IPC-TM-650
NumberSubjectDate
2.6.7ThermalShock&Continuity,PrintedBoard8/97
Revision
A
Table1
TestConditionATestConditionBTestConditionC
StepTemperatureTimeTemperatureTimeTemperatureTime
10,+0/-515-40,+0/-515-55,+0/-515
225,+10/-5025,+10/-5025,+10/-50
3+70,+5/-015+85,+5/-015+105,+5/-015
425,+10/-5025,+10/-5025,+10/-50
TestConditionDTestConditionETestConditionF
StepTemperatureTimeTemperatureTimeTemperatureTime
1-55,+0/-515-65,+0/-515-65,+0/-515
225,+10/-5025,+10/-5025,+10/-50
3+125,+5/-015+150,+5/-015+170,+5/-015
425,+10/-5025,+10/-5025,+10/-50
Toleranceshallbe+2and-0minutes.
6.1.1Unlessotherwisespecifiedbytheapplicableperfor-
mancespecification,thefollowingbasematerialtypes/
temperatureratingsarerecommended.
Table2
RigidTypeNEMATestCondition
A
GP,GT,GX,GYB
GEC
AF,BF,BI,CF,GF,GBD
GH,GME
AI,GI,QIF
6.2Suggestedsourcesforcapabletestequipment:
CambridgeTechnology
Model510AMicro-Ohmmeter
23ElmStreet
Watertown,MA02172
(617)923-1181
Hewlett-Packard
Model4338AMilliohmmeter
9800MuirlandsAvenue
Irvine,CA92718
(714)472-3000
KeithlyInstruments
Model580
Micro-ohmmeter
28775AuroraRoad
Cleveland,OH44139
(800)552-1115
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