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Product Detailed Parameters
- Description：CMC 70MA 2LN 10.5 KOHM SMD
- Series：WE-CNSA
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：70mA
- DC Resistance (DCR) (Max)：5.5Ohm
- Voltage Rating - DC：80V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height (Max)：0.106" (2.70mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：10.5 kOhms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 784234201 is a WE-CNSA series surface-mount common mode line filter designed for general electronic equipment. It features a 200 µH inductance and supports a current rating of 1.26 A with a maximum DC resistance of 79 mΩ. The component operates within a temperature range of -40°C to +125°C and utilizes a 1210 (3225 metric) package size.
Feature Summary
- Provides common mode noise suppression for high-speed data lines
- Features a compact surface-mount design suitable for space-constrained applications
- Constructed for automotive-grade reliability and thermal stability
Applications
- Car Infotainment systems
- FlexRay interfaces
- High Speed Data Lines
- IEEE 1394 (Firewire)
- LVDS and USB 2.0 connections
Procurement Notes
Verify the specific datasheet version and RoHS compliance status directly with the manufacturer before integration. Confirm that the application environment remains within the specified -40°C to +125°C operating temperature range. Ensure that the required current does not exceed the 1.26 A rating to maintain performance integrity. Check for any written approval requirements from Würth Elektronik if used in specific automotive contexts.
Selection Notes
Select this component when filtering common mode noise on differential pairs such as FlexRay or LVDS. The 200 µH value provides effective attenuation at relevant frequencies while maintaining low insertion loss. The 1210 footprint offers a balance between electrical performance and board space efficiency compared to smaller packages.
Part Context
This part belongs to the WE-CNSA series, which focuses on surface-mount common mode chokes. These components are engineered to meet the stringent requirements of modern automotive electronics, providing reliable signal integrity protection against electromagnetic interference in high-speed communication buses.
Replacement Considerations
Consult official substitution guides for equivalent inductance and current ratings. Verify pin compatibility and physical dimensions before replacing existing designs.
