Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode
6118 rugged double-diode high-mu triode for detection, AVC and audio amplification in aircraft and mobile receivers, with 6.3 V 300 mA heater.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
3 physical sections, each with unique specifications.
Section 0
Radio Valve Co Canada 6118 high-mu triode section, common cathode with two diode plates. Design-center max plate 300 V. Class A typical Va 100 V Vg -1 V Ia 0.8 mA or Va 250 V Vg -3 V Ia 1 mA, mu 70, rp 58000 Ω, gm 0.0012 A/V. Cgp 1.4 pF, Cgk approx 5.6 pF, Cpk 3.8 pF with shell grounded to cathode. Max heater-cathode 50 V, vibration output <=25 mV RMS. Triode grid top cap.
Section 1
No fixed ratings are recorded for this section.
6118 diode physical section 1, plate pin5, shared cathode pin8 with triode and other diode. Manufacturer maximum operating current per diode plate 0.9 mA (not nominal rectifier output current). Heater 6.3 V 0.3 A, maximum heater-cathode 50 V.
Section 2
No fixed ratings are recorded for this section.
6118 diode physical section 2, plate pin4, shared cathode pin8 with triode and other diode. Manufacturer maximum operating current per diode plate 0.9 mA (not nominal rectifier output current). Heater 6.3 V 0.3 A, maximum heater-cathode 50 V.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Plate Voltage
250 V
Class A plate voltage operating point
Heater/filament voltage
6.3 V
Heater voltage
Heater/filament current
300 mA
Heater current
Maximum plate voltage
300 V
Maximum triode plate voltage