Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Triode
Construction
Premium construction
Yes
Voltage - Triode (under 100V) ·Triode
7760
Premium subminiature medium-mu triode designed for low-voltage operation in compact electronic equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B8D
- Base pins
- -
- Nominal heater
- 26.5 V / 90 mA
Description
Premium subminiature medium-mu triode for low-voltage operation.
Socket description
Subminiature 8-lead
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B8D
- Base pins
- -
- Nominal heater voltage
- 26.5 V
- Nominal heater current
- 90 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
- 0.005 S
- Amplification factor
- 20
- Max plate voltage
- 55 V
Published source values promoted where applicable; additional source values retained as parameters.
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.