TABLE 1: ELECTRICAL SPECIFICATIONS AT 25 OC FIGURE 1: SCHEMATIC DIAGRAM SWITCHING TRANSFORMER DESIGNED FOR USE WITH POWER INTEGRATIONS TNY-267 PARAMETER SPEC LIMITS TYP. MAX. MIN. PRIMARY INDUCTANCE (3-1) FREQ. = 100 KHZ @ 0.250Vrms TURN RATIO'S: SEC #1 (6-5) : PRIMARY (3-1) SEC #2 (10-9) : PRIMARY (3-1) 1000 1050 1100 DOT ON BOBBIN DENOTES PIN #1 10 UNITS SECONDARY #2 12V@380mA HY 1 9 -------- 1 : 9.0 -------- 1 : 9.0 --------------- + 4% + 4% -------- 45 HY PRIMARY 6 PRI LEAKAGE IND. (10-5 SHORTED) FREQ. = 100 KHZ @ 0.250Vrms HIPOT: BETWEEN EACH WDGS -------- 3 SECONDARY #1 12V@380mA 3000 -------- -------- Vrms 5 FIGURE 2: PHYSICAL DIMENSIONS mm (INCHES) 10 9 8 7 6 5 P PNY-12238A M YYWW PIN #1 WHITE DOT 1 2 3 18.2 (.716) MAX 16.5 (.650) MAX 4 18 (.709) MAX 6.0 (.236) TYP 4.5 (.177) TYP 0.6 DIA. (.024) 12.2 (.480) * Design to UL/CSA/IEC 60950-1 Certified File #E162344. * Design to comply with the requirements of UL, IEC & CSA Insulation System Class B. * All units comply with the requirements of EU RoHS Directive. * All materials per Premier Magnetics UL file #E177139.AllCOC * 3000 Vrm Isolation (Hi-Pot). 10.5 (.413) 3.5 (.138) REMOVE PIN 7 & 8 1 10 RoHS P M 2 9 3 8 7 2.7 (.106) 4 6 5 REV. 01/27/11 DESCRIPTION OF CHANGES REV OF PNY-12238 WITH 3KV BETWEEN ALL WDG BY PP 04/29/11 03/1`2/13 UPDATE TO UL MARKING Revised pin row pitch dimension to match actual Bobbin; was 12.5mm. ECO 0069. PP KC 13.5 (.531) UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN mm. DIMENSIONAL TOLERANCES ARE: DECIMALS ANGLES .X + .25 +0 O 30' .XX + .15 DRAW ING NOT TO SCALE. TRANSFORMER CONTROL DRAWING PREMIER P/N: PNY-12238A REVISION: 03/12/13 DRAWN BY: PETER PHAM REF: TNY-267 SCALE: NONE SHEET: 1 OF 1