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POWER DEVICE RELIABILITY SUMMARY
| DEVICE ULTRAFET | PACKAGE TO-220 | |||
| PROCESS ULTRAFET NCH 55V STD GATE | ||||
| APPLIED STRESS | FAILURES | SAMPLE | CUM. TIME | |
| THERMAL FATIGUE Pd=4.75 w, Delta=125 deg c. |
0 | 880 | 9360000 | CYS |
| OPERATING LIFE 15 volts, T=200 deg c. |
0 | 420 | 290000 | HRS |
| HIGH TEMP REV BIAS 80% Rated voltage, 150 deg c. |
0 | 660 | 530000 | HRS |
| HIGH TEMP GATE BIAS 100% Rated voltage, 150 deg c. |
0 | 660 | 530000 | HRS |
| STORAGE LIFE T=200 deg c. |
0 | 260 | 130000 | HRS |
| TEMPERATURE CYCLE -65 to 150 deg c. Air/Air |
0 | 400 | 400000 | CYS |
| THERMAL SHOCK -65 to 250 deg c. Liq/Liq. |
0 | 260 | 156000 | CYS |
| AUTOCLAVE T=121 deg c, 15 psig |
1 | 640 | 78720 | HRS |
| HUMIDITY BIAS 80% Rated(40v max) 85c/85rh |
2 | 400 | 400000 | HRS |
| FAILURE RATE @ 55 Deg. C, 60% Confidence, 1.0 EV Activation: 0.6191566 FIT |
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