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(diǎn)熱疲勞的可靠性基于IPC - 9701
文件頁數(shù)： 7/17頁
文件大?。?/td> 1211K
代理商： AN610
Vishay Siliconix
AN610
Document Number 73507
31-Aug-05
www.vishay.com
7
If any solder joint failure occurs, it is detected by com-
paring the joint resistance and is recoded with
respect to the cycle number in which it occurred.
(2) Test setup:
A programmable temperature cycling chamber was
programmed for the temperature cycle shown in Fig-
ure 13. The test chamber had a pre-wired card-cage
that could take multiple PCB assemblies conforming
to the card-cage form-factor. Each daisy chain was
connected to an analysis-tech event detector sys-
tem. The latter device compared, at a preset interval
of one cycle time during dwell-time, the resistance
with preset value 1 k
, and reported/recorded an
event any time the daisy chain resistance exceeded
the preset value. Thus, even momentarily open cir-
cuits were caught and reported.
(3) Temperature cycling chamber calibration:
The temperature cycle chamber was calibrated for a
thermal mass of test load by measuring the actual
temperature profile on pertinent locations on the PCB
assembly and component. Figure 14 shows the cali-
brated profile used during the actual testing.
(4) Temperature cycling:
The very first and last steps of the temperature
cycling test are measurements of daisy chain resis-
tance. Appendix E is a tabulated record of each daisy
chain resistance before and after the temperature
cycling. The first resistance column is initial resis-
tance and the second resistance column is the value
after 3,000 cycles.
PCB assemblies were loaded in the temperature
cycling chamber to begin the thermal fatigue test.
(5) Test database
The final test results are tabulated in the following
table:
Table 4:
3,000-Cycle Test Data
Figure 14: Calibration Profile
Vi
s
h
a
y Bo
a
rd # 1
0 to 100°C
10 min. r
a
mp
a
nd 10 min. dwell
-20
-10
0
10
20
3
0
40
50
60
70
8
0
90
100
110
120
1
8
:
3
5
1
8
:
1
8
:
1
8
:
1
8
:
1
1
1
1
1
1
1
3
0
1
3
5
Time
D
s
TC 15
Started 11/17/2004
Terminated 3/2/2005
Board
Package
PolarPAK
Side ID
U9
Fail
29
29
PolarPAK
U10
29
PolarPAK
U11
29
PolarPAK
U12
29
PolarPAK
U13
29
PolarPAK
U14
29
PolarPAK
U15
29
n/a
U16
N/A
31
PolarPAK
U9
31
PolarPAK
U10
31
PolarPAK
U11
31
PolarPAK
U12
31
PolarPAK
U13
31
PolarPAK
U14
31
PolarPAK
U15
31
n/a
U16
N/A
32
PolarPAK
U9
32
PolarPAK
U10
32
PolarPAK
U11
32
PolarPAK
U12
32
PolarPAK
U13
32
PolarPAK
U14
32
PolarPAK
U15
32
n/a
U16
N/A
33
PolarPAK
U9
33
PolarPAK
U10
33
PolarPAK
U11
33
PolarPAK
U12
33
PolarPAK
U13
33
PolarPAK
U14
33
PolarPAK
U15
33
n/a
U16
N/A
34
PPAK SO8-EXT
U1
34
PPAK SO8-EXT
U2
34
PPAK SO8-EXT
U3
34
PPAK SO8-EXT
U4
34
PPAK SO8-EXT
U5
t0
34
PPAK SO8-EXT
U6
相關(guān)PDF資料
PDF描述
AN6150 LJT 46C 40#20 4#16 2#8(COAX) S
AN6152 LJT 56C 48#20 4#16 SKT RECP
AN6175K LJT 29C 29#16 SKT WALL RECP
AN6210 DUAL RECORDING AND PLAYBACK AMPLIFIER CIRCUIT FOR STEREO TAPE RECORDERS
AN6215S Circular Connector; No. of Contacts:6; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:9; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:9-6 RoHS Compliant: No
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AN6105FHN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:For Information·Communication - Cellular Phone
AN6107 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Digital Communication IF Amplifier IC
AN6107SA 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Digital Communication IF Amplifier IC
AN6107SA(UNDERDEVELOPMENT) 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Digital Communication IF Amplifier IC
AN6108SA 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Digital Communication IF Amplifier IC
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*