Recommended Pad Layout
HS Series encoders and decoders are implemented in an industry standard
20-pin Shrink Small Outline Package (20-SSOP). The recommended layout
dimensions are shown in Figure 6.
0.047
(1.19)
0.016
(0.41)
0.026
(0.65)
0.234 (5.94)
0.328 (8.33)
Figure 6: PCB Layout Dimensions
Production Considerations
These surface-mount components are designed to comply with standard
reflow production methods. The recommended reflow profile is shown
below and should not be exceeded, as permanent damage to the part may
result.
Lead-Free
Sn / Pb
275
250
225
200
175
150
125
100
75
50
25
260°C Max
240°C Max
0
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
320
340
360
380
400
420
TIME (SECONDS)
Figure 7: MT Series Reflow Profile
– 4 –
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