Data set 01
1953 La Radiotechnique
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
3.8 V
Published nominal value
Heater current
300 mA
Published nominal value
Voltage - Triode (single high frequency) ·Triode
PC88
Low-noise 300 mA series-heater UHF grounded-grid amplifier triode for television Bands IV and V.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- NOVAL
- Socket code
- B9A
- Base pins
- 7
- Nominal heater
- 3.8 V / 300 mA
Description
300 mA series-heater low-noise UHF grounded-grid amplifier triode for television Bands IV and V; the source refers to EC88 for remaining characteristics.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- NOVAL
- Socket code
- B9A
- Base pins
- 7
- Nominal heater voltage
- 3.8 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
NOVAL - 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
- 4800 Ω
- Transconductance
- 0.0135 S
- Amplification factor
- 65
- Max plate voltage
- 175 V
- Max plate dissipation
- 2 W
- Max cathode current
- 13 mA
Published ratings/characteristics promoted where clearly stated; repeated identical rectifier sections compressed to one section row.
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.
Data set 02
1967 Mullard Receiving and Amplifying Valves
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Ch+k- g+ s
3.8 pF
Published in approved PC88 target datasheet entry; Section1
ca -g+s
1.7 pF
Published in approved PC88 target datasheet entry; Section1
Ca-k+h
0.055 pF
Published in approved PC88 target datasheet entry; Section1
Ca - g
1.2 pF
Published in approved PC88 target datasheet entry; Section1
Characteristic
la
12.5 mA
Published in approved PC88 target datasheet entry; Section1
gm
13.5 mA
Published in approved PC88 target datasheet entry; Section1
Data set 03
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater or filament voltage
3.8 V
Published nominal or stated operating value
Heater or filament current
300 mA
Published nominal or stated operating value
Transconductance
13500 µS
Published/reference characteristic
Other
Maximum plate dissipation
2 W
Published/reference maximum rating
Data set 04
1972 Philips Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Application
UHFAmplifier text
Data set 05
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
3.8 V
Published nominal value
Heater current
300 mA
Published nominal value
Transconductance
13500 µS
Published operating characteristic
Other
Maximum plate dissipation
2 W
Published maximum rating
Data set 06
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Typical plate voltage
160 V
Typical plate current
12.5 mA
Transconductance
13500 uS
Amplification factor
65
Plate resistance
4815 ohm
Equivalent noise resistance
240 ohm
Capacitance
Anode-grid capacitance
1.2 pF
Grid-heater-cathode capacitance
3.8 pF
Anode-heater-cathode capacitance
0.055 pF
Other
Maximum cold plate voltage
550 V