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Product Detailed Parameters
- Description：CMC 10MH 800MA 2LN TH
- Series：7400
- Mfr：Bourns Inc.
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：500mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-55°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.748" L x 0.669" W (19.00mm x 17.00mm)
- Height (Max)：0.827" (21.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：10 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Bourns Inc. 7412-RC is a through-hole common mode choke designed for EMI filtering in two-line circuits. It features an inductance of 10 mH at 1 kHz and supports a maximum current rating of 800 mA. The component has a maximum DC resistance of 500 mOhm and an AC voltage rating of 250 V. Physical dimensions are 19.00 mm in length, 17.00 mm in width, with a maximum height of 21.00 mm. It operates within a temperature range of -55°C to 105°C.
Feature Summary
- Provides common mode noise suppression for differential signal lines
- Constructed for reliable through-hole PCB mounting
- Engineered to handle high current loads with low insertion loss
Applications
- EMI filtering in consumer electronic devices
- Noise suppression in industrial control systems
- Signal integrity protection in telecommunications equipment
Procurement Notes
Verify the specific suffix 'RC' against the manufacturer's official datasheet to confirm lead time and availability status. Ensure the through-hole footprint matches the target PCB design. Confirm that the 800 mA current rating and 10 mH inductance meet the circuit requirements before finalizing procurement orders.
Selection Notes
Select this component when a robust through-hole solution is required for common mode interference reduction. The 10 mH inductance offers significant attenuation for high-frequency noise. Verify that the 800 mA current capacity aligns with the operational load to prevent saturation. The 250 V AC rating ensures safety compliance for line-level applications.
Part Context
This component belongs to Bourns' series of common mode chokes, which are passive magnetic components used to suppress electromagnetic interference. These filters are essential for maintaining signal integrity in electronic systems by blocking common mode currents while allowing differential signals to pass unaffected.
Replacement Considerations
Consult the official Bourns datasheet for direct pin-compatible substitutes. Verify that any alternative part maintains the 10 mH inductance and 800 mA current rating. Ensure the replacement supports through-hole mounting and meets the same thermal and voltage specifications.
