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Product Detailed Parameters
- Description：REACTOR
- Series：1538
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Wirewound
- Material - Core：Ferrite
- Inductance：100 µH
- Tolerance：±10%
- Current Rating (Amps)：10:00 AM
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：27mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-60°C ~ 85°C
- Inductance Frequency - Test：1 kHz
- Mounting Type：Through Hole
- Package / Case：Radial, Horizontal Cylinder
- Supplier Device Package：Radial
- Size / Dimension：0.945" Dia x 1.614" L (24.00mm x 41.00mm)
- Height - Seated (Max)：-
- Features：-
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Overview
The Hammond Manufacturing 1538M20-BULK is a heavy-duty RF choke from the 1538 series. It features an inductance of 100 µH and supports a DC current rating of 10 A. The component has a maximum DC resistance of 27 mΩ and operates with a self-resonant frequency of 2.2 MHz. It utilizes a radial, horizontal cylinder package configuration.
Feature Summary
- Heavy-duty construction designed for robust industrial applications
- Unshielded wirewound design for specific electromagnetic compatibility requirements
- Radial leaded termination style for through-hole mounting
Applications
- EMI/RFI suppression circuits
- Power supply filtering
- General-purpose RF chokes
Procurement Notes
Verify the exact bulk packaging quantity as distributor listings may vary. Confirm that the BULK suffix denotes loose packing rather than tape-and-reel. Ensure the 10A current rating aligns with thermal management capabilities in the final assembly. Cross-reference the 27mΩ resistance value against schematic requirements to prevent excessive voltage drop.
Selection Notes
Select this component when high current handling is required alongside moderate inductance values. The unshielded nature necessitates careful layout planning to minimize magnetic interference with nearby sensitive traces. Verify that the radial horizontal orientation fits within the mechanical constraints of the target enclosure or PCB footprint.
Part Context
This part belongs to the Hammond Manufacturing 1538 series of fixed inductors. These components are engineered for durability in demanding environments. The series offers various inductance and current combinations, with the 1538M20 representing a specific high-current variant suitable for power electronics.
Replacement Considerations
Direct substitutes include other Hammond 1538 series parts with matching 100µH and 10A ratings. Verify pinout compatibility and physical dimensions before replacing. Alternative manufacturers may offer similar specifications but require validation of core material and saturation characteristics.
