12AT7 Datasheet PDF - Ei-RC

Part Number 12AT7
Description Double Triode
Manufacturers Ei-RC 
Logo Ei-RC Logo 

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"Ei-RC" - Electronic tubes factory
ECC81 is R.F. Double Triode
Data Sheet
Page 1 of 4
Quick reference data
Anode current Ia=10mA
Transcoductance S=5,5mA/V
Amplification µ=60
Heating is indirect by AC od DC, with serial or parallel supply. Please note that, in case of
serial supply, a current limiting device must be inserted in the heater circuit for limiting the
current when switching on.
Heater voltage
Heater current
Vf 6,3 12 (V)
If 300 150 (mA)
Postal address:
Electronic mail:
Web site:
+381 18 550 741
+381 18 550 806
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia

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