Datasheet · Pentode · Siemens·Telefunken
D3A datasheet
D3a — original PDF document from Siemens·Telefunken. Free, no signup.
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Key D3A specs at a glance
- Type
- Pentode
- Primary use
- Preamp / Driver
- Era
- 19580s
- Heating
- indirect
- Heater
- 6.3 V / 0.315 A
- μ (amplification factor)
- 75
- gm (transconductance)
- 35 mA/V
- rp (plate resistance)
- 4.5 kΩ
- Max plate voltage
- 250 V
- Max plate dissipation
- 4.2 W
- Base
- noval
- Manufacturer
- Siemens·Telefunken
- Equivalents
- 7721