參數(shù)資料
型號: AN610
廠商: Vishay Intertechnology,Inc.
英文描述: PolarPAK Solder Joint Reliability Based on Thermal Fatigue IPC-9701
中文描述: PolarPAK的焊點熱疲勞的可靠性基于IPC - 9701
文件頁數(shù): 15/17頁
文件大?。?/td> 1211K
代理商: AN610
Vishay Siliconix
AN610
Document Number 73507
31-Aug-05
www.vishay.com
15
Appendix D
Performance and Reliability of Solder Joints for Vishay Siliconix SMD Part Package -- PolarPAK
Scope of work for temperature cycling
Using IPC-9701 guidelines
Test sample size distribution:
Total number of test vehicles (PCBs):
Total number of daisy chains:
6 (+1 reference board)
42 (+7 on reference board)
Variety of PCBs - lead-free assemblies:
PCB #SMD125T16L Ver_C Side A
Number of PolarPAK parts on each PCB:
Number of PolarPAK daisy chains per PCB:
6 (+1 reference board)
7
7
Number of parts reworked:
Number of parts reworked per PCB:
10 (+2 on reference board)
2 for 6 out of 7 test boards (including reference board)
Temperature cycle definition:
TC1 0 °C to 100 °C tolerance +/-5 °C
Temperature ramp rate:
High temperature dwell:
Low temperature dwell:
20 °C/minutes
10 minutes
10 minutes
Test duration:
Whichever condition occurs first:
50% cumulative failure
or
Number of thermal cycles: NTC-D
In case of failure continue testing up to 6,000 cycles or 50% cumulative failures, whichever occurs first.
3,000 cycles
Temp Cycle
0
20
40
60
8
0
100
120
0
5
15
20
3
0
3
5
45
50
Time in Min.
T
T
s
(m
a
x)
T
s
(min)
Time
Temp
0
0
5
100
15
100
20
0
30
0
35
100
45
100
50
0
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