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SDR0503-472JL is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Bourns Inc.. Its product description is FIXED IND 4.7MH 40MA 48 OHM SMD. Review the specifications below when checking this part for your BOM.
Fixed Inductors specifications for SDR0503-472JL
- Description：FIXED IND 4.7MH 40MA 48 OHM SMD
- Series：SDR0503
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：4.7 mH
- Tolerance：±5%
- Current Rating (Amps)：40 mA
- Current - Saturation (Isat)：50mA
- Shielding：Unshielded
- DC Resistance (DCR)：48Ohm Max
- Q @ Freq：40 @ 252kHz
- Frequency - Self Resonant：1MHz
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：1 kHz
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：0.197" L x 0.189" W (5.00mm x 4.80mm)
- Height - Seated (Max)：0.130" (3.30mm)
- Features：-
Fixed Inductors datasheet and documents for SDR0503-472JL
Fixed Inductors Overview
The SDR0503-472JL is a fixed surface-mount power inductor from Bourns Inc., featuring an unshielded drum core and wirewound construction. It provides an inductance of 4700 µH with a tolerance of ±5%. The component has a maximum DC resistance of 0.252 Ohms and supports a saturation current of 40 mA. Its physical dimensions are 1.0 inch in length, 0.040 inch in width, and 0.050 inch in height.
Fixed Inductors Feature Summary
- Unshielded drum core design for specific magnetic field requirements
- Wirewound construction for high reliability
- Surface mount package for automated assembly
Fixed Inductors Applications
- LED driver applications
- Current control circuits
- Overheat protection systems
Fixed Inductors Procurement Notes
Verify the exact part number suffix against official Bourns documentation to ensure correct tolerance and packaging specifications. Confirm lead times as they may vary based on manufacturer standard schedules. Request updated datasheets prior to final design integration to account for potential specification changes without notice.
Fixed Inductors Selection Notes
Select this component when high inductance values are required in a compact surface-mount form factor. Consider the low current rating of 40 mA during circuit design to prevent saturation. Ensure the unshielded nature does not interfere with nearby sensitive components due to magnetic field exposure.
Fixed Inductors Part Context
This inductor belongs to the SDR0503 series of SMD power inductors by Bourns. The series offers various inductance options ranging from 0.68 µH to higher values, with profiles varying between 2.5mm and 9.8mm. It is RoHS compliant and designed for general electronic applications requiring reliable passive components.
Fixed Inductors Replacement Considerations
Direct substitutes within the same series include SDR0503-272JL and SDR0503-822JL, though their inductance values differ significantly. Verify mechanical footprint compatibility and electrical parameters before swapping with other manufacturers' products.
Explore related parts through Inductors, Coils, Chokes, all product categories, ChipApex homepage.
