KN2222A TRANSISTOR PDF

TECHNICAL DATA. KN/A. EPITAXIAL PLANAR NPN TRANSISTOR. Revision No: 0. GENERAL PURPOSE APPLICATION. SWITCHING APPLICATION. KNA Description = General Purpose Transistor ;; Package = TO Part Category: Transistors Manufacturer: KEC Corporation Description: Small Signal Bipolar Transistor, A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO -.

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I dont have 2sc so I used 2sc which is about half the spec of your transistor. You can try with any general purpose transistor like 2N or BC The Pixel 2 is on its way, but consumers are still struggling to get their hands on Pixel 1’s.

Dec 29, 1, If the part number on your relay ends in “-5”, it is designed for use with a 5 volt power supply. Dont forget to put a diode across the motor to protect your 2sc Switching a 12vdc motor with a transistor Posted by Rich2 in forum: Feb 23, 3 0.

I was just speculating the base current might be pulling down your voltage source you could measure the base voltage to check for that. Discussion in ‘ The Projects Forum ‘ started by terrikApr 5, Email Required, but never shown.

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As the title explains it, I have KnA x2 transistors connected as a Darlington pair connected at the ground side of a [JQC-3F T73 5v] relay The relay is connected to a 5v power supply.

KN2222A works reverse bias

Apr 5, 4. If you interchange the collector and emitter of a modern planer BJT transistor, the Beta will be much less and the collector breakdown voltage is now equal to the base-emitter breakdown which is usually only about 5V. Create a no-fly zone! Sep 22, 4.

KNA (KEC) – Epitaxial Planar Npn Transistor (general Purpose, Switching) | eet

The Value of Customization: I suppose that you have made certain of your wiring? Do you already have an account? Sep transisotr, 2. I simulated your motor circuit and and looks like it should work. A darlington transistor configuration cannot turn-on down to anything close to 0V.

Shouldn’t there be a resistor between the arduino pin and the transistor base? Maybe my cheap multimeter was messing around, maybe the USB wasn’t giving the 0. tramsistor

KN2222A Datasheet, Equivalent, Cross Reference Search

Capacitor, Reverse bias diode and resistor circuit Posted by 13th Warrior in forum: Apr 6, 6. Sep 22, 3 0. Apr 5, 5. This is actually normal behavior. In any event, compound transistor connections aren’t magic.

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Thank you for all the replies. Transistor datasheet relay datasheet another question is, can the relay function at higher than 5volts? I have little electronics background so maybe I’m missing something obvious.

Problem with transistor and a motor Reply to Thread. Newbie with a 2N transistor problem Posted by neville mn2222a in forum: Sep 22, 6. And then the C was working also fine. Sign up or log in Sign up using Google. Sep 22, 5. Home Questions Tags Users Unanswered.

Seems like it should work fine with a single transistor. According to the datasheet facing to the flat side of the transistor the squence from left to right is Collector – Base – Emitter.

Digital Tattoos Bend The Limits Digital tattoos are an interesting implementation of an new category of “flexible electronics. Sep 22, 8.

But, before that I bought some TIP darlington in a local store to replace the C, and it worked perfectly. All kn2222a little factoids make me think your expectations of the transistor, when wired as a darlington, are kh2222a high.