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Product Detailed Parameters
- Description：CMC 45MH 700MA 2LN TH
- Series：7500
- Mfr：Bourns Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：700mA
- DC Resistance (DCR) (Max)：1.18Ohm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-55°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.906" L x 0.748" W (23.00mm x 19.00mm)
- Height (Max)：1.083" (27.50mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：45 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Bourns Inc. 7518-RC is a through-hole common mode choke designed for electromagnetic interference suppression in two-line circuits. It features an inductance of 45 mH measured at 1 kHz and supports a maximum current rating of 700 mA. The component exhibits a DC resistance of 1.18 Ohms. Its physical dimensions are 23.00 mm in length, 19.00 mm in width, with a maximum height of 27.50 mm.
Feature Summary
- Provides common mode noise attenuation for dual-line signal paths
- Engineered for through-hole mounting configurations
- Constructed to meet RoHS compliance standards
Applications
- Electromagnetic interference filtering in electronic equipment
- Signal line protection in industrial control systems
- Noise suppression in consumer electronics power supplies
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to ensure correct specifications. Confirm that the component meets required environmental certifications such as RoHS compliance before integration into final assemblies. Cross-reference part numbers with official distributor catalogs to avoid counterfeit components.
Selection Notes
Select this component when designing circuits requiring high inductance values for low-frequency noise suppression. Ensure the PCB layout accommodates the specified through-hole footprint dimensions. Verify that the operating current remains within the 700 mA limit to prevent saturation or thermal issues during normal operation.
Part Context
This component belongs to the common mode choke category manufactured by Bourns Inc. It serves as an EMI filter solution for protecting sensitive electronics from conducted interference. The product line focuses on providing reliable noise reduction capabilities for various commercial and industrial applications.
Replacement Considerations
Consult official substitution lists for compatible alternatives. Verify that any replacement maintains identical inductance, current rating, and physical dimensions to ensure proper circuit functionality and mechanical fit without redesigning the printed circuit board.
