IRF737LC Package Outline TO-220AB Outline Dimensions are shown in millimeters (inches) 2.87 (.113) 2.62 (.103) 10.54 (.415) 10.29 (.405) -B- 3.78 (.149) 3.54 (.139) 4.69 (.185) 4.20 (.165) -A- 1.32 (.052) 1.22 (.048) 6.47 (.255) 6.10 (.240) 4 15.24 (.600) 14.84 (.584) 1.15 (.045) MIN 1 2 14.09 (.555) 13.47 (.530) 4.06 (.160) 3.55 (.140) 3X 3X 1.40 (.055) 1.15 (.045) LEAD ASSIGNMENTS 1 - GATE 2 - DRAIN 3 - SOURCE 4 - DRAIN 3 0.93 (.037) 0.69 (.027) 0.36 (.014) 3X M B A M 0.55 (.022) 0.46 (.018) 2.92 (.115) 2.64 (.104) 2.54 (.100) 2X NOTES: 1 DIMENSIONING & TOLERANCING PER ANSI Y14.5M, 1982. 2 CONTROLLING DIMENSION : INCH 3 OUTLINE CONFORMS TO JEDEC OUTLINE TO-220-AB. 4 HEATSINK & LEAD MEASUREMENTS DO NOT INCLUDE BURRS. Part Marking Information TO-220AB EXAMPLE : THIS IS AN IRF1010 WITH ASSEMBLY LOT CODE 9B1M A INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE PART NUMBER IRF1010 9246 9B 1M DATE CODE (YYWW) YY = YEAR WW = WEEK WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 EUROPEAN HEADQUARTERS: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: (44) 0883 713215 IR CANADA: 7321 Victoria Park Ave., Suite 201, Markham, Ontario L3R 3L1, Tel: (905) 475 1897 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: 6172 37066 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: (39) 1145 10111 IR FAR EAST: K&H Bldg., 2F, 3-30-4 Nishi-Ikeburo 3-Chome, Toshima-Ki, Tokyo 171 Tel: (03)3983 0641 IR SOUTHEAST ASIA: 315 Outram Road, #10-02 Tan Boon Liat Building, Singapore 0316 Tel: 65 221 8371 Data and specifications subject to change without notice. 8/95