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Product Detailed Parameters
- Description：FIXED IND 1MH 4.4A 183 MOHM TH
- Series：1539
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：Drum Core, Wirewound
- Material - Core：Ferrite
- Inductance：1 mH
- Tolerance：±10%
- Current Rating (Amps)：4.4 A
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：183mOhm Max
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-
- Inductance Frequency - Test：1 kHz
- Mounting Type：Through Hole
- Package / Case：Radial, Vertical Cylinder
- Supplier Device Package：-
- Size / Dimension：1.500" Dia (38.10mm)
- Height - Seated (Max)：1.500" (38.10mm)
- Features：-
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Overview
The Hammond Manufacturing 1539M29 is a heavy-duty RF choke belonging to the 1539 series. It features an inductance of 1000 µH and supports a maximum DC current of 4.4 A. The component has a maximum DC resistance of 183 mΩ and utilizes an unshielded drum core wirewound construction. Designed for through-hole mounting, it employs a radial vertical cylinder package with dimensions of 0.830 inches in diameter and 0.910 inches in height.
Feature Summary
- Heavy-duty RF choke design suitable for demanding applications
- Unshielded drum core wirewound construction for high current handling
- Radial vertical cylinder package optimized for through-hole installation
Applications
- RF circuit filtering
- Power supply noise suppression
- Industrial electronic equipment protection
Procurement Notes
Verify the specific inductance value and current rating against the official datasheet before procurement. Confirm that the unshielded configuration aligns with the electromagnetic interference requirements of the target application. Ensure the through-hole mounting style matches the printed circuit board layout specifications.
Selection Notes
Select this component when a robust RF choke capable of handling 4.4 A is required. The unshielded design necessitates careful placement to avoid coupling with sensitive traces. Verify that the physical dimensions fit within the enclosure constraints and that the thermal performance meets the operational environment standards.
Part Context
This part belongs to the 1539 series of fixed inductors from Hammond Manufacturing. The series offers various inductance values tailored for different current requirements. The 1539M29 specifically targets applications requiring higher current capacity compared to lower-rated variants in the same family.
Replacement Considerations
Consult the manufacturer's documentation for direct cross-reference alternatives. Verify compatibility regarding inductance tolerance, current rating, and physical footprint before substituting with other brands or series.
