Feature

●Model Number:6J4
●Type: Side Heating Cathode Sharp Cut Off Pen Load
●Main application: High frequency voltage amplification


Description

Vacuum Tube 6J4 Stock Product High Frequency Voltage Amplifier replaces 6AA6 for Tube FM. Tuner
Model Number:6J4

Specifications
Basic Data
1.Filament Voltage(UF)=6.3V
2. Filament Current (IF)=0.3A;
Anode Voltage(UA)=250V
4. Anode Current(Ia)=11±3.3mA
Second Gate Voltage(Ug2)=150V
Second Gate Current (Ig2) 6.2 mA
Cathodic Resistance (RK)= 68
Internal Resistance(Ri)=0.9m
Transconductance (S)= 4.8~7mA / V
10. (Pole capacity) Input capacity (CIN)=6.3pF;
11. Output capacity(COUT)=6.3pF;
Transition Capacity (CAG) 0.0035pF
Extreme Data Used
Maximum Filament Voltage (UFMAX) = 7V
2.Minimum filament voltage (UFMIN)=5.7V
3. Anode Voltage(UAMAX)=300V
4. Up to two gate voltage(UG2MAXP)=150V.
5. The maximum filament to the cathode voltage (UFKmax) = ±90V
6. Max Anode Dissipation Power (PAMAX)=3.5W
Max second gate dissipation power (PG2max)=0.9W
8. Max Cathode Current (Ikmax) = 20mA