Trimmer potentiometer — 1 MΩ, 25-turn, through-hole Part number: 3299W1105LF Key benefits Precise resistance adjustment: 25 rotations provide fine, repeatable tuning for settings that require gradual change and accurate end points. High resistance value: 1 MΩ suits circuits requiring large resistance ranges for biasing, level setting, or pull-up/pull-down adjustments. Robust mounting and compatibility: through-hole design fits standard PCB assemblies for secure mechanical and electrical connections. Easy identification and replacement: use part number 3299W1105LF for ordering and cross-referencing. What it does and why you need it Functions as an adjustable resistor (variable resistor) to calibrate, trim, or tune electrical circuits during manufacturing, maintenance, or prototyping. Solves common problems like drift, component tolerances, and initial setup variability by allowing on-board, incremental adjustments without replacing parts. The 25-turn mechanism minimizes accidental changes and allows very small resistance steps for stable, fine-tuned performance. Important attributes Resistance: 1 MΩ (1,000,000 ohms) Adjustment: 25 rotations for high-resolution tuning Mounting: through-hole for secure PCB installation Part number: 3299W1105LF (use for specification and ordering) Typical applications Sensor and transducer calibration: precisely set sensor thresholds and trim offsets in temperature, pressure, or light-sensing circuits. Audio and signal conditioning: fine-tune levels, tone controls, and bias points where small adjustments affect performance. Power and analog circuits: adjust bias currents, feedback networks, and compensation components during design or final calibration. Installation and use notes Designed for PCB through-hole mounting; secure solder joints help maintain long-term electrical stability. The multi-turn adjustment is ideal where controlled, incremental changes are needed during setup or periodic recalibration. Ordering Specify part number 3299W1105LF when procuring to ensure the correct 1 MΩ, 25-turn through-hole trimmer potentiometer.