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