L Package 20-Pin Leadless Chip Carrier (Rectangular, Hermetic) (Reference LTC DWG # 05-08-1250) .280 – .305 (7.112 – 7.747) .045 – .055 (1.143 – 1.397) .060 – .075 (1.524 – 1.95) .010 × 45° (0.254) REF .050 – .065 (1.270 – 1.651) .075 – .095 (1.905 – 2.413) .045 – .055 (1.143 – 1.397) PIN 1 .440 (11.176) MAX TOP .420 – .440 (10.668 – 11.176) BOTTOM .050 (1.270) BSC .305 (7.747) MAX .022 – .028 (0.559 – 0.711) .020 × 45° 3PLCs (0.508) REF .003 – .015 (0.076 – 0.381) .008 (0.203) RAD .015 (0.381) MIN L20(REC) 0204