Bourns Inc. 3386F-1-103TLF Trimmer Potentiometer: Features, Specs & Applications
Bourns 3386F-1-103TLF Trimmer Potentiometer: Ultimate Guide for Engineers
Introduction to the 3386F-1-103TLF
The Bourns 3386F-1-103TLF is a premium-grade trimmer potentiometer designed for precision electronic applications. As part of Bourns' renowned 3386 series, this component combines exceptional reliability with user-friendly features, making it a top choice for circuit designers and engineers worldwide.
Detailed Technical Specifications
Electrical Characteristics
- Resistance Value: 10 k 10%
- Power Rating: 0.5W at 70 C
- Temperature Coefficient: 100ppm/ C
- Resistance Range: 1 to 1M (series options)
- Dielectric Strength: 500V AC for 1 minute
Mechanical Specifications
- Adjustment Type: Top finger adjustment
- Number of Turns: Single turn (300 rotation)
- Termination Style: PC pins (through-hole)
- Mounting: Standard PCB mounting
- Dimensions: 9.53mm 9.53mm square
- Operating Temperature: -55 C to +125 C
Key Features and Benefits
1. Superior Cermet Construction
The 3386F-1-103TLF utilizes advanced cermet (ceramic-metal composite) resistive material that offers:
- Excellent long-term stability
- High resistance to environmental factors
- Minimal contact resistance variation
- Superior wear characteristics (>200 cycles)
2. Precision Adjustment Capability
The top finger adjustment design enables:
- Easy manual tuning without tools
- Precise resistance setting ( 0.5% typical resolution)
- Secure setting retention (vibration resistant)
Comprehensive Applications Guide
Industrial Applications
- Process control instrumentation
- Factory automation systems
- Power supply calibration
- Test and measurement equipment
Consumer Electronics
- Audio equipment (amplifiers, mixers)
- Television and monitor circuits
- Home automation systems
Automotive and Aerospace
- Sensor calibration circuits
- Dashboard controls
- Avionics systems
Performance Comparison
| Feature | 3386F-1-103TLF | Standard Trimmers |
|---|---|---|
| Resistance Stability | 1% after 200 cycles | 5% typical |
| Temperature Range | -55 C to +125 C | 0 C to +70 C |
| Adjustment Precision | 0.5% | 2% |
Installation and Usage Tips
- Always clean the PCB surface before soldering
- Use proper soldering temperature (350 C max)
- Avoid excessive force during adjustment
- For critical applications, allow 24-hour stabilization after adjustment
Why Choose Bourns 3386F Series?
Bourns has been a leader in potentiometer technology since 1947. The 3386 series represents their commitment to quality with:
- ISO 9001 certified manufacturing
- 100% electrical testing
- RoHS compliant materials
- Global technical support
Purchasing Information
The 3386F-1-103TLF is available through authorized distributors worldwide. Typical lead times are 2-4 weeks for standard orders. Bulk pricing available for quantities over 100 units.
Conclusion
The Bourns 3386F-1-103TLF trimmer potentiometer offers engineers an optimal combination of precision, reliability, and ease of use. Its robust cermet construction and precise adjustment capabilities make it ideal for demanding applications across multiple industries. Whether you're designing consumer electronics, industrial controls, or aerospace systems, this component delivers consistent performance that meets the highest standards.