DER-37
16W Adapter using TOP245P
April 27, 2004
8 Common Mode Choke
8.1 Electrical Diagram
50T
28AWG
1
2
4
3
50T
28AWG
Figure 9 – Common Mode Choke Electrical Diagram
8.2 Electrical Specifications
Pins 1-4, all other windings open, measured at
10kHz, 0.4 VRMS
Pins 1-4, all other windings open
Inductance
7 mH, -0/+20%
300 kHz (Min.)
Resonant Frequency
8.3 Materials
Item
Description
Core: Ferrite Toroid P/N 5975001121 (Fair-Rite)
(Distributor Lodestone Pacific USA Tel# (714) 970-0900)
[1]
[2]
[3]
Magnet Wire: 28 AWG
Varnish
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
Page 15 of 32
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