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易光科技led驱动器完成halt和hass测试(一)-凯发k8官方网站
stress type |
chamber set-point level |
temperature lol |
-30°c |
temperature ldl |
-50°c |
temperature uol |
120°c |
temperature udl |
160°c |
vibration ol |
60 grms |
vibration dl |
65 grms |
setpoint (°c) |
functional test result (pass/fail) |
notes |
20 |
pass |
sample no.1 was applied in this test. |
10 |
pass |
|
0 |
pass |
|
-10 |
pass |
|
-20 |
pass |
|
-30 |
pass |
|
-40 |
pass |
|
-50 |
pass |
|
-60 |
pass |
|
-70 |
pass |
|
-80 |
fail |
|
-90 |
fail |
at -90°c, the led light panel lighted up with intermittent weak light flashes. |
20 |
pass |
it recovered at 20°c. |
-80 |
fail |
the led light panel lighted up with intermittent light flashes with normal light intensity. |
20 |
pass |
it recovered at 20°c. cold operating limit was found at -70°c. |
-100 |
fail |
the led light panel lighted up with intermittent weak light flashes. |
20 |
pass |
it recovered at 20°c. cold destruct limit was found at <-100°c. |

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