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xpyttl wrote: "Mark Zenier" wrote in message ... No, NE and SA are both Philips prefixes, but different temperature ratings. NE is the commercial range of 0 to +70 deg C, SA the mil/industrial range of -40 to +85 deg C. Since Phillips bought up Signetics, it makes sense they would keep the part number. And it occurred to me that I have gotten NE602's long after the SA parts appeared. HOWEVER, Phillips lists no NE parts under their RF parts, nor as parts "similar to" the SA602. Although it is certainly not exhaustive, all the "NE" parts still in my parts drawer have Signetics logos (no 602's tho - 604/605/614/615 all my 602/612's are SA). Er, Philips has owned Signetics since about 1976. (Along with Mullard and about a half a dozen other regional names which they dropped sometime in the late 80's). In the 1989 Signetics Linear:Communications databook, the NE/SA parts are on the same datasheet. All the demise of the NE602 number says is that Philips has selected their parts catalog to those items that earn the most money. Since a low integration part like the '602 would mostly be used in portable radios or other legacy telcom applications, they probably weren't selling too many of the narrow temp. range. Mark Zenier Googleproofaddress(account:mzenier provider:eskimo domain:com) |
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