1. |
CONTROLLING DIMENSION:
MILLIMETERS. INCHES SHOWN FOR REFERENCE ONLY.
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‘D1’AND
‘E1’ DO NOT INCLUDE MOLD FLASH OR
PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL
NOT EXCEED 0.25mm PER SIDE. 'D1' AND 'E1'
INCLUDE MOLD MISMATCH.
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THE BASIC LEAD SPACING IS
0.50mm BETWEEN CENTERLINES. EACH LEAD
CENTERLINE SHALL BE LOCATED WITHIN ±0.10mm
OF ITS EXACT TRUE POSITION.
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4. |
LEADS SHALL BE COPLANAR
WITHIN 0.08mm AT THE SEATING PLANE.
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DIMENSION ‘b’
DOES NOT INCLUDE DAMBAR PROTRUSION. THE
DAMBAR PROTRUSION(S) SHALL NOT CAUSE THE LEAD
WIDTH TO EXCEED ‘b’ MAXIMUM BY MORE
THAN 0.08mm. DAMBAR CAN NOT BE LOCATED ON THE
LOWER RADIUS OR THE LEAD FOOT. MINIMUM SPACE
BETWEEN PROTRUSION AND AN ADJACENT LEAD IS
0.07mm.
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DETAILS OF PIN1 IDENTIFIER
ARE OPTIONAL BUT MUST BE LOCATED WITHIN THE
ZONE INDICATED.
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EXACT SHAPE AND SIZE OF
THIS FEATURE IS OPTIONAL.
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THESE DIMENSIONS APPLY TO
THE FLAT SECTION OF THE LEAD BETWEEN 0.10mm
AND 0.25mm FROM THE LEAD TIP.
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‘A1’ IS DEFINED
AS THE DISTANCE FROM THE SEATING PLANE TO THE
LOWEST POINT OF THE PACKAGE BODY (BASE
PLANE).
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THE TOP PACKAGE BODY MAY
BE SMALLER THAN THE BOTTOM PACKAGE BODY SIZE
BY AS MUCH AS 0.15mm.
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