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| PartNumber | 91A1A-B20-B18 | 91A1A-B20-B20L | 91A1A-B20-B15L |
| Description | Potentiometers 100K 20% 5/8" SQ ST | Potentiometers 10K 20% 5/8" SQ ST | |
| Manufacturer | - | Bourns Inc. | Bourns Inc. |
| Product Category | - | Rotary Potentiometers, Rheostats | Rotary Potentiometers, Rheostats |
| Series | - | 91 | 91 |
| Packaging | - | Bulk | Bulk |
| Termination Style | - | PCB Pins | PCB Pins |
| Mounting Type | - | Panel Mount | Panel Mount |
| Power Watts | - | 1W | 1W |
| Taper | - | Linear | Linear |
| Resistance Ohms | - | 100k | 10k |
| Tolerance | - | ±20% | ±20% |
| Temperature Coefficient | - | ±1000ppm/°C | ±1000ppm/°C |
| Adjustment Type | - | Side Adjustment | Side Adjustment |
| Actuator Type | - | Slotted | Slotted |
| Actuator Length | - | 0.625" (15.88mm) | 0.625" (15.88mm) |
| Bushing Thread | - | 1932/3/8 | 1932/3/8 |
| Built in Switch | - | None | None |
| Number of Gangs | - | 1 | 1 |
| Number of Turns | - | 1 | 1 |
| Rotation | - | 300° | 300° |
| Resistive Material | - | Conductive Plastic | Conductive Plastic |
| Actuator Diameter | - | 0.250" (6.35mm) | 0.250" (6.35mm) |