1、BRITISH STANDARD BS 6600-1: 1987 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment Part 1: Specification for the outline dimensions of transformers and inductors using YEI-1 laminations UDC 621.314.1/.2+621.318.43.041.1:621.38/.39BS6600-1:1987 Thi
2、s British Standard, having been prepared under the directionof the Electronic Components Standards Committee, was published underthe authority of the BoardofBSI and comes into effect on 31July1987 BSI 01-2000 The following BSI references relate to the work on this standard: Committee referenceECL/18
3、 Draft for comment84/29808DC alternative designs are permissible within the specified dimensions. NOTE 3Where terminals are required, the dimensions will increase accordingly. NOTE 4The aspect ratio of the fixing slots (length:width) should be not less than15:1. NOTE 5Dimensions “D” denote positions
4、 of mounting holes. Figure 4 Frame mounting style for laminations YEI1-22 to YEI1-80BS6600-1:1987 BSI 01-2000 9 Table IV Dimensions for frame mounting style Core designation S nom A max B max C max D 1 IT12 D 2 IT12 D 3 IT12 G max G min (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) YEI 1-22 c 18 72 6
5、1 49 50 38 34 4.5 4.3 1-22 d 22 53 38 1-22 e 28 59 44 1-22 f 35 66 51 YEI 1-25 c 20 81 69 55 56 43 38 4.5 4.3 1-25 d 25 60 43 1-25 e 31 66 49 1-25 f 40 75 58 YEI 1-28 d 28 90 76 67 63 49 47 4.5 4.3 1-28 e 35 74 54 1-28 f 45 84 64 1-28 g 56 95 75 YEI 1-32 d 32 103 87 77 72 56 56 5.5 5.3 1-32 e 40 85
6、64 1-32 f 51 96 75 1-32 g 64 109 88 YEI 1-36 d 36 115 97 86 84 63 61 5.5 5.3 1-36 e 45 95 70 1-36 f 58 108 83 1-36 g 72 122 97 YEI 1-40 d 40 127 107 96 90 70 67 6.7 6.4 1-40 e 50 106 77 1-40 f 64 120 91 1-40 g 80 136 107 YEI 1-50 d 50 160 136 120 112 87 80 8.7 8.4 1-50 e 63 133 93 1-50 f 80 150 110
7、1-50 g 100 170 130 YEI 1-64 d a 64 203 171 149 144 112 100 10.9 10.5 1-64 e 80 165 116 1-64 f 102 187 138 1-64 g 128 213 164 YEI 1-80 d a 80 255 215 185 180 140 120 10.9 10.5 1-80 e 100 205 140 1-80 f 128 233 168 1-80 g 160 265 200 a Laminations in accordance with the ratios prescribed inTableX of B
8、S6554-1:1984.10 blankBS6600-1:1987 BSI 01-2000 Publications referred to BS 415, Specification for safety requirements for mains-operated electronic and related apparatus for household and similar general use. BS 2045, Preferred numbers. BS 4500, ISO limits and fits. BS 4500-1, General, tolerances an
9、d deviations. BS 6554, Laminations for transformers and inductors for use in telecommunication and electronic equipment. BS 6554-1, Specification for dimensions, mechanical characteristics and electrical testing. IEC 852-1, Outline dimensions of transformers and inductors for use in telecommunicatio
10、n and electronic equipment Part 1: Transformers and inductors usingYEI-1 laminations 1) . 1) Referred to in the foreword only.BS 6600-1: 1987 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It pr
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