TO-220 Package Drawing TO-220 Mechanical Data DETAIL ‘A’ OPTION1 OPTION2 OPTION3 COMMON DIMENSIONS MM SYMBOL MIN NOM MAX A 4.3 4.57 4.7 A1 1.2 1.4 A2 2.2 2.4 2.9 b 0.77 0.9 b2 1.23 1.36 c 0.4 0.7 D 15.25 15.6 15.8 D1 8.59 9.1 9.4 E 9.66 10 10.4 E1 8.7 E2 9.66 10 10.4 e 2.54BSC e1 5.08BSC H1 6.2 6.5 6.7 L 12.6 14.27 L1 3.95 ΦP 3.5 3.6 3.9 Q 2.65 2.8 2.95 θ1 1° 3° 5° θ2 1° 3° 5° a1 1.8 a2 3.0 d1 2.0 d2 7.6 f1 1.4 f2 1.5 f3 1.0 g1 2.8 - DETAIL ‘B’ (BACK VIEW) OPTION1 OPTION2 ©Silikron Semiconductor CO.,LTD. DETAIL ‘C’ OPTION3 2011.01.12 www.silikron.com OPTION1 Version : 2.0 OPTION2 page 1of 1