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Is ON Semiconductor (onsemi.com) Down?
UP — Responding normally
Last checked: 4h ago
Avg TTFB
5023ms
#350 in S&P 500
Total Load
742ms
Uptime
14.3%
Based on 7 checks
Response Time — Recent Checks
About This Site
ON Semiconductor (ON)
Sector: Information Technology
Ranked #350 overall in S&P 500
Ranked #44 in Information Technology
Recent Checks
| Time | Status | TTFB | Total |
|---|---|---|---|
| 2/20/2026, 4:31:03 PM | ✓ Up | 5023 ms | 5196 ms |
| 2/20/2026, 12:58:00 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:54:52 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:52:59 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:36:18 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:32:54 PM | ✗ Down | — ms | 0 ms |
| 2/20/2026, 12:32:30 PM | ✗ Down | — ms | 0 ms |