The WH148 B250K is a singlegang (3pin) carbon film rotary potentiometer with a 250K ohm resistance and a linear (Btaper) response curve. This compact 16mm diameter component features one independent potentiometer in a single housing, making it ideal for guitar tone controls, highimpedance audio circuits, bias adjustments, and precision single-channel applications.
| Parameter | Value |
|---|---|
| Resistance | 250K ohms ±20% |
| Taper | Linear (BCurve) resistance changes linearly |
| Number of Gangs | 1 (Single) |
| Number of Pins | 3 (1 input, 1 wiper, 1 ground) |
| Rated Power | 0.05W (B-curve) |
| Max Operating Voltage | 200V (B-curve) |
| Total Rotation Angle | 300° ±5° |
| Rotational Life | 10,000 cycles |
| Rotational Noise | ≤47mV |
| Shaft Diameter | 6mm |
| Shaft Length | 15mm (typical) |
| Operating Temperature | -10°C to +70°C |
| Insulation Resistance | > 100MΩ at DC500V |
= Key Features =
SingleGang Design One independent potentiometer for mono or single-channel control
Linear (B) Taper - Predictable linear resistance change for precision adjustments
3Pin Configuration Simple inputwiperground connections
High Resistance Value 250K ohms popular for guitar tone controls and high-impedance audio
Low Rotational Noise - ≤47mV ensures clean, stable signal output
Compact 16mm Form Factor - Fits standard panel mounting applications
Carbon Film Element Reliable, costeffective resistive material for general-purpose use
√ Ready to use - standard 6mm shaft with nut and washer included
√ Low rotational noise - 47mV maximum for clean operation
√ 10,000 cycle durability longlasting performance
Avoid exceeding 0.05W power rating to prevent overheating
Avoid overtightening the mounting nut- as this can damage the shaft or housing
Avoid use in lowimpedance circuits- as the high resistance may cause noise and signal degradation