Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Pentode
Capacitance
Anode-earth capacitance
7 pF
Grid-earth capacitance
10 pF
Anode-grid capacitance
0.004 pF
Voltage Pentode ·Pentode
SP42
Screened pentode designed specifically for the video-output stage of television receivers. Mazda documentation identifies its principal role as video-frequency amplification and output drive rather than general RF or audio service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 4 V / 950 mA
Description
Screened pentode intended for the video-output stage of television receivers.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 4 V
- Nominal heater current
- 950 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
Pentode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.009 S
- Max plate voltage
- 200 V
- Max screen voltage
- 200 V
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.