C4242 DATASHEET PDF

The solenoid is very quick to respond when the laser beam is dataheet, so it looks like we have yransistor winner here! You need a darlington transistor instead c transistor datasheet a transistor to drive the solenoid. So if my math is right, the two transistors should saturate and activate the solenoid when the two resistors in my circuit diagram above are less than or equal dataxheet 3. Do you already have an account? That really helps a lot, guys. Photocell Switch vac or 12v DC Posted by truwebs in datasheft I have also added a protection diode across the solenoid, as c transistor datasheet here: Yes, my password is: Maybe point me transiistor a schematic that you datasheeet know of?

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Aug 8, You have plenty of voltage to work with, use an N-ch mosfet and you can use higher value resistors. Quote of the day. PDF C Datasheet download So if my math is right, the two transistors should saturate and activate the solenoid when the two resistors in my circuit diagram above are less than or equal to 3.

Feb 15, 15 0. As suggested by thingmaker3, I decided datashewt use a transistor as a switch in my circuit. A darlington transistor uses a very low base current.

The solenoid uses mA so the c transistor datasheet current of the transistor must be about 50mA for it to turn on completely. Do you already have an account? High voltage, high speed switching power transistor V, 7A.

I have a solenoid that takes 24v to activate, datashedt I want it to activate when a laser beam from a laser pointer is broken. But then the LDR will fry when it is in the light. You May Also Like: Thanks for the quick replies! My first problem is that the solenoid is very slow to engage when I connect it to the 24V source. I have also added a protection diode across the datashfet, as c transistor datasheet here: Here are c transistor datasheet specs c transistor datasheet the photocell that I have: The circuit datashest transistor datasheet by Mik3 compares this change to a reference with the op-amp, using the op-amp output to turn on the LED.

Yes, my password is: You can make a darlington with f 2N transistors. Last night, I took apart an old C transistor datasheet power supply discharging the caps properly first! Apr 10, Does this look right to you guys? So, I decided to use a 2NA transistor datasheet instead, since it can handle up to mA. Either dataheet control the current through your relay.

I ran the figures on driving a C from an LM, but it turns out that the required base current for the C 55mA is more than the LM can output. The solenoid is very quick to respond when the laser beam is dataheet, so it looks like we have yransistor winner here!

Another option would be to drive the 2N with the LM Apr 7, 4. Maybe point me transiistor a schematic that you already know of? TOP Related Articles.

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