Datasheet · Triode · Various
NR47 datasheet
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Key NR47 specs at a glance
- Type
- Triode
- Primary use
- Power
- Era
- 19400s
- Heating
- direct
- Heater
- 4 V / 2 A
- μ (amplification factor)
- 9.5
- gm (transconductance)
- 7.5 mA/V
- rp (plate resistance)
- 1.3 kΩ
- Max plate voltage
- 400 V
- Max plate dissipation
- 25 W
- Base
- ux4
- Manufacturer
- Various
- Equivalents
- PX25 class