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Product Detailed Parameters
- Description：FIXED IND 1H 300MA 40 OHM CHASS
- Series：158
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：-
- Material - Core：-
- Inductance：1 H
- Tolerance：±15%
- Current Rating (Amps)：300 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：40Ohm
- Q @ Freq：-
- Frequency - Self Resonant：-
- Ratings：-
- Operating Temperature：-
- Inductance Frequency - Test：-
- Mounting Type：Chassis Mount
- Package / Case：Nonstandard
- Supplier Device Package：-
- Size / Dimension：3.250" L x 2.000" W (82.55mm x 50.80mm)
- Height - Seated (Max)：2.000" (50.80mm)
- Features：-
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Overview
The Hammond Manufacturing 158T is a DC reactor and filter choke designed for open channel mounting. It features an inductance of 1.0H with a tolerance of ±15%. The component supports a maximum DC current of 300 mA and has a resistance of 40 ohms (±15%). It operates at a maximum voltage of 400VDC. The physical dimensions are approximately 82.6 x 50.8 x 50.8 mm, utilizing a chassis mount configuration.
Feature Summary
- Provides DC filtering and reactance for circuit stabilization
- Designed for open channel or chassis mounting applications
- Constructed as an unshielded inductor unit
Applications
- DC power supply filtering
- Choke applications in electronic circuits
- Industrial control systems requiring DC reactance
Procurement Notes
Verify the specific electrical requirements against the datasheet before procurement. Confirm that the 300 mA current rating and 400VDC voltage limit align with the target circuit design. Ensure the open channel mounting style fits the mechanical constraints of the assembly. Check for RoHS compliance status if required by project specifications.
Selection Notes
Select this component when a fixed 1.0H inductance is required for DC line filtering. Consider the 40 ohm resistance value for voltage drop calculations. The open channel form factor dictates the available mounting space. Compare against shielded alternatives if electromagnetic interference mitigation is necessary for the application environment.
Part Context
This part belongs to Hammond Manufacturing's line of passive components, specifically DC reactors and chokes. It serves as a fundamental element for smoothing DC currents and blocking AC ripple in power distribution paths. The product is distinct from their power strip offerings found in other series numbers.
Replacement Considerations
Direct substitutes must match the 1.0H inductance, 300 mA current rating, and 40 ohm resistance. Verify that replacement units support the same 400VDC operating voltage. Ensure the mechanical footprint allows for identical open channel mounting without modification.
