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VI3-70/32

PULSE RECTIFIER TUBE

The VI3-70/32 rectifier tube is used as a clipping, protective, charging and rectifying diode in stationary and movable RF equipment

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: glass-to-metal.
Anode cooling: forced air.
Height: at most 252 mm.
Diameter: at most 50 mm.
Mass: at most 400 g

vi3-70[32(2)00091.jpg

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz 5-200
acceleration, m/s² 40
Multiple impacts with acceleration, m/s² 343
Ambient temperature, °C -60 to +85
Relative humidity at up to +40 °C, % 98

BASIC DATA
Electrical Parameters
Heater voltage, V 12.6
Heater current, A 4.8-5.8
Peak anode voltage change (at peak anode current 70 A, anode current pulse duration 1-4 µs, 1/duty factor 5,000), kv, at most 4.9
Anode-cathode capacitance, pF, at most 10
Peak anode voltage change over 500 h of
service, kV
5.6

Limit Operating Values
Heater voltage, V 12-13
Peak reverse voltage, kV 32
Peak anode current, A 70
Anode dissipation, W 80
Pulse duration, µs 2.5
Warm up time, s, at most 90
Anode temperature, °C 150

vi3-70[32(2)00092.jpg
Averaged Anode Characteristic Curve:
Uf = 12.6V