Power - Triode ·Triode
5514
Hytron 5514 directly heated high-mu 65 W transmitting power triode for Class C RF and Class B audio service, with 7.5 V 3 A filament and 1.5 kV plate rating.
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 4
- Nominal heater
- 7.5 V / 3 A
Description
AUDIO AMPLIFIER HIGH-MU TRIODE The 5514 is a 65-watt, high-mu, all-purpese transmitting triode designed for highly efficient operation over a wide range of plate vottages in either audio or r-f applications, It has a low internal tube drop for maximum efficiency, dual base connec- tions to the grid, zirconlum-coated graphite plate, and lava-insulated plate cap.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 4
- Nominal heater voltage
- 7.5 V
- Nominal heater current
- 3 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
- Transconductance
- 0.0051 S
- Amplification factor
- 145
- Max plate voltage
- 1500 V
- Max plate dissipation
- 65 W
Hytron 5514 transmitting power triode, RMA 1947. Filament thoriated tungsten 7.5 V 3 A. Maximum plate 1500 V DC, dissipation 65 W for Class C CW/FM and Class B AF, plate current 175 mA DC, grid current 60 mA DC, negative grid bias -200 V limit, positive peak RF grid +125 V. Class C telephony with 100% AM: plate 1250 V max, dissipation 43 W, DC plate input 175 W. Mu 145, gm 0.0051 A/V at plate 1000 V grid 0 V. Cgp 1.9 pF, input 7.8 pF, output 1.0 pF. Full RF rating 60 MHz; at 80 MHz 75% and 100 MHz 60% max plate voltage/input. Class B RF at plate 1000 V ~120 W RF output for ~3.5 W drive; Class C ~132 W for 8.7 W drive. Two-tube Class B audio tables must not be confused with per-section ratings. No conventional rp specified. Medium 4-pin base dual grid connections, plate top cap; vertical filament plane mounting required.
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.