Package Information Vishay Siliconix TO-251AA (HIGH VOLTAGE) 4 3 E1 E Thermal PAD 4 b4 θ2 4 A 0.010 0.25 M C A B L2 4 c2 A θ1 B D D1 A C 3 Seating plane 5 C L1 L3 (Datum A) C L B B A A1 3 x b2 View A - A 2xe c 3xb 0.010 0.25 M C A B Plating 5 b1, b3 Base metal Lead tip c1 (c) 5 (b, b2) Section B - B and C - C MILLIMETERS DIM. MIN. MAX. INCHES MIN. MILLIMETERS MAX. DIM. MIN. INCHES MAX. MIN. MAX. A 2.18 2.39 0.086 0.094 D1 5.21 - 0.205 - A1 0.89 1.14 0.035 0.045 E 6.35 6.73 0.250 0.265 4.32 - 0.170 - b 0.64 0.89 0.025 0.035 E1 b1 0.65 0.79 0.026 0.031 e b2 0.76 1.14 0.030 0.045 L 8.89 9.65 0.350 0.380 b3 0.76 1.04 0.030 0.041 L1 1.91 2.29 0.075 0.090 b4 4.95 5.46 0.195 0.215 L2 0.89 1.27 0.035 0.050 2.29 BSC 2.29 BSC c 0.46 0.61 0.018 0.024 L3 1.14 1.52 0.045 0.060 c1 0.41 0.56 0.016 0.022 θ1 0' 15' 0' 15' c2 0.46 0.86 0.018 0.034 θ2 25' 35' 25' 35' D 5.97 6.22 0.235 0.245 ECN: S-82111-Rev. A, 15-Sep-08 DWG: 5968 Notes 1. Dimensioning and tolerancing per ASME Y14.5M-1994. 2. Dimension are shown in inches and millimeters. 3. Dimension D and E do not include mold flash. Mold flash shall not exceed 0.13 mm (0.005") per side. These dimensions are measured at the outermost extremes of the plastic body. 4. Thermal pad contour optional with dimensions b4, L2, E1 and D1. 5. Lead dimension uncontrolled in L3. 6. Dimension b1, b3 and c1 apply to base metal only. 7. Outline conforms to JEDEC outline TO-251AA. Document Number: 91362 Revision: 15-Sep-08 www.vishay.com 1