Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
7 V
Published nominal value
Heater current
300 mA
Published nominal value
Voltage - Dual Triode (similar high frequency) ·Triode-Triode
PCC88
High-slope low-noise dual triode designed for VHF cascode RF amplifiers in television tuners, with low equivalent noise resistance for sensitive front-end reception.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- Noval
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 7.6 V / 300 mA
Description
High-slope low-noise dual triode for VHF cascode RF amplifiers in television tuners.
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
- 9
- Nominal heater voltage
- 7.6 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
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0125 S
- Amplification factor
- 33
- Max plate voltage
- 550 V
- Max plate dissipation
- 1.8 W
- Max cathode current
- 25 mA
Published section ratings and characteristics promoted where applicable.
Section 2
Triode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published section ratings and characteristics promoted where applicable.
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
1963 Philips Electron Tubes Handbook V1
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
90 V
Cascode;EachSection
Control-grid voltage
-1.3 V
Cascode;EachSection
Plate current
15 mA
Cascode;EachSection
Characteristic
Transconductance
12500 µS
EachSection
Amplification factor
33
EachSection
Equivalent noise resistance
300 Ω
EachSection
Capacitance
Grid-to-cathode capacitance
3.3 pF
InputSection
Plate-to-grid capacitance
1.4 pF
EachSection
Data set 03
1972 Philips Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Application
CascodeTunerAmplifier text
Data set 04
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
7.6 V
Published nominal value
Heater current
300 mA
Published nominal value
Other
Maximum plate dissipation
1.8 W
Published maximum rating
Data set 05
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Anode current Iy
15 mA
Transconductance S
12.5 mA/V
Heater current I¢
300 mA
Heater voltage Vs
7.6 V
Anode to grid Ca'g' 1.4
1.4 pF
Cathode to grid + heater + screen Cg'/g'fs 6
6 pF
Anode to grid + heater + screen Ca/g'ts 2.8
3.7 pF
Cathode to heater Ck'f 2.7
2.7 pF
Anode to cathode Ca'k' 0.18
0.16 pF
Anode to anode Caa' max.0.045 max
0.015 pF
Grid to anode other unit Cga' max. 0.005 max
0.005 pF
Anode current I
15 mA
Grid resistor Rg max
1 MΩ
Cathode to heater voltage Vkf max
50 V
Vk'f(k'pos) ~max
150 V
lyp.C. component max
130 V
Capacitance
Anode to grid Cag 1.4
1.4 pF
Grid to cathode + heater + screen Cg/kfs 3.3
3.3 pF
Anode to cathode + hea'ter+ screen Cg/kfg 1.8
2.5 pF
Grid to heater Cgf 0.13
0.13 pF
Other
Anode voltage Va, max
550 V
Va max
130 V
Anode dissipation Wy max
1.8 W
Cathode current Ik max
25 mA
Grid voltage -Vg max
50 V