Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Steady-State Peak Plate Current
1500 mA
TVDamper
Rectifier - Damper Diode ·Rectifier
34CE3
High-voltage television damper diode for horizontal-deflection circuits, designed to conduct recovery current and withstand repetitive inverse sweep pulses.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 12GK
- Socket code
- B12C
- Base pins
- 12
- Nominal heater
- 34.6 V / 450 mA
Description
Duodecar half-wave vacuum rectifier used as a damper diode in the horizontal-deflection circuit of color television receivers.
Socket description
Duodecar 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 12GK
- Socket code
- B12C
- Base pins
- 12
- Nominal heater voltage
- 34.6 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12GK - 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
- Max plate dissipation
- 11 W
- Rectifier peak inverse voltage
- 5000 V
- Rectifier nominal output current
- 350 mA
- Rectifier peak forward current
- 1.5 A
- Rectifier forward voltage drop
- 20 V
- Rectifier max heater-cathode voltage
- 5600 V
- Rectifier warm-up time
- 11 s
TV damper.
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
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater Voltage (ac/dc) 6.3
34.6 V
Published in approved 34CE3 target datasheet entry; Section1
Heater Current 2.6
450 mA
Published in approved 34CE3 target datasheet entry; Section1
Heater Warm-up Time (Average)
11 seconds
Published in approved 34CE3 target datasheet entry; Section1
Plate to Cathode and Heater
13 pF
Published in approved 34CE3 target datasheet entry; Section1
Cathode to Plate and Heater
18 pF
Published in approved 34CE3 target datasheet entry; Section1
Heater to Cathode
5.5 pF
Published in approved 34CE3 target datasheet entry; Section1
Peak Inverse Plate Voltage*
5000 V
Published in approved 34CE3 target datasheet entry; Section1
Peak Plate Current
1500 mA
Published in approved 34CE3 target datasheet entry; Section1
Average Plate Current
350 mA
Published in approved 34CE3 target datasheet entry; Section1
Plate Dissipation
11 W
Published in approved 34CE3 target datasheet entry; Section1
Bulb Temperature (At hottest point)
220 °C
Published in approved 34CE3 target datasheet entry; Section1
Peak value +300
5600 V
Published in approved 34CE3 target datasheet entry; Section1
Average value +100
-900 V
Published in approved 34CE3 target datasheet entry; Section1
Tube Voltage Drop for plate current of
680 mA
Published in approved 34CE3 target datasheet entry; Section1
Tube Voltage Drop for plate current of 680 mA
20 V
Published in approved 34CE3 target datasheet entry; Section1
# Pulse duration must not exceed 15% of a horizontal scanning cycle (
10 microseconds
Published in approved 34CE3 target datasheet entry; Section1
Heater Voltage (ac/dc) 6.3 19
25 V
Published in approved 34CE3 target datasheet entry; Section1
Heater Current 1.8 0.6
450 mA
Published in approved 34CE3 target datasheet entry; Section1
Heater Warm-up Time — 11
11 seconds
Published in approved 34CE3 target datasheet entry; Section1
Peak Plate Current
2100 mA
Published in approved 34CE3 target datasheet entry; Section1
Average Plate Current +300
350 mA
Published in approved 34CE3 target datasheet entry; Section1
Plate Dissipation
6.5 W
Published in approved 34CE3 target datasheet entry; Section1
Peak value
-5000 V
Published in approved 34CE3 target datasheet entry; Section1
Average value +100
900 V
Published in approved 34CE3 target datasheet entry; Section1
Tube VoitAge Drop for plate current of
700 mA
Published in approved 34CE3 target datasheet entry; Section1
Tube VoitAge Drop for plate current of 700 mA
25 V
Published in approved 34CE3 target datasheet entry; Section1