SMD Trimming Potentiometers TSR-3313 & TSR-3224 – Drop-in Replacement for Bourns 3313 and 3224

Suntan TSR-3313 (3 mm) and TSR-3224 (4 mm)
SMD trimming potentiometers are designed as
form-fit-function replacements for
Bourns 3313 and 3224 series,
supporting precision adjustment in compact PCB layouts.

Mechanical and Electrical Compatibility

Both models follow industry-standard footprints,
allowing direct substitution without PCB redesign.
This enables OEM and EMS manufacturers to
reduce sourcing risk while maintaining
existing mechanical and electrical performance.

Key Characteristics

• Surface-mount structure for automated assembly
• Fine adjustment capability for calibration circuits
• Stable contact resistance and long adjustment life
• Compact size for high-density PCB design
• Compatible with reflow soldering processes

Typical Applications

• Voltage and current calibration
• Signal tuning and offset adjustment
• Industrial control modules
• Communication equipment
• Consumer electronic devices

Datasheet Reference

TSR-3313 SMD Trimming Potentiometer:


TSR-3313 Datasheet

TSR-3224 SMD Trimming Potentiometer:


TSR-3224 Datasheet

Engineering and Sourcing Support

For cross-reference validation, samples and quotation,
please contact:
sales@suntan.com.hk