Re: Identifying the legs of a transistor.

From: Joe Norton (ng22311_at_btinternet.com)
Date: 03/04/05 

Date: Fri, 04 Mar 2005 16:18:10 +0000

Thanks, that gave me the info I needed. I've got my circuit working.
Thanks to you all.

Joe.

Chris wrote:
> Joe Norton wrote:
>
>>>Hi, Joe. Thousands of transistors out there. How about describing
>>
> it,
>
>>>and giving any numbers printed on it?
>>
>>I have two transistors. One is a 2N2219 A and the other is a 2N2905
>
> A.
>
>>Both have round metal cases with a tag at the edge. One pin seems to
>
> be
>
>>connected to the case. Does this help? Please excuse my ignorance!
>
> :-)
>
>>Joe.
>
>
> Hello again, Joe. If I need a transistor pinout, I'll go to the NTE
> Semiconductor cross-reference page first. They sell equivalents for
> television/radio repair shops and other service techs.
>
> http://nte01.nteinc.com/nte/NTExRefSemiProd.nsf/$$Search?OpenForm
>
> Your 2N2219 crosses to an NTE123
>
> http://www.nteinc.com/specs/100to199/pdf/nte123.pdf
>
> and your 2N2905 crosses to an NTE128
>
> http://www.nteinc.com/specs/100to199/pdf/nte128.pdf
>
> The pinout on both is the same (view in fixed font or M$ Notepad):
>
> Base
> _
> /o\
> Emitter(o o) Collector/Case
> \_/
>
> created by Andy´s ASCII-Circuit v1.24.140803 Beta www.tech-chat.de
>
> The NTE website is really good for quickly finding transistor pinouts.
> They're also handy if you need a repair or engineering part today.
> They have retail outlets in many repair shops and depots, which means
> that frequently you can just drive down the road and get your part
> within an hour. Great stuff.
>
> Good luck
> Chris
>

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