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Product Detailed Parameters
- Description：CMC 1MH 1.2A 2LN TH
- Series：7300
- Mfr：Bourns Inc.
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：1.2A
- DC Resistance (DCR) (Max)：220mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-55°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.669" L x 0.433" W (17.00mm x 11.00mm)
- Height (Max)：0.669" (17.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：1 mH @ 1 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Bourns 7351-V-RC is a vertical mount common mode choke designed for through-hole assembly. It features a single channel configuration with radial termination and operates within a temperature range of -55°C to +105°C. The component provides an inductance of 1 mH at 1 kHz, supports a maximum DC current of 1.2 A, and has a maximum DC resistance of 220 mohms. Its physical dimensions are 17 mm in length, 11 mm in width, and 0.6 mm in height.
Feature Summary
- Vertical mounting style for space-efficient circuit board integration
- Radial leaded termination for standard through-hole processing
- High thermal stability across extended operating temperatures
Applications
- Common mode noise suppression in power supply lines
- EMI filtering for sensitive electronic circuits
- Signal integrity protection in data transmission interfaces
Procurement Notes
Verify the exact part number suffix against official manufacturer documentation to confirm specific tolerance or packaging variations. Ensure compatibility with existing PCB footprint dimensions, particularly the 17 mm by 11 mm base area. Confirm that the 1.2 A current rating meets the design requirements for continuous operation under expected load conditions.
Selection Notes
Select this component when vertical orientation is required to minimize board space usage. The 1 mH inductance value is suitable for general-purpose EMI filtering applications. Verify that the 220 mohm DCR does not introduce excessive voltage drop in the target circuit path. Ensure the operating environment stays within the specified -55°C to +105°C range for reliable performance.
Part Context
This component belongs to the Bourns 7300 series of common mode filters. It is manufactured by Bourns Inc., a provider of passive electronic components. The part is classified as a common mode choke intended for noise suppression in electrical circuits. It utilizes a vertical construction method distinct from surface-mount alternatives.
Replacement Considerations
The 7351-H-RC is a confirmed substitute part number within the same product family. Both parts share identical electrical specifications including 1 mH inductance and 1.2 A current rating. Verify mechanical pin compatibility before substitution.
