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Руководство пользователя LUNDAHL LL1638AM. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic
S-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930
SWEDEN Fax +46 - 176 13935 0176-13935
Choke LL1638
The LL1638 is a 2 coils choke for tube amplifier anode supply.
The choke is available with different core air-gap, which results in different inductance and DC current
capability.
The coil is wound using our standard high internal isolation technique with isolation foil between each copper
layer. The core is an audio C-core of our own production.
Winding schematics, physical dimensions, pin and mounting hole layout (all dimensions in mm)
35
6 4 3 1 6 4 1 3
4 x M4
Mounting holes
75
95
Bottom view
50 75
Weight: 1.35 kg
Static resistance of each winding: 18 W
Isolation between windings / between windings and core: 4 kV / 2 kV
Coils in series Coils in parallel
In- Recommended Saturating In- Recommended Saturating
Type ductance DC current current ductance DC current current
LL1638 / 4 H 4 H 400 mA 575 mA 1 H 800 mA 1150 mA
LL1638 / 8 H 8 H 200 mA 290 mA 2 H 400 mA 580 mA
LL1638 / 10 H 10 H 150 mA 215 mA 2.5 H 300 mA 430 mA
Max. ripple voltage 300V rms / 150V rms /
at rec. DC current 100 Hz 100 Hz
Suggested connections:
Serial connection Parallel connection
1 3 1 3
LL1638 LL1638
4 6 4 6
Serial connection for improved common mode rejection
1 3
LL1638
4 6
R010223