ECC81 - Double Triode
"Ei-RC" - Electronic tubes factory Data Sheet Page 1 of 4 ECC81/12AT7 www.datasheet4u.com ECC81 is R.F.
Double Triode Quick reference data Anode current Ia=10mA Transcoductance S=5,5mA/V Amplification ยต=60 Heating 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 p
