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Product Detailed Parameters
- Description：XFMR 9.9UH SMD
- Series：VERSA-PAC®
- Mfr：Eaton - Electronics Division
- Package：Bulk
- 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：0.827" L x 1.122" W (21.00mm x 28.50mm)
- Height - Seated (Max)：0.425" (10.80mm)
- Footprint：-
- Style：-
- Grade：-
- Qualification：-
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Overview
The Eaton VP5-0155-R is a surface-mount pulse transformer designed for switch-mode power supplies (SMPS). It features an inductance of 9.9µH and a DC resistance of 47mΩ. The component supports a current rating of 2.08A and operates within a temperature range of -40°C to 85°C. Its physical dimensions are 21.00mm x 28.50mm with a maximum height of 10.80mm. This isolation transformer belongs to the VERSA-PAC series and utilizes SMD/SMT termination.
Feature Summary
- Provides electrical isolation for SMPS applications
- Surface mount construction for automated assembly
- Configurable design within the VERSA-PAC family
Applications
- Switch-mode power supply isolation
- General purpose pulse transformation
- Power electronics circuitry
Procurement Notes
Verify the specific suffix against the manufacturer's official documentation, as variations such as TR or R may indicate different packaging or minor specification adjustments. Confirm that the required operating temperature range aligns with the standard 85°C limit rather than extended ratings found in other variants. Ensure compatibility with the intended PCB footprint given the fixed package dimensions.
Selection Notes
Select this component when a 9.9µH inductance and 2.08A current handling capability are required for isolated power stages. Consider the 47mΩ DCR for efficiency calculations. Evaluate the 21.00mm x 28.50mm footprint against available board space. Compare against the VPH5-0155TR-R if higher inductance values are necessary for the specific topology.
Part Context
This part belongs to Eaton's VERSA-PAC series, which offers configurable inductors and transformers. These components are designed to provide flexibility in power supply designs by allowing customization of magnetic properties while maintaining standardized form factors. The series supports various industrial and commercial power conversion requirements.
Replacement Considerations
The VPH5-0155TR-R is a related variant within the same series but specifies a 22.3µH inductance, differing from the 9.9µH of the VP5-0155-R. Direct substitution requires verifying that the increased inductance does not disrupt the target circuit's timing or regulation parameters.
