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Руководство пользователя LUNDAHL LL1694. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic LUNDAHL SE-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930 TRANSFORMERS SWEDEN Fax +46 - 176 13935 0176-13935 Filament Current Choke LL1694 The LL1694 is a 2 coils choke for tube/valve filament current filtering. 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) 36 6 4 1 3 6 4 3 1 4 x M3 Mounting holes 56 73 Bottom view 53 61 Weight: 0.83 kg Static resistance of each winding: 0.9 ? Isolation between windings / between windings and core: 4 kV / 2 kV Coils in series Coils in parallel Type Approx. Recommended Saturating Approx. Recommended Saturating Inductance DC current current Inductance DC current current (1.25 T) (2.0 T) (1.25 T) (2.0 T) LL1694 / 1.5A 0.16 H 1.5 A 2.4 A 0.04 H 3 A 4.8 A Max. ripple voltage 50 V rms / 25 V rms / at rec. DC current 100 Hz 100 Hz (Ripple voltage is approx. 0.42 x input voltage) Suggested connections: Serial connection Parallel connection 1 3 1 3 LL1694 LL1694 4 6 4 6 Serial connection for improved common mode rejection 1 3 LL1694 4 6 R090212 Note! The LL1694 can also be used in choke input power supplies