[ICOM] AG-25 Pre-amp

[Larry Winslow]

According to the NTE web-site, the NTE251 is an NPN Power Darlington. The 
NTE251x (0 thru 9) are silicon switching transistors.

73 - Larry WØNFU
larry_w at comcast.net


At 10:59 PM 4/20/2005, you wrote:

>...try the NE25139 from California laboratories.
>The generic number is NE251 and the last 2 numbers indicate the package, so
>that any available should fit. I used them up to 1300 MHz with good results
>and they have a lower NF than the SK types. These BTW, were originally a
>family originated by the now defunct RCA (SKxxx was their in-house series of
>numbers for FET's)
>Alex    4Z5KS
>
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