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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HJ Datasheet Hefei Hejing pdf data sheet FREE from

I found this in a light bulb, but can’t tell which leg is which. You will, of course, read the same unreadably high ohm resistance between collector-emitter regardless of bias.

With a DMM, you can test the legs and each pair that has low resistance gj a forward biased junction, any pair that has high resistance is a reverse biased junction. Thank you my friend, this is very helpful.

Can anybody identify which leg is which from the insides?

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.

Welcome to Reddit, the front page of the internet. 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.

You can create your own test equipment for general guidelines if you’re 1302. Put two of the legs between the LED.


I made it simpler from the rambling. Info about building and modding: You could test this yourself you know. When the 1300 rises high enough it would activate the junction and conduct.

(PDF) HJ13002 Datasheet download

This is an open community for the do-it-yourself pedal builders of reddit! Want to add to the discussion? The alternative is that the P side must be at least more positive than the N side respectively. 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 Use of this site constitutes acceptance of our User Agreement and Privacy Policy.

If you don’t have a DMM, use ohms law to build this https: In Jj, the opposite is true. 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.

C is probably the tiny pad, B is probably the long rail pad, and E 13002 the large square pad. Become a Redditor and subscribe to one of thousands of communities. Sorry if this is a very pedestrian question, I’ve already tried my best on google: You should read open circuit or beyond the measurement of your DMM in ohms for reverse biased base-collector or base-emitter.

If the LED does not light up, then reverse the two legs and if it lights up, you now have one diode. Basically, you create a circuit that needs the transistor to behave with X amount of gain otherwise the current is too weak to light the 13002.


HJ Datasheet PDF – Vcbo=V, NPN Transistor

So I’m attempting my first pedal, and I’m totally new to electronics altogether. Can anybody help me identify the legs of this transistor? 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. Now amend that circuit so that the negative side of the battery or ground if you want to call hu is touching one leg of your transistor, and another leg is touching the LED.

This is a transistor diode tester.

Not to worry, I have 2 exactly the same. Submit a new text post. FYI this is a high voltage transistor designed for switching operation, very commonly found in compact fluorescent lamps. 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. Doing so would actually improve your knowledge and and your soldering skill and get you some really cheap tools, although DMMs these days aren’t very expensive.

It lights up if the diode of the transistor is forward biased.

It’s dead, you need a new transistor.