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1、EIA STANDARD 8 mm through 200 mm Embossed Carrier Taping and 8 mm if used, dimensions B and D shall apply. N (Hub diameter, see Note 2, Tables 1, 2 & 3) A (Hub diameter, see Note 2, Tables 1, 2 & 3) W1 (Measured at hub) W2 (Measured at hub) W3 (Includes flange distortion at outer edge) Reel With Dri
2、ve Hole Reel Without Drive Hole N C (Arbor Hole Diameter) Optional Access Hole ( 40 mm min.) R28.55 25.4 9.5 7.6 Drive Hole EIA-481-B Page 15 Table 4 - Reel dimensions See Section 4.0 for requirements (all dimensions in millimeters) Constant Dimensions Reels Without Drive HoleReels With Drive Hole T
3、ape Size A Max. B Min. CD Min. BC Max. D 8 mm to 200 mm 6091.5 13.0+0.5 -0.2 20.2 Not Applicable 29.2 Not Applicable Variable Dimensions Tape Size (mm) N Min. See Note 2, Tables 1-3 W1W2 Max for A 360 mm See Note 1 W2 Max for A 360 and 609 mm See Note 2 W3 8 8.4 +1.5/-0.0 14.414.4 12 12.4 +2.0/-0.0
4、18.418.4 16 50 16.4 +2.0/-0.0 22.429.0 2460 24.4 +2.0/-0.0 30.437.0 32 32.4 +2.0/-0.0 38.445.0 44 44.4 +2.0/-0.0 50.457.0 56 56.4 +2.0/-0.0 62.469.0 72 72.4 Min. 89.0 88 88.4 Min. 105.0 104 104.4 Min. 121.0 120 120.4 Min. 137.0 136 136.4 Min. 153.0 152 152.4 Min. 169.0 168 168.4 Min. 185.0 184 184.4
5、 Min. 201.0 200 See Note 3 200.4 Min. 217.0 Shall Accommodate Tape Width Without Interference Notes 1 For reels less than 360 mm diameter (A), the most widely used reel diameters are 178 mm 2 mm and 330 mm 2 mm. Reel diameters ranging from 254 mm to 292 mm also exist. Commonly used hub diameters are
6、 80, 100, 150, and 178 mm. 2 For reels greater than or equal to 360 mm diameter (A), various sizes exist with the most widely used being 381 mm 2 mm, 482 mm 2 mm and 558 mm 2 mm. Hub diameters vary widely, up to 254 mm. 3 Tape with components must wrap around hub without damage. EIA-481-B Page 16 Le
7、ft Intentionally Blank. EIA-481-B Page 17 Addendum Complementary taping standards: EIA-7268 mm Punched & Embossed Carrier Taping of Surface Mount Components for Automatic Handling of Devices Smaller Than 2.0 mm x 1.2 mm EIA-747Adhesive Backed Punched Plastic Carrier Taping of Singulated Bare Die and
8、 Other Surface Mount Components for Automatic Handling of Devices Generally Less Than 1.0 mm Thick EIA-763Bare Die and Chip Scale Packages Taped in 8 mm & 12 mm Carrier Tape for Automatic Handling Recommendation: For waste minimization purposes it is recommended that the industry modify its methods
9、and equipment so that the minimum leader dimension can be eventually reduced from 400 mm to 320 mm and that the minimum trailer dimension be reduced from 160 mm to 80 mm. EIA Document Improvement Proposal If in the review or use of this document, a potential change is made evident for safety, health
10、 or technical reasons, please fill in the appropriate information below and mail or FAX to: Electronic Industries Alliance Technology Strategy & Standards Publications Office 2500 Wilson Blvd. Arlington, VA 22201 FAX: (703) 907-7501 Document No.Document Title: Submitters Name:Telephone No.: FAX No.:
11、 e-mail: Address: Urgency of Change: Immediate:At next revision: Problem Area: a. Clause Number and/or Drawing: b. Recommended Changes: c. Reason/Rationale for Recommendation: Additional Remarks: Signature:Date: FOR EIA USE ONLY Responsible Committee: Chairman: Date comments forwarded to Committee Chairman:
