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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Transistors function in their active region as 130002 A amplifiers thanks to the base-collector being reverse biased while the base-emitter is forward biased. Please read this first! 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.
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. 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 You 13020 create your own test equipment for general guidelines if you’re creative.
Not to worry, I have 2 exactly the same. It lights up if the diode of the transistor is forward biased.
Can anybody help me identify the legs of this transistor? I made it simpler from the rambling.
MJE13002 Datasheet, Equivalent, Cross Reference Search
So I’m attempting my first pedal, and I’m totally new to electronics altogether. You should read open circuit or beyond the measurement of your DMM in ohms for reverse biased base-collector or base-emitter. It’s dead, you need a new transistor. The base must also be negative with respect to collector and current will flow. If you have a DMM, you should read something like megaohms between a forward biased base-collectopr and a forward biased base-emitter.
Looking for troubleshooting help? Put two of the legs between the LED. In a PNP, the base is the N, so it must 130002 negative 10302 respect to the emitter and it will be biased 133002 current will flow. In NPN, the opposite is true. Thank you my friend, this is very helpful. I just cracked open this one hoping to illuminate which pin is which.
When the voltage rises high enough it would activate the junction and conduct. 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 yj otherwise the current is too weak to light the LED. This is a transistor diode tester.
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.
You will, of course, read the same unreadably high ohm resistance between collector-emitter regardless of bias. Welcome to Reddit, the front page of the internet. If you don’t have a DMM, use ohms law to build this.
Info about building and modding: But I’m not positive it was the right datasheet. 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.
The alternative is that the P side must be at least more positive than the N side respectively. Now amend that circuit so that the negative side of the battery or ground if you want jj call it is touching one leg of your transistor, and another leg is touching the LED.
With a Hu, 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. Log in or sign up in seconds. I don’t have a DMM but I’ll 130002 to look into it.
FYI this is a high voltage transistor designed for switching operation, very commonly found in compact fluorescent lamps. Then test the other two legs. You could test this yourself you know.