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Continuation (1)
High temperature step stress test results:
Setpoint (°C) | Functional Test Result (Pass/Fail) | Notes |
+20 | Pass | Sample no.1 was applied in this test. |
+30 | Pass |
|
+40 | Pass |
|
+50 | Pass |
|
+60 | Pass |
|
+70 | Pass |
|
+80 | Pass |
|
+90 | Pass |
|
+100 | Pass |
|
+110 | Pass |
|
+120 | Pass |
|
+130 | Fail | The LED light panel could not light up. |
+20 | Pass | It recovered at +20°C. The plastic case of the LED driver had no observable deformation when observed at +20°C. Hot operating limit was found at +120°C. |
+140 | Fail |
|
+20 | Pass |
|
+150 | Fail |
|
+20 | Pass |
|
+160 | Fail |
|
+20 | Pass |
|
+170 | Fail |
|
+20 | Pass |
|
+180 | Fail | The LED light panel could not light up. |
+20 | Pass | It could not recover at +20°C. Hot destruct limit was found at +180°C.
|
4.2 Rapid temperature change test
The system undergoes five temperature cycles, ranging from 60 ° C to+110 ° C, with an average thermal conversion rate of 70 ° C/minute. The dwell time at each extreme temperature is 5 minutes.
Rapid temperature change test results:
Cycle | Setpoint (°C) | Functional Test Result (Pass/Fail) | Notes |
Start | +20 | Pass | Sample no.2 was applied in this test. |
1 | -60 | Pass |
|
1 | +110 | Fail | The LED light panel could not light up. |
2 | -60 | Pass |
|
2 | +110 | Fail | The LED light panel could not light up. |
3 | -60 | Pass |
|
3 | +110 | Fail | The LED light panel could not light up. |
4 | -60 | Pass |
|
4 | +110 | Fail | The LED light panel could not light up. |
5 | -60 | Pass |
|
5 | +110 | Fail | The LED light panel could not light up. |
End | +20 | Pass | It recovered at. +20°C.
|
End (2), continue (3).
Due to space limitations, only partial data will be uploaded.
More content can be obtained from the technical support of Yiguang Technology Company.
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