Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Plate Voltage
130 V
Voltage - Triode (single high frequency) ·Triode
A2521GEC
UHF grounded-grid triode for low-noise amplification and frequency multiplication; 6.3 V 0.3 A heater, mu 60, gm 15 mA/V.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 300 mA
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
- 300 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
- Transconductance
- 0.015 S
- Amplification factor
- 60
- Max plate voltage
- 250 V
- Max plate dissipation
- 2.5 W
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.