3FL40-300

Power Transformers Overview

The Tamura 3FL40-300 is a split bobbin power transformer designed for through-hole mounting on printed circuit boards. It features a laminated core construction and supports dual single-phase configurations. The component operates at primary frequencies of 50 Hz or 60 Hz, ensuring compatibility with standard AC power line inputs. With a power rating of 12 VA, it provides reliable isolation and voltage transformation for electronic applications requiring robust electrical performance in a compact form factor.

Power Transformers Feature Summary

• Split bobbin design enhances inter-winding insulation and safety compliance
• Laminated core construction optimizes magnetic efficiency and thermal stability
• Dual single-phase configuration allows flexible circuit integration
• Through-hole mounting style ensures secure mechanical attachment to PCBs

Power Transformers Applications

• General-purpose AC power supply units
• Industrial control system power stages
• Consumer electronics internal power conversion
• Medical device power isolation circuits

Power Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with the manufacturer before procurement. Confirm that the through-hole pin spacing matches your PCB footprint requirements. Ensure the 12 VA power rating meets the load demands of your target application without exceeding thermal limits under worst-case operating conditions.

Power Transformers Selection Notes

Select this component when a 12 VA power rating and dual single-phase isolation are required for through-hole assembly. Consider the 50/60 Hz frequency range compatibility with your input source. Evaluate the physical height constraints against the 27mm maximum seated height specification to ensure proper enclosure fit within your final product design.

Power Transformers Part Context

This part belongs to the Tamura 3FL series of low-profile power transformers. The series offers various power ratings and winding configurations tailored for diverse electronic equipment needs. The 3FL40-300 specifically addresses applications requiring moderate power handling with enhanced insulation characteristics provided by its split bobbin architecture.

Power Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Tamura series models only if electrical parameters and physical dimensions match exactly.