Bourns 3386F-1-103TLF 10kOhm Trimmer Potentiometer - Features, Specs & Applications
Bourns 3386F-1-103TLF 10kOhm Trimmer Potentiometer: Ultimate Guide
The Bourns 3386F-1-103TLF is a premium-grade trimmer potentiometer designed for engineers seeking precision and durability in circuit adjustment applications. As part of Bourns' renowned 3386 series, this component combines cermet technology with robust mechanical design, making it a top choice for industrial, automotive, and consumer electronics.
In-Depth Technical Specifications
Core Electrical Characteristics
- Resistance Value: 10 k ( 10%)
- Power Handling: 0.5W at 70 C
- Temperature Coefficient: 100ppm/ C
- Resistance Material: Cermet (Ceramic-Metal Composite)
- Rotation Life: 200 cycles minimum
Mechanical Design Features
- Adjustment Type: Top-mounted finger wheel
- Mounting Style: Through-hole (THT)
- Termination: 3 PC pins (0.45" spacing)
- Dimensions: 9.53mm 9.53mm 9.53mm
- Operating Temperature: -55 C to +125 C
Why Engineers Choose the 3386F-1-103TLF
Superior Environmental Performance
The cermet resistive element provides exceptional stability against:
- Humidity (85% RH tested)
- Thermal shock (-55 C to +125 C)
- Vibration (10-500Hz, 10G acceleration)
Precision Adjustment Capabilities
The single-turn design offers:
- 270 mechanical rotation
- Smooth torque (5-40 cN m)
- Clear resistance marking for accurate setting
Comprehensive Applications
Industrial Electronics
- PLC calibration circuits
- Motor control feedback systems
- Sensor signal conditioning
Consumer Applications
- Audio equipment volume controls
- Television brightness adjustment
- Smart home device calibration
Automotive Systems
- Dashboard instrument calibration
- Climate control systems
- LED lighting intensity adjustment
Competitive Advantages
| Feature | 3386F-1-103TLF | Generic Alternatives |
|---|---|---|
| Material | Cermet | Carbon |
| Temperature Range | -55 C to +125 C | 0 C to 70 C |
| Rotation Life | 200 cycles | 50 cycles |
Installation Best Practices
- Use proper PCB hole spacing (0.45")
- Limit adjustment torque to 40 cN m maximum
- Apply conformal coating in humid environments
- Avoid excessive solder heat (260 C max)
Frequently Asked Questions
Q: What's the difference between 3386F and 3386G series?
A: The F-series features cermet elements while G-series uses conductive plastic, offering higher rotation life but less temperature stability.
Q: Can this potentiometer handle 1W power?
A: No, the maximum power rating is 0.5W. For higher power applications, consider Bourns 3296 series.
Q: Is this RoHS compliant?
A: Yes, the 3386F-1-103TLF meets all RoHS 2.0 requirements.
Where to Buy
Authorized distributors include Digi-Key, Mouser Electronics, and RS Components. Always purchase from certified suppliers to avoid counterfeit components.
For bulk pricing or custom specifications, contact Bourns directly through their official website at www.bourns.com.