HJ 13002 PDF
Part Number: HJ Function: NPN Epitaxial Silicon Transistor Maker: Unspecified Pinouts: HJ datasheet. Description: Datasheet. Type Designator: MJE Material of Transistor: Si. Polarity: NPN. Maximum Collector Power Dissipation (Pc): 40 W. Maximum Collector-Base Voltage |Vcb|. HJ Hefei Hejing datasheet pdf data sheet FREE Datasheets (data sheet) search for integrated circuits (ic), semiconductors and other electronic.
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Put two of the uj between the LED. You could test this yourself you know. Im going to assume the emitter is the large pad, so the base is going to be one of the others, and the collector is obviously the last.
HJ13002 PDF – Vcbo=600V, NPN Transistor
In a PNP, the base is the N, so it must be negative with respect to the emitter and it will be biased and current will flow. The base must also be negative bj respect to collector and current will flow.
Submit a new text post. The silicon is normally bonded to the collector, which would match the ECB left to right, flat writing side facing you, pins facing downwards pinout of the CD Looking for troubleshooting help? Log in or sign up in seconds.
FYI this is a high voltage transistor designed for switching operation, very commonly found in compact fluorescent lamps. It lights up if the diode of the transistor is forward biased. I know the Base is typically in the middle, but i googled the numbers from the face,HJ, B1 and found a datasheet for the HJ Transistor, which said the Base was the leftmost leg. If the LED does not light up, then reverse the two legs and if it lights up, you now have one diode. I found this in a light bulb, but can’t tell which leg is which.
If you don’t have a DMM, use ohms law to build this https: You will, of course, read the same unreadably high ohm resistance between collector-emitter regardless of bias. I just cracked open this one hoping to illuminate which pin is which.
Plastic Box Injection Mould (HJ) – China Plastic Product, Mould |
Submit a new link. Transistors function in their active region as class A amplifiers thanks to the base-collector being reverse biased while the base-emitter is forward biased. When the voltage rises high enough it would activate the junction and conduct. With a DMM, you can test the legs and each pair that has low resistance is a forward biased junction, any pair that has high resistance is a reverse biased junction.
Now amend that circuit so that the negative side of the battery or ground jh you want to call it is touching one leg of your transistor, and another leg is touching the LED. For instance, a beta gain transistor circuit would light up one LED if the gain is overa different LED if its over but underand so on.
Info about building and modding: Become a Redditor and subscribe to one of thousands of communities. Sorry if 1300 is a very pedestrian question, I’ve already tried my best on google: In NPN, the opposite is true. Can anybody help me identify the legs of this transistor?
You should read open circuit or beyond the measurement of your DMM in ohms for reverse biased base-collector or base-emitter. You can create your own test equipment for general guidelines if you’re creative. Welcome to Reddit, the front page of the internet.
This is an open community for the do-it-yourself pedal builders of reddit! But I’m not positive it was the right datasheet. If you don’t have a DMM, use ohms law to build this. Can anybody identify which leg is which from the insides? Then test the other two legs. If you have a DMM, you should read something like megaohms between a forward biased base-collectopr and a forward biased base-emitter.