01
3269W 0.25W 50K Ohms Precision Trimmer Potentiometer For Audio Equipment
Feature
■ Adjustable resistance for precise control.
■ Compact design for space-saving applications.
■ Durable construction for long-lasting performance.
■ Easy installation with standard pin spacing.
■ Wide range of selectable resistance values.
■ Versatile applications in audio, consumer electronics, and industrial controls.
Description
- The 3269W is a top adjustment compact SMD cermet trimmer potentiometer designed for high-density PCB mounting. Supplied in reel packaging, it is fully compatible with automated production and reflow soldering. With stable performance and precise adjustment, it is widely used in communication devices, consumer electronics, instrumentation, and industrial control.
Specifications
|
Electrical Characteristics |
Nominal Resistance Range | 10Ω~5MΩ |
| Resistance Tolerance | ±10% ±5% (customization) | |
| Terminal Resistance | ≤±1%R or 2Ω | |
| Contact Resistance Variation (CRV) | ≤±1%R or 3Ω | |
| Insulation Resistance | ≥ 1GΩ (100V AC) | |
| Withstand Voltage | 600V (DC or AC peak value) | |
| Effective Electrical Travel | 12±2 cycles | |
|
Environment Characteristics |
Rated Power | 0.25W ( 200V max) |
| Temperature Range | -55℃~+125℃ | |
| Temperature Coefficient | ±250, ±100ppm/℃ | |
| Collision (390m/S2, 4000 times) | ΔR≤±1%R | |
| Vibration (10-500HZ, 0.75mm, 6h) | ΔR≤±1%R, ΔUab/Uac≤±2%R, Electrical break≤100μS | |
| Temperature Variation (-55°C/30min, +125°C/30min, 5 cycles) | ΔR≤±2%R,ΔUab/Uac≤±1%R | |
| Climate Category (IEC68-2-2) | ΔR≤± (3%R+0.1Ω),Insulation Resistance≥100MΩ | |
| Electrical Endurance (0.5W, 1000h) | ΔR≤± (3%R+0.1Ω),CRV≤±3%R or 5Ω | |
| Mechanical Endurance (200 cycles) | ΔR≤± (3%R+0.5Ω), CRV≤±3%R or 5Ω | |
| Steady Damp Heat (IEC68-2-3, Ca, 96h) | ΔR≤± (3%R+0.1Ω), Insulation Resistance≥100MΩ | |
|
Physical Characteristics |
Total Mechanical Travel | 12±2 cycles |
| Starting torque | ≤25mN.m |
Dimension
Packaging
Packaging specification: 50 pieces/tube, 5000 pieces/carton.
Applications
The 3269W SMD Trimming Potentiometer is a compact and precise component widely used in various specific devices due to its reliability and small footprint.
Consumer Electronics:
Portable Audio Players: Used for fine-tuning audio settings to achieve the desired sound quality.
Smartphones and Tablets: Calibration of touch screen sensitivity and other sensor adjustments.
Industrial Equipment:
Programmable Logic Controllers (PLCs): Adjusting control loop parameters for optimal performance in automated systems.
Industrial Sensors: Calibration of various types of sensors, including temperature, pressure, and flow sensors.
Medical Devices:
Portable Diagnostic Tools: Ensuring accurate readings in handheld devices such as blood glucose meters and portable ECG monitors.
Wearable Health Monitors: Adjusting sensitivity and calibration settings in devices like fitness trackers and smartwatches.
Automotive Systems:
Engine Control Modules (ECMs): Fine-tuning sensor inputs and control settings for enhanced engine control and diagnostics.
Infotainment Systems: Calibration of audio and display settings for optimal user experience.
Communication Devices:
Two-Way Radios: Adjusting frequency and signal strength settings for clear communication.
Modems and Routers: Calibration of networking parameters to ensure stable and reliable internet connectivity.
Aerospace and Defense:
Unmanned Aerial Vehicles (UAVs): Adjusting navigation and flight control systems for precise operation.
Military Communication Equipment: Calibration of radio transceivers and signal processing units for reliable communication in the field.
Renewable Energy Systems:
Portable Solar Chargers: Fine-tuning voltage and current settings for efficient energy conversion and storage.
Micro Wind Turbines: Adjusting control parameters to optimize energy output in small-scale wind energy systems.
Test and Measurement Equipment:
Digital Multimeters: Calibration of measurement settings to ensure accurate readings.
Portable Oscilloscopes: Adjusting signal parameters for precise waveform analysis.
The 3269W SMD Trimming Potentiometer is an essential component in many advanced electronic devices, offering precise adjustment and reliable performance. Its compact size and surface-mount design make it ideal for space-constrained applications, ensuring consistent operation across a wide range of specialized equipment.
Advantages
• Factory direct supply, no middlemen.
• Completed certificates such as RoHS, Reach, etc and best quality assurance.
• Sufficient production capacity, short delivery time.
• Professional after-sales service team.
• OEM & ODM available.