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The 6H6Pi is a durable and reliable dual-triode power tube that can be used as a replacement for a 6H6N or 6N6N tube.
Technical characteristics
| Electrical Characteristics | |
|---|---|
| Filament heating voltage (Uh) | 6.3V |
| Filament heating current (Ih) | 750±70mA |
| Anode operating voltage (Ua) | 120V |
| Triodes grid control voltage (Ugt) | -2V |
| Anode current (Ia) | 28(+8 /-7)mA |
| Anode current for each triode when grid 1 control voltage is equal to -15V (Iaz) | ⩽150µA |
| Mutual conductance of each triode (S) | 11.2 (+2.2 / -3.2)mA/V |
| Amplification power (µ) | 22±4 |
| Resistance of each self-biased triode (R) | 68Ω |
| Control grid impedance (Ri) | 1.8kΩ |
| Interelectrode capacitance | |
|---|---|
| Capacitance between control grid and cathode (Cg1k) | 4.4pF |
| Capacitance between anode and cathode of first triode (Cak¹) | 1.7pF |
| Capacitance between anode and cathode of second triode (Cak²) | 1.85pF |
| Capacitance between control grid and anode (Cg1a) | ⩽3.5pF |
| Capacitance between first and second anode (Ca1a2) | ⩽0.15pF |
| Capacitance between cathode and filament (Ckh) | ⩽8pF |
| Maximum Ratings | |
|---|---|
| Filament heating voltage (Uh) | 7V |
| Anode operating voltages (Ua) | 300V |
| Anode operating voltages when anode current is ⩽5µA and control grid voltage of both triodes -50V (Ua¹) | 450V |
| Power dissipation for each anode (Pa²) | 4.8W |
| Combined power dissipation of the two anodes (Pa³) | 8W |
| Current for each cathode (Ik⁴) | 45mA |
| Current for each triode (I⁵) | 40mA |
| Filament cathode current (Ukh) | 100V |
| Resistance of the control grid of the two triodes (Rgt) | 1MΩ |
| Glass wall temperature (Tbulb) | 200°C |
| General | |
|---|---|
| Dimensions | 72mm x 22.5mm |
| Package | Sold by unit |
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