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| Part Number | 3540S-1-502L | 3540S-1-503L | 3545S-1-502L | 3540S-91-502L | 3543S-1-502L | 3540S-16-502L | 3540S-1-102L | 3540S-1-202L | 3540S-1-501L | 3540S-1-502 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | 
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete | 
| Resistance (Ohms) | 5k | 50k | 5k | 5k | 5k | 5k | 1K | 2K | 500 | 5k | 
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | 
| Power (Watts) | 2W | 2W | 1.5W | 2W | 1W | 2W | 2W | 2W | 2W | 2W | 
| Built in Switch | None | None | None | None | None | None | None | None | None | None | 
| Number of Turns | 10 | 10 | 5 | 10 | 3 | 10 | 10 | 10 | 10 | 10 | 
| Features | - | - | - | - | - | - | - | - | - | - | 
| Taper | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | 
| Number of Gangs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 
| Adjustment Type | User Defined | User Defined | User Defined | User Defined | User Defined | User Defined | User Defined | User Defined | User Defined | User Defined | 
| Temperature Coefficient | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | ±50ppm/°C | 
| Rotation | 3600° | 3600° | 1800° | 3600° | 1080° | 3600° | 3600° | 3600° | 3600° | 3600° | 
| Resistive Material | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | Wirewound | 
| Termination Style | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug | 
| Actuator Type | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | 
| Actuator Length | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 0.812" (20.63mm) | 
| Actuator Diameter | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 0.2497" (6.34mm) | 
| Bushing Thread | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 3/8-32 | 
| Mounting Type | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount |