TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC PARAMETER MIN. SPEC LIMITS TYP. PRIMARY INDUCTANCE (3-1) VOLTAGE = 0.250Vrms FREQUENCY = 100 KHZ 425 470 FIGURE 1: SCHEMATIC DIAGRAM MAX. UNITS 515 µHY WHITE DOT DENOTES PIN #1 (HOT RAIL) 1 12 (360V@180mA) PRIMARY TURN RATIO'S: SEC (12-7) : PRIMARY (3-1) BIAS (5-6) : PRIMARY (3-1) PRI LEAKAGE IND. (SEC SHORTED) 0.250Vrms @ 100 KHZ --------------- 3.6 : 1 1: 6.25 --------------- + 4% + 4% -------- -------- TDB µHY (DRAIN) 3 SECONDARY (+BIAS) 5 BIAS HIPOT: PRIMARY TO SECONDARIES BIAS TO SECONDARIES 3000 3000 --------------- --------------- 7 (RETURN) (HOT RETURN) 6 Vrms Vrms NOTE1: A) ALL MATERIALS MEET "UL", "CSA" & "IEC" REQUIREMENTS B) ALL MATERIAL RATED 130C OR BETTER. C) MARGIN TAPE TO MEET >6.4mm CREEPAGE REQUIREMENTS. D) VARNISH FINISHED ASSEMBLY. FIGURE 2: PHYSICAL DIMENSIONS mm (INCHES) 12 11 10 9 8 7 P TSD-1851 M YYWW PIN #1 WHITE DOT 1 2 3 4 5 6 41.50 (1.63) MAX CORE TAPED 31.00 (1.220) MAX 37.00 (1.46) MAX 1 2 3 5.00 (.197) 4 25.00 (.984) 5 0.8 DIA. (.032) 6 4.0 (.157) MIN 22.5 (.886) REV. 05/08/03 PP UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MM DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DO NOT SCALE DRAWING DESCRIPTION OF CHANGES UPDATE RELEASE, CHANGED LEAKAGE TO 25uH FLYBACK/FORWARD CONTROL DRAWING PREMIER P/N: TSD-1851 REVISION: 05/08/03 DRAWN BY: PETER PHAM REF: SCALE: NONE SHEET: 1 OF 3 BY PP