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SJ 1649-1980 PDF English

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SJ 1649-1980: Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD257 and 3DD258
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SJ 1649-1980English179 Add to Cart 2 days [Need to translate] Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD257 and 3DD258

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Basic data

Standard ID SJ 1649-1980 (SJ1649-1980)
Description (Translated English) Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD257 and 3DD258
Sector / Industry Electronics Industry Standard
Classification of Chinese Standard L42
Word Count Estimation 2,281
Date of Issue 11/27/1980
Date of Implementation 6/1/1981
Summary This standard applies to power dissipation of 30W 3DD257 type, 3DD258 diffusion mesa type silicon NPN low frequency power transistor. The low frequency amplification product for an electronic device, power conversion and low-speed switching circuits.

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