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| Part Number | 81A1A-B28-A13L | 82A1A-B28-A13L | 81A1A-B28-A15L | 81A1A-B28-B13L | 81A1D-B28-A13L | 81A1A-B28-A10L | 81A1A-B28-A13 | 
|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | 
| Product Status | Active | Active | Active | Active | Active | Active | Obsolete | 
| Resistance (Ohms) | 5k | 5k | 10k | 5k | 5k | 1K | 5k | 
| Tolerance | ±10% | ±10% | ±10% | ±20% | ±10% | ±10% | ±10% | 
| Power (Watts) | 2W | 2W | 2W | 1W | 2W | 2W | 2W | 
| Built in Switch | None | None | None | None | None | None | None | 
| Number of Turns | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 
| Features | - | - | - | - | - | - | - | 
| Taper | Linear | Linear | Linear | Linear | Linear | Linear | Linear | 
| Number of Gangs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 
| Adjustment Type | Side Adjustment | User Defined | Side Adjustment | Side Adjustment | Side Adjustment | Side Adjustment | Side Adjustment | 
| Temperature Coefficient | ±150ppm/°C | ±150ppm/°C | ±150ppm/°C | ±1000ppm/°C | ±150ppm/°C | ±150ppm/°C | ±150ppm/°C | 
| Rotation | 300° | 300° | 300° | 300° | 300° | 300° | 300° | 
| Resistive Material | Cermet | Cermet | Cermet | Conductive Plastic | Cermet | Cermet | Cermet | 
| Termination Style | PC Pins | Solder Hook | PC Pins | PC Pins | PC Pins | PC Pins | PC Pins | 
| Actuator Type | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | Slotted | 
| Actuator Length | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.875" (22.23mm) | 0.875" (22.23mm) | 
| Actuator Diameter | 0.250" (6.35mm) | 0.250" (6.35mm) | 0.250" (6.35mm) | 0.250" (6.35mm) | 0.250" (6.35mm) | 0.250" (6.35mm) | 0.250" (6.35mm) | 
| Bushing Thread | 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 |