Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater Voltage
6.3 V
Heater Current
200 mA
Grid-to-Plate Capacitance
1.6 pF
Input Capacitance
1.75 pF
Voltage - Triode (single) ·Triode
6533
French CGT 6533 rugged low-microphonic indirectly heated subminiature high-mu audio-voltage triode for military and professional low-level signal amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 200 mA
Description
The 6533 is a rugged subminiature high-mu AF voltage-amplifier triode with low microphonic noise for weak-signal amplification.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 200 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 30000 Ω
- Transconductance
- 0.0018 S
- Amplification factor
- 54
- Max plate voltage
- 150 V
- Max plate dissipation
- 0.5 W
French CGT 6533 antimicrophonic subminiature triode, 1958. Max plate 150 V, dissipation 0.5 W, plate current 25 mA, grid negative magnitude 55 V, grid resistance 1.2 MΩ, heater-cathode ±200 V, bulb max 220°C. Class A typical Va 120 V, Rk 1500 Ω, Ia 0.92 mA, mu 54 (range 48–60), rp 30000 Ω, gm approx 0.0018 A/V (acceptance 1.58–1.92 mA/V). Unshielded Cgp 1.6 pF (1.2–2), input 1.75 pF (1.3–2.2), output 0.6 pF (0.4–0.8). Shock 450 g, vibration 2.5 g, 2000 heater cycles.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.