Data set 01
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage
6.3 V
Heater Current
430 mA
Plate Voltage
250 V
Power - Triode Single (under 10W) ·Triode
EC52
Single-ended short-wave triode for low-power oscillator service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 430 mA
Description
Single-ended short-wave triode for low-power oscillator service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 430 mA
- 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
- Plate resistance
- 9200 Ω
- Transconductance
- 0.0065 S
- Amplification factor
- 60
- Max plate voltage
- 400 V
- Max plate dissipation
- 7.5 W
Published Mullard ratings and characteristics promoted from the supplied source.
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.
Data set 02
1963 Mullard
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Application
UHF/VHF oscillator or amplifier
Capacitance
Input capacitance
5.2 pF
Output capacitance
1.3 pF
Plate-grid capacitance
3.1 pF
Other
Maximum oscillation frequency
400 MHz
Characteristics
Equivalent noise resistance
310 ohm