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| PartNumber | 91A1A-B28-A20L | 91A1A-B28-A20 | 91A1A-B28-A22L |
| Description | Potentiometers 5/8" SQUARE ST PANEL CTRL | Potentiometers 5/8" 100K 10% Square Single Turn | Potentiometers 250K 10% 5/8" SQ ST |
| Manufacturer | Bourns | Bourns | Bourns |
| Product Category | Potentiometers | Potentiometers | Potentiometers |
| RoHS | E | N | E |
| Mounting Style | Panel Mount | Panel Mount | Panel Mount |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Product | Potentiometers | Potentiometers | Potentiometers |
| Number of Gangs | 1 Gang | 1 Gang | 1 Gang |
| Resistance | 100 kOhms | 100 kOhms | 250 kOhms |
| Taper | Linear | Linear | Linear |
| Orientation | Horizontal | Horizontal | Horizontal |
| Power Rating | 2 W | 2 W | 2 W |
| Tolerance | 10 % | 10 % | 10 % |
| Element Type | Cermet | Cermet | Cermet |
| Number of Turns | 1 Turn | 1 Turn | 1 Turn |
| Shaft Type | Smooth / Slotted | Smooth / Slotted | Smooth / Slotted |
| Shaft Diameter | 1/4 in | 1/4 in | 1/4 in |
| Shaft Length | 7/8 in | 7/8 in | 7/8 in |
| Type | Rotary Metal | Rotary Metal | Rotary Metal |
| Series | 91 | 91 | 91 |
| Brand | Bourns | Bourns | Bourns |
| Product Type | Potentiometers | Potentiometers | Potentiometers |
| Factory Pack Quantity | 45 | 5 | 45 |
| Subcategory | Potentiometers, Trimmers & Rheostats | Potentiometers, Trimmers & Rheostats | Potentiometers, Trimmers & Rheostats |
| Tradename | Pro Audio | Pro Audio | Pro Audio |
| Unit Weight | 0.447979 oz | 0.447979 oz | 0.447979 oz |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Packaging | - | Bulk | Bulk |