Data Sheet
Package Specifications
Version 1.1, March 30, 2007 Proprietary to OmniVision Technologies, Inc. 27
O
mni ision
IR Reflow Ramp Rate Requirements
OV7725 Lead-Free Packaged Devices
Figure 15  IR Reflow Ramp Rate Requirements
Note: For OVT devices that are lead-free, all part marking letters are 
lower case
Table 8  Reflow Conditions
Condition Exposure
Average ramp-up rate (30°C to 217°C) Less than 3°C per second
> 100°C Between 330 - 600 seconds
> 150°C At least 210 seconds
> 217°C At least 30 seconds (30 ~ 120 seconds)
Peak temperature 245°C
Cool-down rate (peak to 50°C) Less than 6°C per second
Time from 30°C to 245°C No greater than 390 seconds
time (sec)
temperature
(°C)
-22
-2
18
38
58
78
98
118
138
158
178
358
338
318
298
278
258
238
218
198
369
0.0
300.0
275.0
250.0
225.0
200.0
175.0
150.0
125.0
100.0
75.0
50.0
25.0
Z1 Z2 Z3 Z4 Z5 Z6 Z7 end
7725CSP_DS_01
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