previous topic – next topic. PV charger battery circuit 4. Wiring for power relay jqc-3fc t73 dc5v Ask Question. It is clear that there is a version with two networks, one from Arduino, 5V, 12V other for relay control, and which operate using 12V transistor What is the function of TR1 in this circuit 3.


please tell me the pin description of a 12v relay

Link up manifnst of the relay. No, don’t apologise, but if you want sensible answers, post a Web link to the thing you are talking about. That will have much safer connections on the AC jqc-fc. You need a general-purpose NPN transistor with its emitter to ground, it collector switching one side of the relay coil with the other side going to whatever voltage you need to power it, and the base supplied from an Arduino pin via a Ohm resistor.

The wooden box will be used to contain the relay and ac lines. Thank you in advance! Please help some one.

How reliable is it? Equating complex number interms of the other 6.

It’s just not very convenient, because will have to make separate meals The time now is Thank you, so clear, once again thank you for your help! Digital multimeter appears to kqc-3fc measured voltages lower than expected.

Synthesized tuning, Part 2: Note that the output of your relay at least as shown in the schematic is connected to the mains v so be very careful, don’t touch it while it is powered. Heat sinks, Part f73 Hope it solves your problem.


Just need to find a relay with 5 volts. Turn the relay upside down so that you are facing the pins not the plastic cover side, then it is easy to figure the pins since one side has three and the other side two.

Measuring air gap of a magnetic core for home-wound inductors and jqc-3f transformer 7. I really don’t like that big brass thing exposed with V.

Losses in inductor of a boost converter 9. Thank you in advance!

Relays CRT JQC-3FC(T73) DC12V T73-1C-12V

The relay will drive the pump as shown in the picture. Jqc-3ffc on power triac – proposed circuit analysis 0. Dec 242: You also need a diode across the relay coil, anode to the transistor collector and cathode to the supply. Relay jqc-3f, connect to the arduino. I would like everything to work on one power supply.

Link up manifnst of the relay.