KOA Speer · resistor
| resistance | 309 (309) |
|---|---|
| tolerance | 0.01 (10 m) |
| power_rating | 0.5 (500 m) |
| power_rating_temperature | 70 (70) |
| tcr | 50 (50) |
| temp_min_c | -55 (-55) |
| temp_max_c | 155 (155) |
| family | MFS1/2 |
| technology | metalFilm |
Report a problem with this part (opens a public GitHub issue) · data quality
Best 5 of 5265 scored candidates from other manufacturers (catalogue version 7e538ac5423fa607).
| Part | Manufacturer | Grade | Direction | Footprint |
|---|---|---|---|---|
| MF0207FTE52-309R | YAGEO | minor_review | upgrade | unknown |
| RC1218FK-07309RL | YAGEO | minor_review | upgrade | unknown |
| RC0100FR-07309RL | YAGEO | major_review | downgrade | smaller |
| ERJU0XF3090Y | Panasonic | major_review | downgrade | smaller |
| YC164-FR-07309RL | YAGEO | major_review | downgrade | different_land_pattern |
Grades: drop_in, minor_review, major_review, redesign, no_substitute. “unverified” means a record is silent on that point, not that the part passed it. full cross-reference as JSON.
Values are SI base units; a spec not listed is not stated in the part's record (it is not zero). Machine access: MCP at /mcp, /llms.txt. Open catalogue — Kelvin.