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 | Model | Description | Introduced |
|---|---|---|---|---|---|
| 7603 | Tektronix | Oscilloscope | 7603 | 100 MHz non-storage mainframe | 1972 |
| 7613 | Tektronix | Oscilloscope | 7613 | 100 MHz variable-persistence storage mainframe | 1972 |
| 7623 | Tektronix | Oscilloscope | 7623 | 100 MHz multi-mode storage scope | 1972 |
| 7623A | Tektronix | Oscilloscope | 7623A | 100 MHz multi-mode storage scope | 1974 |
| 7623B | Tektronix | Oscilloscope | 7623B | 100 MHz multi-mode storage scope | 1990 |
| 7633 | Tektronix | Oscilloscope | 7633 | 100 MHz multi-mode storage mainframe | 1974 |
| TM5006 | Tektronix | Mainframe | TM5006 | six-bay mainframe | 1982 |
| TM504 | Tektronix | Mainframe | TM504 | four-bay mainframe | 1975 |
| TM506 | Tektronix | Mainframe | TM506 | six-bay mainframe | 1975 |