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TO-220 7-Lead Package Outline (Flow 37)
(Reference LTC DWG # 05-08-1497) .147 – .155
(3.734 – 3.937)
DIA .390 – .415
(9.906 – 10.541) .165 – .180
(4.191 – 4.572) SEATING PLANE
.045 – .055
(1.143 – 1.397) .230 – .270
(5.842 – 6.858)
.570 – .620
(14.478 – 15.748) .460 – .500
(11.684 – 12.700) .600 – .620*
(15.240 – 15.748) .330 – .370
(8.382 – 9.398) .095 – .115
(2.413 – 2.921) .025R
(0.635)
TYP
.140 – .160*
(3.556 – 4.064) .050
(1.270)
BSC .026 – .036
(0.660 – 0.914) *MEASURED AT SEATING PLANE
CONTROLLING DIMENSIONS ARE IN INCHES .110 …