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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Sep 22, 1. I simulated your motor circuit and and looks like it should work. I’m having hard time getting Hfe from the datasheet, and knowing the amp needed by the relay. Hence the collector and emitter are not interchangeable. Apr 5, 5. Your name or email address: Feb 23, 3 0. If the part number on your tramsistor ends in “-5”, it is designed for use with a 5 volt power supply.

KNA (KEC) – General Purpose Transistor, Package = TO | eet

This does not affect your observation but please note that there are two conflicting pin-outs for 2N Posted by mujizat in forum: Quote of the day. Thank you in advance. Problem with transistor and a motor Reply to Thread.


Yes, my password is: Dec 29, 1, Newbie with a 2N transistor problem Posted by neville s in forum: This means you are probably only getting 4V across the relay at best. The impurity doping concentration profile jn2222a the base-emitter junction is kn222a2 from that of the base-collector junction. I’m going to put 8 diodes around the two H bridges thanks for the head up. Seems like it should work fine with a single transistor.

The coil voltage is given in the last digit or two of the part number, and may be 3, 5, 6, 9, 12, 18, 24, 36, or 48 volts. If you wanted to run it from on2222a volts, you would need one with the part number ending in “”.

Read page 2 of the data sheet. You May Also Like: The first transistor will saturate according to the data sheet at 0.

The motor uses 0. Could anyone explain what I am doing wrong? By using our site, you acknowledge that you have read and understand our Cookie Policy kn2222z, Privacy Policyand our Terms of Service. Sep 22, 6. Create a no-fly zone!


My first hypothesis is that the arduino doesn’t tranxistor enouth current to saturate the power transistor. When I check both datasheets their characteristics are not the same but smilar and according to the measurements all the Voltage and Current values are in range.

Do you already have an account? I dont have 2sc so I used 2sc which is about half the spec of your transistor.

KN2222A Datasheet PDF

Apr 5, 4. And then the C was working also fine.

Sep 22, 3.