Tesla KD datasheet, AF Power Transistor NPN (1-page), KD datasheet, KD pdf, KD datasheet pdf, KD pinouts. KD Datasheet, KD PDF, AF Power Transistor NPN. Characteristics of the KD bipolar transistor. Type – n-p-n; Collector-Emitter Voltage: 80 V; Collector-Base Voltage: 80 V; Emitter-Base Voltage: 5 V; Collector .

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From Wikipedia, the free encyclopedia. I guess the 31 is the 31st week of the year, then. Sign up using Facebook. And here’s what the pins look from the other side they’re the long metal tabs that come from the case, around the middle of the picture: The art of electronics 2nd ed. Commons category link from Wikidata. In other projects Wikimedia Commons.

KD503 Datasheet, Equivalent, Cross Reference Search

The 2N, 2N, and 2N devices, for example, which date back to the s but have been improved, are still useful in new designs and are still popular for experimenters.

Datwsheet markings on the case are: Wikimedia Commons has media related to 2N It often has a transition frequency of around 3. Home Questions Tags Users Unanswered.


Modern successors to the 2N can be much more suitable in fast-switching circuits or high-end audio power amplifiers. Philips ON Ask Question. John M 94 8. It was second sourced by other manufacturers; Texas Instruments listed a single-diffused mesa version of the device in an August datasheet. The device datasheeh designed datsaheet operate with an efficient heatsink, but care must be taken to mount the device properly, [7] [8] [9] else physical damage or worsened power handling may result, especially with cases or heatsinks that are not perfectly flat.

With changes to semiconductor manufacturing technology, the original process became economically uncompetitive in the mids, and a similar device was created using epitaxial base technology. Retrieved 7 November Retrieved 31 October Ah, so the F refers to the date?

KD Datasheet, Equivalent, Cross Reference Search. Transistor Catalog

I’m trying to find information on a power transistor used on a automotive ECU. No transistors prefixed ‘ON’ at kd50. The robot builder’s bonanza 2nd ed. And here’s what the pins look from the other side they’re the long metal tabs that come from the case, around the middle of the picture:.

But there’s a date code on the part, so maybe it’s a newer type than the book. Since the early s, the 2N transistor has been heavily targeted by counterfeiters, who substitute much smaller silicon dies with lesser power ratings, use inferior mounting techniques, and fake the markings.


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Modern 2N datasheets often, but not always, specify f T of 2. It is by now unlikely to actually obtain a genuine 2N transistor when using popular sales platforms such as Amazon or Ebay; classic electronics distributors are mostly still able to properly source them.

Possibly equivalent to the Delco DS? Views Read Edit View history.

Having reverse-engineered the circuit, I’m fairly certain that it’s a NPN transistor, but I’ve found some references mentioning a Darlington transistor was used on the ECU. I had a look in a copy of Towers’ International Transistor Selector, and there’s no mention of it. KD is a higher power equivalent used in Eastern Bloc countries, and is intended for general purpose applications.