2N4249
The Fairchild 2N4249 (S035928) (P/N 151-0342-00) is a PNP Si low noise amp.
Package: TO-106
NSN: 5961-00-246-2427
RPR: Tektronix RPR for 151- Transistors, pg 456
Specs
Semiconductors Common Design Parts Catalog 1982 (pg 189) lists the specs: 60V, 0.1A, hFE minimum 100.
Used in
Some instruments using part 2N4249
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| DC501 | Tektronix | Plug-in | DC501 | basic 100 MHz frequency counter | 1972 |
| DC502 | Tektronix | Plug-in | DC502 | 550 MHz frequency counter | 1972 |
| DC503 | Tektronix | Plug-in | DC503 | 100 MHz, 7-digit frequency counter | 1972 |
| DC503A | Tektronix | Plug-in | DC503A | 125 MHz, 8-digit frequency counter | 1981 |
| DC504 | Tektronix | Plug-in | DC504 | 80 MHz, 5-digit frequency counter | 1975 |
| DC504A | Tektronix | Plug-in | DC504A | 100 MHz, 6-digit frequency counter | 1984 |
| DC505 | Tektronix | Plug-in | DC505 | 225 MHz counter/timer | 1974 |
| DC505A | Tektronix | Plug-in | DC505A | 225 MHz counter/timer | 1976 |
| DC508 | Tektronix | Plug-in | DC508 | 1 GHz counter | 1978 |
| DC508A | Tektronix | Plug-in | DC508A | 1.3 GHz counter | 1980 |
| DC509 | Tektronix | Plug-in | DC509 | 135 MHz programmable frequency counter | 1981 |
| DC510 | Tektronix | Plug-in | DC510 | 350 MHz frequency counter | 1982 |