Customer PREMO S.A. Project Ref P018FW1CP 1 Customer Ref. Description P018FW1CP 1 Ref. OrderingCode Prototype PW-1505 Planar transformer 50W Date 24/09/07 Edition Page 1 1. Dimensions Notes: - Materials: UL 94V0-Approved. White dot on the PWB marking pin 1. General tolerance:±0.5mm,pin pitch tolerance:±0.2mm. DIMENSIONS: mm TECHNICAL SPECIFICATION 1/4 Customer PREMO S.A. Project Ref Customer Ref. Description P018FW1CP 1 Ref. OrderingCode Prototype P018FW1CP 1 Planar transformer 50W Date PW-1505 Edition 24/09/07 Page 1 2. Electrical parameters CONVERTER FORWARD MODE CONTINUOUS INPUT PRIMARY(Vdc) 36-72 SECONDARY(Vdc/A) 3.3/15A OUTPUT SWITCHING FRECUENCY 400kHz Duty cycle(typical) 0.44 STORAGE TEMPERATURE -20 TO 130ºC MOUNTING PTH INDUCTANCE (Prim) 226.6uH ± 25% LEAKAGE INDUCTANCE (Prim) 1uH MAX TURNS RATIO 9:2 Prim : Sec DC RESISTANCE Primary 70mohm MAX Secondary 3.8mohm MAX SAFETY STANDARD According to UL1950 / EN60950 Notes: - Inductance measured at 10kHz / 10mVac - Leakage inductance measured at 100kHz / 10mVac DIMENSIONS: mm TECHNICAL SPECIFICATION 2/4 Customer PREMO S.A. Customer Ref. Description P018FW1CP 1 Ref. OrderingCode Prototype Project Ref P018FW1CP 1 PW-1505 Planar transformer 50W Date Edition 24/09/07 Page 1 3. Electrical diagram 2 9 5 11 2 6 Demg 7 4. Marking The transformer is marked on the top as follows: PREMO XX:WEEK P018FW1CP1 YY:YEAR 5. Packaging - Tape and reel. Put RoHS label on the package. 6. Standard - RoHS directive 7. Edition control Edition Changed by Date 1st Cherry 25-09-07 DIMENSIONS: mm Change description Preliminary edition TECHNICAL SPECIFICATION 3/4