| PartNumber | 39SA-1NB-203 | 39SA-1NB-503 | 39SA-1NB-103 |
| Description | Potentiometers PANEL CONTROL-1/2" 13MM 1T ROUND CP | Potentiometers PANEL CONTROL-1/2" 13MM 1T ROUND CP | Potentiometers PANEL CONTROL-1/2" 13MM 1T ROUND CP |
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Category | Rotary Potentiometers, Rheostats | IC Chips | Rotary Potentiometers, Rheostats |
| Series | 39 | 39 | 39 |
| Packaging | Tray | Tray | Tray |
| Termination Style | PCB Pins | PCB Pins | PCB Pins |
| Mounting Type | Panel Mount | Panel Mount | Panel Mount |
| Power Watts | 0.25W, 1/4W | 0.25W, 1/4W | 0.25W, 1/4W |
| Taper | Linear | Linear | Linear |
| Resistance Ohms | 20k | 50k | 10k |
| Tolerance | ±20% | ±20% | ±20% |
| Temperature Coefficient | - | - | - |
| Adjustment Type | Top Adjustment | Top Adjustment | Top Adjustment |
| Actuator Type | Slotted | Slotted | Slotted |
| Actuator Length | 0.500" (12.70mm) | 0.500" (12.70mm) | 0.500" (12.70mm) |
| Bushing Thread | 2028/1/4 | 2028/1/4 | 2028/1/4 |
| Built in Switch | None | None | None |
| Number of Gangs | 1 | 1 | 1 |
| Number of Turns | 1 | 1 | 1 |
| Rotation | 270° | 270° | 270° |
| Resistive Material | Conductive Plastic | Conductive Plastic | Conductive Plastic |
| Actuator Diameter | 0.125" (3.18mm) | 0.125" (3.18mm) | 0.125" (3.18mm) |