1. Product Overview: Allied MC20A Series Shielded Power Inductors

️· Type: Shielded Power Inductors
️· Manufacturer: Allied Components International (ACI)
️· Series: MC20A
️· Physical Packaging: 2000 pieces per 7-inch reel
️· Marking: EIA Inductance Code

2. Test Equipment & Specifications (General to the Series)

️· (L/Q) - Inductance/Quality Factor: Measured with HP4287A + HP16034E (for inductors up to 82µH) and HP4292A + HP16034E (for 100µH - 470µH).
️· (RDC) - DC Resistance: Measured using Chen Hwa 502
️· (SRF) - Self-Resonant Frequency: Measured using HP4291A
️· Immersion Time during Solder Test: 4 ± 1 second
️· Solder Temperature: 245 ± 5ºC
️· Solder Test Equipment: Includes reference to general procedures, with specific equipment listed above.

3. Inductor Specifications - Series Details

️· The second text block provides a table with the following data for a subset of inductors within the MC20A series:
- Part Number: (e.g., MC20A-1R0K-RC)
- Inductance: (µH) (e.g., 1.0)
- Tolerance: (%) (e.g., 10)
- Q (Quality Factor) (Minimum)
- Test Frequency: (MHz)
- SRF (Self-Resonant Frequency): (MHz)
- DCR (DC Resistance): (Ohms)
- IDC (Rated DC Current): (mA)

4. Key Solder Test Parameters:

️· Solder Temperature: 245 ± 5ºC
️· Immersion Time: 4 ± 1 second.
️· Solder type: Sn63/Pb37

5. Important Notes:

️· Available in Tighter Tolerances: Implies the inductors are available beyond the listed values.
️· Specifications Subject to Change: Indicates that specifications can be updated.



In essence, this documentation outlines a shielded power inductor series, providing testing methodologies, specifications, and table of parameters for various inductors within the series.