Mundorf MCap Classic 630V 0,22 uF ±3%
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Description
LL1545A is a general purpose audio transformer with a variety of connection alternatives. The transformer is
built up from two coils, each with a secondary winding surrounded by shields and two primary windings. This
structure
results in an excellent frequency response.
The LL1545A transformer can be used in many different applications such as a high impedance line input transformer (accepting signal levels of 22 dBU @ 40 Hz with primaries in series), for splitting or as a microphone input transformer. The LL1545A is made with a mu-metal core and is housed in a mu-metal can. Refer to page 2 of this sheet for termination alternatives.
Turns ratio: 1 + 1 + 1 + 1 : 2 + 2
Dimensions: (Length x Width x Height above PCB (mm))
Spacing between pins: 2.54 mm (0.1")
Spacing between rows of pins: 22.86 mm (0.9")
Weight: 46 g
Rec. PCB hole diameter: 1.5 mm
Static resistance of each primary (average): 147 O
Static resistance of each secondary (average): 295 O
Self resonance point: > 220 kHz
Recommended load for best square-wave response (Termination alternative A below): 6 .7 k O+ 470 pF
Frequency response ( source 600 O, load (6.7 k O+ 470 pF) in parallel with 56 k O): 10 Hz - 70 kHz +/- 0.5 dB @ 0 dBU
Loss across transformer (at mid-band with termination as above): 0.3 dB
Core: Mu-metal Isolation between windings / between windings and shields: 3 kV / 1.5 kV
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