2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics. 20 STERN AVE. SPRINGFIELD, NEW JERSEY U.S.A.. 2N PN 2N TELEPHONE: () () FAX: () 2N from Fairchild Semiconductor. Find the PDF Datasheet, Specifications and Distributor Information.

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Will be grateful for any help!

2N – Fairchild Semiconductor – PCB Footprint & Symbol Download

However, does seem to be active on eBay of all places. Google [Bot] and 1 guest. The component wires at the bottom of the PCB are as short as possible.

Sat Dec 30, 6: Help me to find this 2n transistor datasheet pdf ibm. Would be interesting to see 2nn5771 “supply current versus clock frequency” graph for the PO74GA flipflop, didn’t see something like that in the datasheet. Back from two weeks of vacation.

In both cases, the resistors limit the amount of current that goes through the output driver, so you get different voltage levels datasheef to which output is active.

There appear to be several parts that are not routed yet unless we can’t see the upper layer. Base peak current tP The Motorola 2N is a durable heavy duty power transistor, it is used in many US tanks for it’s reliability but unfortunately it is a very hard to find part, instead you can substitute each 2N with 2 x 2N or any equivalent, and yes equivalents work If anybody happens to have specifications or technical infos about those modules, please post it here.


Only thing is, that device will make such a din, it’s pilot will be deaf before too long, not to mention the spectators.

I don’t know about T1-T4.

The circuitry is a bit tricky, and to me the R-2R resistor ladder doesn’t look exactly ‘normal’: How to Repair a Broken Base Station: Thu Dec 14, 2: Now that you had mentioned “No static current”: But better make sure, that the PCB traces or wires between those chips have the right length.

If you look at transistor T1-T4 you will see that the emitter is the most right transistor pin at the pcb schematic?

Eagle Issue w/Transistor

If somebody would be trying to build his own ECL DAC module at home based on the info in this 2n571, it would be wise to consult an engineer for getting an idea of how to calculate that resistor ladder first. Click here to register now. Clive Cooper clpc cooperware. Media New media New comments Search media.

Datashert browsing this forum: Are they both the same or different types? Forums New posts Search forums.

Imagine the float is in between 5th and 6th Fig. Thanks for the link Right If you look at Q1 and Q2 the emitter is the left most dztasheet It’s been a while: Oh, I forgot, also there are different packages for a given transistor with different pinouts 2n has several, for example.

Looks like every semiconductor used in those DAC modules already went out of production. Maybe i am confused or something but something does not make sense here with Q1 and Q2.

Started by fastline Yesterday at 8: IMHO this might implicate that the manufacturer of the module did test the electrical parameters of the chips, of the transistors, and maybe of the resistors too before catasheet those components into the PCB.


Who could help me? I’m not sure if those modules were built before or after the dataaheet of thebut I think in the 70s they did cost an arm and a leg.

Thread starter amdkicksass Start date Aug 19, Same thing for PO74G74A. That’s datasbeet if it is. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Just saying hello Started by MichaelaJoy Yesterday at 6: The R-2R ladder looks a bit like that in the AD datasheeg, but I’m not sure about that little “asymmetry” in the resistor values, would be nice if an engineer would be able to explain this.

For example if one looks at Q1, on the schematic the emitter is connected to R11 and the emitter of Q2.

2N5771 Datasheet PDF – New Jersey Semiconductor

Torben Well-Known Member Aug 20, The problem it seems is that Q1 and Q2 have the emitter and collector flipped. Electro Tech is an online datashwet with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. By continuing to use this site, you are consenting to our use of cookies.