BAS21TMR6
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4
PACKAGE DIMENSIONS
SC−74
CASE 318F−05
ISSUE N
23
456
D
1
eb
E
A1
A
0.05 (0.002)
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH
THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIAL.
4. 318F−01, −02, −03 OBSOLETE. NEW STANDARD 318F−04.
C
L
HE
DIM
AMIN NOM MAX MIN
MILLIMETERS
0.90 1.00 1.10 0.035
INCHES
A1 0.01 0.06 0.10 0.001
b0.25 0.37 0.50 0.010
c0.10 0.18 0.26 0.004
D2.90 3.00 3.10 0.114
E1.30 1.50 1.70 0.051
e0.85 0.95 1.05 0.034
0.20 0.40 0.60 0.008
0.039 0.043
0.002 0.004
0.015 0.020
0.007 0.010
0.118 0.122
0.059 0.067
0.037 0.041
0.016 0.024
NOM MAX
2.50 2.75 3.00 0.099 0.108 0.118
HE− −
L
0°10°0°10°
q
q
0.7
0.028
1.9
0.074
0.95
0.037
2.4
0.094
1.0
0.039
0.95
0.037
ǒmm
inchesǓ
SCALE 10:1
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
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