3296W-1-502LF is a 25‑turn, through‑hole, cermet trimming potentiometer (trimpot) manufactured by Bourns
Specifications
Manufacturer:
Bourns Inc.
Product Number:
3296W-1-502LF
Description:
TRIMMER 5K OHM 0.5W PC PIN TOP
Highlight:
25-turn cermet trimming potentiometer
,through-hole trimpot Bourns
,3296W-1-502LF potentiometer with warranty
Introduction
3296W-1-502LF 25-Turn Cermet Trimming Potentiometer
The 3296W-1-502LF is a 25-turn, through-hole cermet trimming potentiometer (trimpot) manufactured by Bourns, designed for precision circuit adjustment and calibration applications.
Core Functions
- Precision Resistance Adjustment: Provides infinite resolution for setting precise resistance values via 25 full turns of the adjustment screw, enabling far finer tuning than single-turn trimmers.
- Voltage/Current Regulation: Functions as a variable voltage divider to set or calibrate reference voltages, bias levels, and current limits in analog circuits.
- Circuit Calibration & Trimming: Used to calibrate, compensate, or fine-tune circuit performance during manufacturing, repair, or field service. Common applications include zeroing sensors, trimming filter frequencies, and setting gain levels.
- Sealed & Robust Operation: Features a Chevron seal design (IP65 rated) that protects internal components from dust, moisture, and wave soldering/board-washing processes.
Key Specifications
| Resistance | 5 kΩ (±10% tolerance) |
| Power Rating | 0.5 W (1/2 W) |
| Turns | 25 (multiturn) |
| Adjustment Type | Top-adjust (vertical screw) |
| Mounting | Through-hole (PCB pin) |
| Temperature Coefficient | ±100 ppm/°C |
| Operating Temperature | −55°C to +125°C |
| Rotational Life | 200 cycles |
| Material | Cermet resistive element |
Typical Applications
Industrial Electronics: PLCs, sensor signal conditioning, actuator control, and process control equipment
Test & Measurement: Oscilloscopes, signal generators, multimeters, and data acquisition systems for calibration
Communications: RF circuits, filter tuning, AGC loops, and gain control in transceivers
Power Management: DC-DC converters, voltage regulators, and current limit adjustment
Consumer & Portable Devices: Audio equipment, instrumentation, and battery-powered electronics
Aerospace & Military: High-reliability systems requiring wide temperature operation
Medical Electronics: Patient monitors, imaging systems, and precision control circuits
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