Datasheet · Pentode · RCA·Sylvania
47 datasheet
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Key 47 specs at a glance
- Type
- Pentode
- Primary use
- Power/Output
- Era
- 19310s
- Heating
- direct
- Heater
- 2.5 V / 1.75 A
- gm (transconductance)
- 2.5 mA/V
- Max plate voltage
- 250 V
- Max plate dissipation
- 3.1 W
- Base
- ux5
- Manufacturer
- RCA·Sylvania
- Equivalents
- VT-47, 247