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| Part Number | WR12X4990FTL | WR12X4992FTL | WR12X4993FTL | WR12X4991FTL |
|---|---|---|---|---|
| Manufacturer | Walsin Technology Corporation | Walsin Technology Corporation | Walsin Technology Corporation | Walsin Technology Corporation |
| Product Status | Active | Active | Active | Active |
| Resistance | 499 Ohms | 49.9 kOhms | 499 kOhms | 4.99 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power (Watts) | 0.25W, 1/4W | 0.25W, 1/4W | 0.25W, 1/4W | 0.25W, 1/4W |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Features | - | - | - | - |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Package / Case | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Supplier Device Package | 1206 | 1206 | 1206 | 1206 |
| Ratings | - | - | - | - |
| Size / Dimension | 0.122" L x 0.063" W (3.10mm x 1.60mm) | 0.122" L x 0.063" W (3.10mm x 1.60mm) | 0.122" L x 0.063" W (3.10mm x 1.60mm) | 0.122" L x 0.063" W (3.10mm x 1.60mm) |
| Height - Seated (Max) | 0.030" (0.75mm) | 0.030" (0.75mm) | 0.030" (0.75mm) | 0.030" (0.75mm) |
| Number of Terminations | 2 | 2 | 2 | 2 |
| Failure Rate | - | - | - | - |
