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Custom Toroidal Coil Structure Transformers/ER11.5 Small SMT Transformer For Audio Interface
Apr 26, 2018

          

                      ER11.5 Small SMT transformer for audio interface        

       ER11.5 Transformer.jpg

                     

             

     

1. Inductance N1:4.0 uH ± 10% @ 250.0 KHz, 1.0 Vrms
Inductance N2:5.76 uH ± 10% @ 250.0 KHz, 1.0 Vrms
Inductance N3:5.76 uH ± 10% @ 250.0 KHz, 1.0 Vrms
Inductance N4:520 uH ± 10% @ 250.0 KHz, 1.0 Vrms
2. Turns Ratio :3~4 : 7~6: 10~9: 1~2 =57:6:6:5±3%
3. Insulation testing :100.0V DC between N1/N2/N3/N4 each


WINDSFWIRETURNSTAPEREMARKS
N112Ø0.30mm*1P 2UEW5
0
Evenly Clockwise
N276Ø0.30mm*1P 2UEW60Evenly Clockwise
N3109Ø0.15mm*1P 2UEW60Evenly Clockwise
N434
Ø0.10mm*1P 2UEW570Evenly Clockwise


No.DESCRIPTIONSMATERIALSUL NO.
1BOBBINER11.5 5+5PIN SMD 130℃E304813
2COREER11.5 DMR44/

                                                                                                                                                                      

3                

                                                                                                                                                      

WIRE

Ø0.10mm*1P 2UEW 130℃

                                                                                                                                                      

E344055

Ø0.15mm*1P 2UEW 130℃
Ø0.30mm*1P 2UEW 130℃
4EPOXYEPOXY G-9007 BLACK/
5SOLDER99.3Sn/0.7Cu/


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