SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA 1.13OHM SM. Review the specifications below when checking this part for your BOM.
The Würth Elektronik 784777221 is a shielded wirewound power inductor from the WE-PDA series, designed for surface-mount applications. It features a nickel-zinc ferrite core and offers an inductance of 220 µH with a tolerance of ±20%. The component supports a maximum DC current of 500 mA and reaches saturation at 550 mA. Its direct current resistance (DCR) is 1.13 ohms maximum, with a self-resonant frequency of 3.9 MHz tested at 100 kHz. The device operates within a temperature range of -40°C to 125°C and holds AEC-Q200 qualification.
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and lead time specifications. Confirm that the component meets all required electrical parameters for the target circuit design before finalizing procurement orders.
Select this component when a 220 µH inductance value is required with moderate current handling capabilities up to 500 mA. Consider the 1.13 Ω DCR for efficiency calculations and verify that the physical dimensions fit the available PCB footprint constraints.
This part belongs to the WE-PDA family of fixed inductors manufactured by Würth Elektronik. The series is characterized by shielded designs intended for advanced power management applications requiring reliable performance under varying thermal conditions.
No public confirmed substitute part numbers are documented for this specific model.
The saturation current (Isat) is 550 mA.
Yes, the component is AEC-Q200 qualified.
Explore related parts through Inductors, Coils, Chokes, all product categories, ChipApex homepage.

784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
Learn what a battery BMS does, how protection differs from charging, and which pack specifications to check when sourcing BMS components through ChipApex.
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
Compare SPST and SPDT toggle switches, understand AC/DC ratings, and follow wiring examples. Check contact action, mounting and parts in the ChipApex catalog.
Read More
Compare Pt100 and Pt1000 RTDs, two-, three- and four-wire connections, excitation and self-heating. Build an error budget from element to reported temperature.
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More
Understand how a comparator switches at a voltage threshold, why hysteresis prevents chatter, and which output and input specs matter.
Read More
784777221 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 220UH 500MA…
Read More