2N3055
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The 2N3055 (P/N 151-0140-00) is a general-purpose silicon NPN power transistor that is widely used in Tek gear.
The 2N3055H is an epitaxial device with higher safe operating area than a standard 2N3055 at VCE >40 V.
Key Specifications
| VCEO | 60 V |
|---|---|
| IC | 15 A |
| FT | 0.3 MHz |
| PD | 115 W |
Note: Tek part number 151-0140-00 refers to parts selected from the original late-1960s version that has relatively modest hfe. Care must be taken when replacing them with modern equivalents that have higher hfe – see for example the 7603 repair report at amplifier.cd (German) that discusses problems caused by replacing Q1216/Q1218 in the HV oscillator of a 7603.
Datasheet
Photos
Used in
Some instruments using part 2N3055
| Instrument | Manufacturer | Class | Description | Introduced |
|---|---|---|---|---|
| 115 | Tektronix | Pulse generator | Pulse generator | 1968 |
| 140 | Tektronix | Audio/Video | NTSC signal generator | 1969 |
| 142 | Tektronix | Audio/Video | PAL TV Signal Generator | 1970 |
| 1420 | Tektronix | Audio/Video | NTSC vectorscope | 1975 |
| 1421 | Tektronix | Audio/Video | PAL vectorscope | (?) |
| 1422 | Tektronix | Audio/Video | PAL-M vectorscope | (?) |
| 144 | Tektronix | Audio/Video | NTSC signal generator | 1971 |
| 145 | Tektronix | Audio/Video | PAL genlock test signal generator | 1973 |
| 146 | Tektronix | Audio/Video | NTSC signal generator | 1971 |
| 147 | Tektronix | Audio/Video | NTSC signal generator | 1971 |
| 149 | Tektronix | Audio/Video | NTSC signal generator | 1973 |
| 230 | Tektronix | Test Automation | Digital Unit | 1967 |
| 240 | Tektronix | Controller | Program Control Unit | 1968 |
| 4501 | Tektronix | Scan converter | Scan converter | 1969 |
| 453 | Tektronix | Oscilloscope | 50 MHz portable dual-trace scope | 1965 |
| 453A | Tektronix | Oscilloscope | 50 MHz portable dual-trace scope | 1971 |
| 4551 | Tektronix | Terminal | Light pen system | 1971 |
| 464 | Tektronix | Oscilloscope | Portable 100 MHz dual-trace storage scope | 1975 |
| 465 | Tektronix | Oscilloscope | Portable 100 MHz dual-trace scope | 1972 |
| 465B | Tektronix | Oscilloscope | Portable 100 MHz dual-trace scope | 1980 |
| 466 | Tektronix | Oscilloscope | Portable 100 MHz dual-trace storage scope | 1974 |
| 468 | Tektronix | Oscilloscope | 10/100 MHz Digital Storage Scope | 1980 |
| 475 | Tektronix | Oscilloscope | Portable 200 MHz dual-trace scope | 1972 |
| 491 | Tektronix | Spectrum Analyzer | 40 GHz Spectrum Analyzer | 1966 |
| 520A | Tektronix | Audio/Video | NTSC/PAL vectorscope | 1973 |
| 521 | Tektronix | Audio/Video | PAL vectorscope | 1970 |
| 522 | Tektronix | Audio/Video | PAL-M Vectorscope | 1970 |
| 5223 | Tektronix | Oscilloscope | 10 MHz analog/digital mainframe | 1981 |
| 528 | Tektronix | Audio/Video | TV Waveform Monitor | 1969 |
| 576 | Tektronix | Curve Tracer | Curve tracer | 1969 |
| 7313 | Tektronix | Oscilloscope | 25 MHz storage mainframe | 1972 |
| 7503 | Tektronix | Oscilloscope | 90 MHz non-storage mainframe | 1970 |
| 7504 | Tektronix | Oscilloscope | 90 MHz non-storage mainframe | 1969 |
| 7603 | Tektronix | Oscilloscope | 100 MHz non-storage mainframe | 1972 |
| 7613 | Tektronix | Oscilloscope | 100 MHz variable-persistence storage mainframe | 1972 |
| 7623 | Tektronix | Oscilloscope | 100 MHz multi-mode storage scope | 1972 |
| 7623A | Tektronix | Oscilloscope | 100 MHz multi-mode storage scope | 1974 |
| 7623B | Tektronix | Oscilloscope | 100 MHz multi-mode storage scope | 1990 |
| 7633 | Tektronix | Oscilloscope | 100 MHz multi-mode storage mainframe | 1974 |
| 7704 | Tektronix | Oscilloscope | 150 MHz non-storage mainframe | 1969 |
| TM5006 | Tektronix | Mainframe | six-bay mainframe | 1982 |
| TM504 | Tektronix | Mainframe | four-bay mainframe | 1975 |
| TM506 | Tektronix | Mainframe | six-bay mainframe | 1975 |