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PY82

Indirectly heated single-anode rectifier diode for power supplies. Rated for approximately 700 V peak inverse voltage and 180 mA nominal rectified output for equipment using series-heater chains.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9C12
Socket code: B9A
Base pins: 9
Nominal heater: 19 V / 300 mA

Description

Single-anode rectifier diode for power-supply service. The supplied French datasheet was translated to English for descriptive output.

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: 9C12
Socket code: B9A
Base pins: 9
Nominal heater voltage: 19 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9C12 - 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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 700 V
Rectifier nominal output current: 180 mA
Rectifier max heater-cathode voltage: 550 V

Published values promoted where clearly readable; identical repeated sections compressed when 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 01

1951 Philips Receiving Tubes for Television

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS Input Voltage
250 V
Output Current
180 mA
Reservoir Capacitance
60 uF
Limiting Resistor
125 ohm
Input=250Vrms
DC Output Voltage
195 V
Input=250Vrms; OutputCurrent=180mA
Maximum Heater Voltage During Warmup
28.5 V

Data set 02

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

Indirect (cathode isolee du filament)
300 mA
Rectifier
Alimentation du filament en serie Vf
19 V
Rectifier
Perveance
2.7 mA/V
Rectifier

Other

Peak inverse voltage
700 V
Rectifier
Rectified output current
180 mA
Rectifier

Data set 03

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Transformer voltage
250 V
Rectified current
180 mA
Transformer voltage maximum
250 V
Inverse plate voltage maximum
700 V
DC output current maximum
180 mA

Data set 04

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS transformer voltage maximum
250 V
Filter capacitance maximum
60 uF

Data set 05

1958 Mullard Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

RMS input maximum
250 V

Data set 06

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Heater voltage
19 V
Published nominal value or midpoint of published range
Heater current
300 mA
Published nominal value or midpoint of published range

Other

Maximum rectified current
180 mA
Published maximum

Data set 07

1963 Philips Electron Tubes Handbook V1

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Transformer secondary voltage
250 Vrms
CapacitorInputFilter
Filter capacitance
60 uF
CapacitorInputFilter
Series resistance
125 ohm
250Vrms
DC output current
180 mA
CapacitorInputFilter
DC output voltage
195 V
250Vrms
Peak inverse voltage
700 V
Maximum heater-cathode voltage
550 V

Data set 08

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

Tension filament ……..…..uereceeeneneneenennnnennnnnennnne O V
19 V
Courant filament …… … Jf
300 mA
Tension inverse de crete danode … Vaicr
700 V
Courant redressé.….….….…. … Ired
180 mA
Tension de crête entre ﬁlament et cathode ................. -Vfk er
550 V
Condensateur à l'entrée du filtre …… . CL
60 uF

Characteristic

avec un condensateur de
60 uF
Courant redressé … Ired 180 | 180 | 180 | 180
180 mA
Tension redressée . Vred 195 | 195 / 195 | 195
1127 V
Va = 250 Veff; Ra =
125 Ω
Va = 240 Veff; Ra =
105 Ω
Va = 127 Veff; Ra =
0 Ω

Data set 09

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

HeaterVoltageNominal
19 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Peak Inverse Voltage
700 V
Rectified Output Current
180 mA
TransformerVoltageRMS
250 V
Single-phase half-wave rectifier

Data set 10

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristics

Heater voltage
19 V
Published nominal value
Heater current
300 mA
Published nominal value

Other

Maximum reservoir capacitor
60 uF
Published
Maximum DC output current
180 mA
Published

Data set 11

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

D.C. current I
180 mA
D.C. current I 180 mA
Heater current I;
300 mA
Heater current I; 300 mA
Heater voltage Vi
19 V
Heater voltage Vi 19V
D.C. output voltage Vo 195 195 195 195
127 V
D.C. output voltage Vo 195 195 195 195 127 V
D.C. current I 180 180 180 180
180 mA
D.C. current I 180 180 180 180 180 mA
Anode voltage, peak inverse Vainvp max.,
700 V
Anode voltage, peak inverse Vainvp max., 700 V
D.C. current I, max
180 mA
D.C. current I, max. 180 mA
Input capacitance of smoothing filter Cgjy, max.,
60 uF
Input capacitance of smoothing filter Cgjy, max., 60 uF 2)
at transformer voltage Vir 250 240 220 200
127 V
at transformer voltage Vir 250 240 220 200 127 V