3FL40-60

Power Transformers Overview

The Tamura 3FL40-60 is a low-profile power transformer designed for through-hole mounting on printed circuit boards. It features a laminated core construction and supports dual primary voltage ratings of 115V and 230V, configurable in parallel or series connections. The secondary output provides 20V at 120mA in parallel configuration, or 40V center-tapped at 60mA in series mode. With a power rating of 2.5VA, this component operates at standard frequencies of 50Hz and 60Hz, offering a compact solution for general-purpose power supply applications requiring reliable isolation.

Power Transformers Feature Summary

• Through-hole PCB mounting design for secure mechanical attachment
• Laminated core construction ensuring efficient magnetic flux transfer
• Dual primary voltage capability supporting both 115V and 230V inputs
• Configurable secondary outputs allowing parallel or series connection options

Power Transformers Applications

• General-purpose AC to DC power supplies
• Industrial control systems requiring isolated power stages
• Consumer electronics with low power consumption requirements
• Medical equipment utilizing Class I or II insulation standards

Power Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct pinout and voltage configuration. Confirm RoHS compliance status if environmental regulations apply to your assembly process. Check for any recent manufacturing site changes that might affect lead times or quality certifications. Ensure the selected variant matches the required thermal class for your enclosure design.

Power Transformers Selection Notes

Select this component when a low-profile form factor is critical for board space constraints. Choose the 3FL40-60 for applications needing flexible primary voltage adaptation across different regional markets. Consider the 2.5VA power limit to ensure it meets the load requirements without excessive heating. Evaluate the through-hole mounting style against surface-mount alternatives if mechanical robustness during vibration is a priority.

Power Transformers Part Context

This part belongs to the Tamura 3FL series, which specializes in low-profile power transformers. The series offers various power ratings and secondary configurations to suit diverse electronic designs. The 3FL40-60 specifically addresses the need for compact, reliable isolation in standard frequency applications, bridging the gap between higher-power industrial units and smaller signal transformers.

Power Transformers Replacement Considerations

Direct substitutes may include other 2.5VA laminated transformers from manufacturers like Hammond or Pulse Engineering with matching footprint dimensions. Verify that alternative parts support the same 115/230V primary range and provide equivalent secondary current ratings. Ensure the replacement maintains the same insulation class and operating temperature range to guarantee system reliability.