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| Part Number | 6638S-1-503 | 6639S-1-503 | 6538S-1-503 | 6638S-1-103 |
|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active |
| Resistance (Ohms) | 50k | 50k | 50k | 10k |
| Tolerance | ±10% | ±15% | ±10% | ±10% |
| Power (Watts) | 1W | 1W | 1W | 1W |
| Built in Switch | None | None | None | None |
| Number of Turns | 1 | 1 | 1 | 1 |
| Features | - | - | - | - |
| Taper | Linear | Linear | Linear | Linear |
| Number of Gangs | 1 | 1 | 1 | 1 |
| Adjustment Type | User Defined | User Defined | User Defined | User Defined |
| Temperature Coefficient | ±500ppm/°C | ±500ppm/°C | ±500ppm/°C | ±500ppm/°C |
| Rotation | Continuous | Continuous | Continuous | Continuous |
| Resistive Material | Conductive Plastic | Conductive Plastic | Conductive Plastic | Conductive Plastic |
| Termination Style | Solder Turret | Solder Turret | Solder Turret | Solder Turret |
| Actuator Type | Slotted | Slotted | Round | Slotted |
| Actuator Length | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.500" (12.70mm) | 0.875" (22.23mm) |
| Actuator Diameter | 0.1248" (3.17mm) | 0.2497" (6.34mm) | 0.1248" (3.17mm) | 0.1248" (3.17mm) |
| Bushing Thread | 1/4-32 | 3/8-32 | - | 1/4-32 |
| Mounting Type | Panel Mount | Panel Mount | Servo Mount | Panel Mount |
