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Product Detailed Parameters
- Description：CMC 850UH 1A 2LN TH
- Series：7100
- Mfr：Bourns Inc.
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：60mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.700" Dia x 0.550" W (17.78mm x 13.97mm)
- Height (Max)：0.700" (17.78mm)
- Package / Case：Vertical, No Base, 4 PC Pin
- Inductance @ Frequency：850 µH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Bourns 7102-RC is a through-hole common mode choke featuring dual windings and a nominal inductance of 850 µH at 1 kHz. It supports a maximum DC current of 1 A with a maximum DC resistance of 60 mΩ. The component exhibits a tolerance of 15% and operates within a temperature range of -55°C to +125°C. It provides a dielectric strength of 1000 Vrms and is mounted on a VW-1 rated header, ensuring low radiation and high current capacity for EMI suppression.
Feature Summary
- Dual winding construction for effective common mode noise reduction
- High dielectric strength of 1000 Vrms for electrical isolation
- Mounted on a VW-1 rated header for flame retardancy
- Low radiation design suitable for sensitive electronic circuits
Applications
- EMI suppression in power supply input lines
- Noise filtering in industrial control systems
- Signal integrity protection in telecommunications equipment
- Common mode interference reduction in consumer electronics
Procurement Notes
Verify the specific suffix RC against the manufacturer's latest datasheet to confirm lead times and availability status. Ensure the ordering part number matches the required through-hole package dimensions and pin configuration. Cross-reference the 850 µH inductance and 1 A current rating with your circuit design requirements before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring robust common mode noise attenuation with a nominal inductance of 850 µH. The 1 A current rating and 60 mΩ DCR make it suitable for moderate power applications. Consider the through-hole mounting style and VW-1 rated header if PCB space allows and vertical mounting is preferred for thermal or mechanical stability.
Part Context
This component belongs to the Bourns 7100 series of common mode chokes, designed for general-purpose EMI filtering. The series offers various inductance values and current ratings to suit different application needs. The 7102-RC specifically targets applications requiring balanced dual-winding performance with high insulation voltage capabilities.
Replacement Considerations
Consult official Bourns documentation for direct cross-references. Verify that any substitute part maintains identical inductance (850 µH), current rating (1 A), and physical footprint compatibility.
