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Features
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75 5,9 6,7 5,5 (mA/V)
Amplification
µ 62 66 70 60
Internal resistance Ri 16,5 11 10,5 11 (kΩ)
Telephone: FAX: Postal address: Electronic mail: Web site:
+381 18 550 741 +381 18 550 806 Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia [email protected] http://www.eierc.com/rc/default.htm
"Ei-RC" - Electronic tubes factory
ECC81/12AT7
Limiting - maximal values (design center rating system)
Anode voltage
Anode dissipation Cathode current Grid voltage Grid resistor (automatic bias) Cathode to heater voltage
Vao Va Wa Ik Vg
Rg
Vkf
550 300 2,5 15 -50
1
90
Data Sheet Page 3 of 4
(V) (W...
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ECC81 Data Sheet
