2024年6月13日发(作者：蒯香旋)
元器件交易网
"Ei-RC" - Electronic tubes factory Data Sheet
Page 1 of 4
ECC81/12AT7
ECC81 is R.F. Double Triode
Quick reference data
•
•
•
Anode current I
a
=10mA
Transcoductance S=5,5mA/V
Amplification µ=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
pins
Telephone:
FAX:
Postal address:
Electronic mail:
Web site:
V
f
I
f
6,3
300
9-(4+5)
12
150
4-5
(V)
(mA)
+381 18 550 741
+381 18 550 806
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia
eirc@
/rc/
元器件交易网
"Ei-RC" - Electronic tubes factory Data Sheet
Page 2 of 4
ECC81/12AT7
Dimensions and connections
Base: Noval
Typical characteristics and operating conditions
Anode voltage
Grid voltage
Anode current
Transconductance
Amplification
Internal resistance
Telephone:
FAX:
Postal address:
Electronic mail:
Web site:
V
a
V
g
I
a
S
µ
R
i
100
-1,0
3,0
3,75
62
16,5
170
-1,0
8,5
5,9
66
11
200
-1,0
11,5
6,7
70
10,5
250 (V)
-2,0 (V)
10 (mA)
5,5 (mA/V)
60
11
(kΩ)
+381 18 550 741
+381 18 550 806
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia
eirc@
/rc/
2024年6月13日发(作者：蒯香旋)
元器件交易网
"Ei-RC" - Electronic tubes factory Data Sheet
Page 1 of 4
ECC81/12AT7
ECC81 is R.F. Double Triode
Quick reference data
•
•
•
Anode current I
a
=10mA
Transcoductance S=5,5mA/V
Amplification µ=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
pins
Telephone:
FAX:
Postal address:
Electronic mail:
Web site:
V
f
I
f
6,3
300
9-(4+5)
12
150
4-5
(V)
(mA)
+381 18 550 741
+381 18 550 806
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia
eirc@
/rc/
元器件交易网
"Ei-RC" - Electronic tubes factory Data Sheet
Page 2 of 4
ECC81/12AT7
Dimensions and connections
Base: Noval
Typical characteristics and operating conditions
Anode voltage
Grid voltage
Anode current
Transconductance
Amplification
Internal resistance
Telephone:
FAX:
Postal address:
Electronic mail:
Web site:
V
a
V
g
I
a
S
µ
R
i
100
-1,0
3,0
3,75
62
16,5
170
-1,0
8,5
5,9
66
11
200
-1,0
11,5
6,7
70
10,5
250 (V)
-2,0 (V)
10 (mA)
5,5 (mA/V)
60
11
(kΩ)
+381 18 550 741
+381 18 550 806
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia
eirc@
/rc/