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RR3250

Directly heated inert-gas-filled half-wave rectifier for high-voltage circuits with multiple operating regimes. Its gas-assisted construction provides substantial current at multi-kilovolt voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B4B
Base pins: 4
Nominal heater: 2.5 V / 5 A

Description

Inert-gas-filled half-wave rectifier for high-voltage rectifier circuits with published 5 kV and 10 kV rating regimes. Promoted maxima are independent published maxima; 5 kV regime permits 2 A peak/0.5 A average at up to 500 c/s, while 10 kV regime permits 1 A peak/0.25 A average at up to 150 c/s.

Socket description

Medium 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B4B
Base pins: 4
Nominal heater voltage: 2.5 V
Nominal heater current: 5 A
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

Rectifier

X-ray radiationInterelectrode capacitances

Max cathode current: 500 mA
Rectifier peak inverse voltage: 10000 V
Rectifier nominal output current: 500 mA
Rectifier peak forward current: 2 A
Rectifier forward voltage drop: 12 V
Rectifier warm-up time: 10 s

Gas filling: Inert gas. Promoted maxima are independent published maxima; 5 kV regime permits 2 A peak/0.5 A average at up to 500 c/s, while 10 kV regime permits 1 A peak/0.25 A average at up to 150 c/s.

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

1962 Mullard Industrial Rectifiers

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Characteristic

Filling
Inert gas

Other

Cathode Peak Current
2 A
PIV5000V
Cathode Average Current
500 mA
PIV5000V
Maximum Supply Frequency
500 Hz
PIV5000V
Cathode Peak Current
1 A
PIV10000V
Cathode Average Current
250 mA
PIV10000V
Maximum Supply Frequency
150 Hz
PIV10000V
Cathode Surge Current
20 A
FaultProtection;MaximumDuration0.1s
Ambient Temperature
-55 to 75 C