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MC34271 Datasheet(PDF) 10 Page - ON Semiconductor |
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MC34271 Datasheet(HTML) 10 Page - ON Semiconductor |
10 / 12 page MC34271 http://onsemi.com 10 PACKAGE DIMENSIONS QFP–32 FB SUFFIX CASE 873–01 ISSUE A 0.274 0.274 0.055 0.010 0.051 0.010 – 0.005 0.013 6 ° 0.005 5 ° 0.006 0.348 0.006 5 ° 0.348 MIN MIN MAX MAX MILLIMETERS INCHES DIM 7.10 7.10 1.60 0.373 1.50 – 0.20 0.197 0.57 8 ° 0.135 10 ° 0.25 9.15 0.25 11 ° 9.15 6.95 6.95 1.40 0.273 1.30 0.273 – 0.119 0.33 6 ° 0.119 5 ° 0.15 8.85 0.15 5 ° 8.85 0.031 BSC 0.220 REF 0.016 BSC 0.80 BSC 5.6 REF 0.40 BSC A B C D E F G H J K L M N P Q R S T U V X 0.280 0.280 0.063 0.015 0.059 – 0.008 0.008 0.022 8 ° 0.005 10 ° 0.010 0.360 0.010 11 ° 0.360 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DATUM PLANE –H– IS LOCATED AT BOTTOM OF LEAD AND IS COINCIDENT WITH THE LEAD WHERE THE LEAD EXITS THE PLASTIC BODY AT THE BOTTOM OF THE PARTING LINE. 4. DATUMS –A–, –B– AND –D– TO BE DETERMINED AT DATUM PLANE –H–. 5. DIMENSIONS S AND V TO BE DETERMINED AT SEATING PLANE –C–. 6. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. ALLOWABLE PROTRUSION IS 0.25 (0.010) PER SIDE. DIMENSIONS A AND B DO INCLUDE MOLD MISMATCH AND ARE DETERMINED AT DATUM PLANE –H–. 7. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. –H– DATUM PLANE X K DETAIL C U T R Q P DETAIL A –A–,–B–,–D– B B J BASE METAL D N SECTION B–B VIEW ROTATED 90 ° CLOCKWISE F –H– DATUM PLANE H 32 25 24 17 16 9 8 1 V B –B– L –A– L –D– A S DETAIL A –C– SEATING PLANE C E DETAIL C M M G 1.0 REF 0.039 REF C 0.20 (0.008) A–B D S S M 0.01 (0.004) H 0.20 (0.008) A–B D S S M C 0.20 (0.008) A–B D A–B 0.05 (0.002) S S M |
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