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Product Detailed Parameters
- Description：XFMR 7.94UH SMD
- Series：VERSA-PAC®
- Mfr：Eaton - Electronics Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：-
- Applications：-
- Intended Chipset：-
- Chipset Manufacturer：-
- Voltage - Primary：-
- Voltage - Auxiliary：-
- Voltage - Isolation：-
- Inductance @ Frequency：-
- Frequency：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Size / Dimension：0.673" L x 0.878" W (17.10mm x 22.30mm)
- Height - Seated (Max)：0.331" (8.40mm)
- Footprint：-
- Style：-
- Grade：-
- Qualification：-
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Overview
The VPH3-0047-R is a surface-mount transformer from the VERSA-PAC® series, manufactured by Eaton Electronics Division. It features an inductance of 7.94 µH with a tolerance of ±20%. The component supports a maximum DC current of 0.97 A and has a DC resistance of 0.14 Ω. Its physical dimensions are 17.10 mm in length, 22.30 mm in width, and a maximum height of 8.40 mm. It operates within a temperature range of -40°C to 125°C and is RoHS3 compliant.
Feature Summary
- Designed for isolation applications in switch-mode power supplies (SMPS).
- Surface-mount construction facilitates automated PCB assembly.
- Versa-Pac configurable design allows for flexible integration.
Applications
- Switch-mode power supply transformers
- Isolated power conversion circuits
- High-density electronic equipment
Procurement Notes
Verify the specific suffix 'R' indicates tape and reel packaging when ordering. Confirm that the 7.94 µH inductance value matches the target circuit requirements. Ensure the 0.97 A current rating provides sufficient margin for peak loads. Check for updated PCN documents regarding recent product updates or facility changes before finalizing procurement plans.
Selection Notes
Select this component when a compact, surface-mount transformer with 7.94 µH inductance is required for SMPS designs. Compare the 0.14 Ω DCR against thermal constraints. Consider the 17.10 mm x 22.30 mm footprint for board space limitations. Verify compatibility with the VERSA-PAC series design guidelines for optimal performance.
Part Context
This part belongs to the VERSA-PAC® family of configurable inductors and transformers. The series offers various inductance values and current ratings tailored for different power supply topologies. The VPH3-0047-R specifically addresses needs for moderate inductance in space-constrained surface-mount applications.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Eaton Electronics Division for direct cross-reference recommendations based on specific electrical and mechanical requirements.
