Voltage Pentode - High Frequency (single) ·Pentode
W30
Universal indirectly heated high-frequency pentode from Osram. Its manufacturer description identifies broad HF signal-amplifier service rather than a narrowly specialized power, detector, or control application.
- Sections
- 1
- Base
- -
- Socket code
- B7
- Base pins
- 7
- Nominal heater
- 13 V / 300 mA
Description
Universal indirectly heated H.F. pentode.
Socket description
Medium 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7
- Base pins
- 7
- Nominal heater voltage
- 13 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
Pentode
- Transconductance
- 0.0027 S
- Max plate voltage
- 250 V
- Max screen voltage
- 100 V
Published ratings and characteristics promoted from the approved datasheet.
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.