POWER TRANSFORMER DST3-20 (F) SERIES 1. CONFIGURATION & DIMENSIONS : 1.041 (0.041) Clearance hole for optional mtg screw and nut W ML 29.98 (1.180) C A A 4 8 B B L 3 7 A A 2 6 1 5 PC terminal PCB Pattern 7.11 (0.28) H UNIT : mm (inch) SIZE VA L W H ML A B C Optional mtg. screw & nut* gram 3 2.4 35.50 30.00 30.50 ---- 6.35 6.35 30.48 None 112 (1.40) (1.180) (1.20) ---- (.250) (.250) (1.200) 2. SCHEMATIC : 8 PIN TYPE DST 4 5 115/230V 3 50/60Hz 2 6 7 1 8 " " indicates polarity 3. ELECTRICAL CHARACTERISTICS ( @ 25°C ) : a. Primary Voltage b. No Load Primary Current Input AC 115V 60Hz . Input AC 230V 50Hz . c. Secondary Voltage (±5%) d. Secondary Load Current e. Full Load Primary Current Input AC 115V 60Hz . Input AC 230V 50Hz . f. Full Load Secondary Voltage (±5%) g. DC Resistance Pin 1-2 Pin 3-4 Pin 5-6 Pin 7-8 h. Insulation Resistance i. Withstand Voltage (Hi-Pot) j. Temperature Rise k. Core Size AC 115/230 V 50/60 Hz . Less Than 15mA . Less Than 15mA . Series AC 27.00V . Parallel AC 13.50V . Series 0.12A . Parallel 0.24A . Less Than 40mA . Less Than 25mA . Series 20.00V . Parallel 10.00V . Primary = 729 Ohm . = 925 Ohm . Secondary = 11.44 Ohm . = 14.11 Ohm . DC 500V 100Meg Ohm Of More . AC 2500V 60Hz 1 Minutes . Less Than 60 Deg C . EI-35 x 14.00 m/m . NOTE : Specifications subject to change without notice. Please check our website for latest information. 15.01.2008 SUPERWORLD ELECTRONICS (S) PTE LTD PG. 1