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SG204K

Stabilitrontube fordirect voltage stabilization and reference voltage creation. Case type: metal-ceramic. Mass 10 g

Main parameters

Ignition voltage, V

≤220*

Stabilization voltage, V

cathode-to-anode

cathode-to-intermediate electrode

160..169

79..86

Allowed current range, mA

1..15

Stabilization voltage change in allowed current range, V

cathode-to-anode

cathode-to-intermediate electrode

≤4

≤3

Stabilization voltage drift (during 50 h at +25oC), V

≤0.3

Stabilization voltage repetition, V

≤0.1

Temperature coefficient of voltage (anode-to-cathode), mV/oC

at +25..+155oC

at -60..+25 oC

-5..+5

-7..0

Low-frequency noise voltage (at anode current 1mA), mV

≤20

Durability, h

≥2000

Durability test:

Ignition voltage (cathode-to-anode), V

stabilization voltage change from initial level, V

Stabilization voltage change in allowed current range, V

≤220*

≤14

≤4.5

* ignition voltage 200 V with resistor (0.5..1 M?) between anode and intermediate electrode

Operational limits

Current, mA

1..15

Warm-up time, s

1

Ambient air temperature, oC

-60..+155

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