Data set 01
1944 Hytron
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate Current
75 mA
Power - Triode ·Triode
3C30
Hytron 3C30 directly heated high-mu 25 W power triode with thoriated-tungsten 5.6 V 2.5 A filament, 850 V maximum plate voltage, and plate top cap.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- MEDIUM4BAYONET
- Base pins
- 4
- Nominal heater
- 5.6 V / 2.5 A
Description
High-mu directly heated triode with an 850-volt absolute maximum plate rating.
Socket description
Medium 4-contact bayonet base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- MEDIUM4BAYONET
- Base pins
- 4
- Nominal heater voltage
- 5.6 V
- Nominal heater current
- 2.5 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Amplification factor
- 85
- Max plate voltage
- 850 V
- Max plate dissipation
- 25 W
- Max cathode current
- 75 mA
Hytron 3C30 thoriated-tungsten directly heated high-mu power triode. Absolute maximum plate 850 V DC, plate current 75 mA DC, grid current 30 mA DC, negative grid bias -100 V, plate dissipation 25 W. Typical at Va 600 V, Vg +15 V: plate current 41 mA, positive grid current 7 mA, mu 85. Grid-plate C 5.8 pF, grid-filament C 5.4 pF, plate-filament C 1.3 pF. No specified conventional gm or rp. Four-pin bayonet: filament pins1/4, grid pins2/3, plate small top cap.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.