IPC-TM-650 EN 2022 试验方法1.pdf - 第689页

T a ble 1 Step T e st C ondition A T est Condition B T est Condition C T emperature Time T emperatur e Time T emp erature Time 1 2 3 4 0, +0/-5 25, +10/-5 +70, +5/-0 25, +10/-5 15 0 15 0 -40, +0/-5 25, +10/-5 +85, +5/-0 …

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IPC-D-275
NOTE:
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Table 1
Step
Test Condition A Test Condition B Test Condition C
Temperature Time Temperature Time Temperature Time
1
2
3
4
0, +0/-5
25, +10/-5
+70, +5/-0
25, +10/-5
15
0
15
0
-40, +0/-5
25, +10/-5
+85, +5/-0
25, +10/-5
15
0
15
0
-55, +0/-5
25, +10/-5
+105, +5/-0
25, +10/-5
15
0
15
0
Step
Test Condition D Test Condition E Test Condition F
Temperature Time Temperature Time Temperature Time
1
2
3
4
-55, +0/-5
25, +10/-5
+125, +5/-0
25, +10/-5
15
0
15
0
-65, +0/-5
25, +10/-5
+150, +5/-0
25, +10/-5
15
0
15
0
-65, +0/-5
25, +10/-5
+170, +5/-0
25, +10/-5
15
0
15
0
Tolerance shall be +2 and -0 minutes.
Table 2
Rigid Type NEMA Test Condition
A
GP, GT, GX, GY B
GE C
AF, BF, BI, CF, GF, GB D
GH, GM E
AI, GI, QI F
IPC-TM-650
Number
Subject Date
Revision
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IPC-CC-830
Class Low Temperature High Temperature
Figure 1 IPC-B-25A Test Board
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