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OWINR5040-3R3 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Ole Wolff Electronics Inc. Its product description is FIXED IND 3.3UH 4.0A 33 MOHM SMD. Review the specifications below when checking this part for your BOM.
Fixed Inductors specifications for OWINR5040-3R3
- Description：FIXED IND 3.3UH 4.0A 33 MOHM SMD
- Series：-
- Mfr：Ole Wolff Electronics Inc
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Molded
- Material - Core：Ferrite
- Inductance：3.3 µH
- Tolerance：-
- Current Rating (Amps)：3.4 A
- Current - Saturation (Isat)：3.95A
- Shielding：Semi-Shielded
- DC Resistance (DCR)：31mOhm
- Q @ Freq：-
- Frequency - Self Resonant：32MHz
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：-
- Mounting Type：Surface Mount
- Package / Case：2020 (5050 Metric)
- Supplier Device Package：2020
- Size / Dimension：0.197" L x 0.197" W (5.00mm x 5.00mm)
- Height - Seated (Max)：0.157" (4.00mm)
- Features：-
Fixed Inductors datasheet and documents for OWINR5040-3R3
Fixed Inductors Overview
The OWINR5040-3R3 is a semi-shielded molded power inductor from Ole Wolff Electronics Inc, housed in a 2020 (5050 Metric) surface-mount package. It features a nominal inductance of 3.3 µH with a maximum DC resistance of 31 mΩ and a saturation current rating of 3.4 A. The component utilizes a magnetic resin shielded construction to minimize buzz noise and includes metallization on the ferrite core for enhanced shock resistance.
Fixed Inductors Feature Summary
- Semi-shielded molded construction reduces electromagnetic interference and buzz noise
- Metallized ferrite core provides improved mechanical shock resistance
- Surface-mount design suitable for automated assembly processes
Fixed Inductors Applications
- Consumer electronics power supply circuits
- Medical device power management systems
- Industrial system voltage regulation modules
Fixed Inductors Procurement Notes
Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS, Halogen Free, and REACH compliance status prior to integration. Ensure storage conditions maintain component integrity against moisture and physical damage during handling.
Fixed Inductors Selection Notes
Select this component for applications requiring compact power filtering with low noise characteristics. Evaluate thermal performance under load conditions to ensure operation within specified temperature ranges. Consider physical dimensions for PCB layout constraints.
Fixed Inductors Part Context
This inductor belongs to the OWINR series of semi-shielded power inductors designed for high-reliability applications. Ole Wolff Electronics manufactures acoustic and magnetic components for consumer, medical, and industrial sectors, focusing on compact solutions with robust shielding properties.
Fixed Inductors Replacement Considerations
Cross-reference with other 3.3 µH, 2020 package inductors from different manufacturers if supply chain constraints exist. Verify that substitute components meet identical electrical specifications and physical footprint requirements.
Fixed Inductors FAQ
What is the primary benefit of the magnetic resin shielded construction?
It significantly reduces buzz noise levels compared to unshielded alternatives.
How does the metallization on the ferrite core improve performance?
It enhances the component's resistance to mechanical shock during handling and operation.
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