LM199/LM399 LM199A/LM399A package DescripTionPlease refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.H Package4-Lead TO-46 Metal Can (Reference LTC DWG # 05-08-1341) Thermal Shield* for TO-46, H Package .209 – .219 .400 – .420 (5.309 – 5.563) (10.160 – 10.668) DIA .178 – .195 .085 – .105 (4.521 – 4.953) (2.159 – 2.667) .500 (12.700) MIN .225 – .240 REFERENCE (5.715 – 6.096) PLANE SEATING* SEATING .025 PLANE PLANE (0.635) MAX .450 .016 – .019 (11.430) REF (0.406 – 0.483) .016 – .019** TYP DIA (0.406 – 0.483) DIA .100 .100 .050 (2.540) (2.540) .050 (1.270) TYP .050 (1.270) TYP (1.270) TYP PIN 1 *THERMAL SHIELD MATERIAL IS VALOX 45 .036 – .046 .028 – .048 (0.914 – 1.168) (0.711 – 1.219) H4(TO-46) 0801 *LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE AND .050" BELOW THE REFERENCE PLANE .016 – .024 **FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS (0.406 – 0.610) revision hisTory (Revision history begins at Rev C)REVDATEDESCRIPTIONPAGE NUMBER C 12/14 Package/Order Information updated 2 Thermal shield dimensions corrected 7 199399fc Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the inter For connection m of ore its i cirnform cuits a as tion www described .linea herein r.c will om not /LM399 infringe on existing patent rights. 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Functional Block Diagram Typical Applications Schematic Diagrams Package Description Revision History Related Parts