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Product Detailed Parameters
- Description：CMC 500MA 2LN 140 OHM SMD
- Series：BWCU_02
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：174mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 105°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.063" L x 0.031" W (1.60mm x 0.80mm)
- Height (Max)：0.051" (1.30mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：140 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The BWCU00160811141M02 is a surface mount common mode choke manufactured by Pulse Electronics. It features a two-line configuration designed for signal integrity protection. The component exhibits an impedance of 140 Ohms at a test frequency of 100 MHz. It supports a maximum DC current rating of 500 mA with a maximum DC resistance (DCR) of 174 mOhm. The device operates within a temperature range of -55°C to +125°C and utilizes a compact 0603 (1608 metric) package footprint.
Feature Summary
- Provides common mode noise suppression for differential signal lines
- Shielded construction minimizes electromagnetic interference coupling
- Designed for high-speed digital interface applications
Applications
- USB 2.0 data line protection
- IEEE 1394b (FireWire) signal filtering
- LVDS (Low-Voltage Differential Signaling) circuit noise reduction
Procurement Notes
Verify the specific suffix M02 against official Pulse Electronics documentation to confirm exact impedance tolerance and packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding the 0603 package dimensions. Cross-reference the DCR value of 174 mOhm with design requirements for power loss calculations in low-voltage signal paths.
Selection Notes
Select this component when shielding is required for differential pairs operating at high frequencies. The 140 Ohm impedance at 100 MHz targets specific noise spectra common in USB and FireWire protocols. Consider the 500 mA current rating to ensure the component does not saturate during peak signal activity while maintaining low insertion loss due to its minimal DC resistance.
Part Context
This part belongs to the Pulse Electronics lineup of passive components, specifically within their common mode filter category. It is engineered for consumer electronics and industrial communication interfaces requiring robust EMI mitigation. The manufacturer integrates advanced ferrite materials to achieve stable performance across the specified wide temperature operating range.
Replacement Considerations
Consult official distributor databases for direct cross-references. Verify that any substitute maintains the 140 Ohm @ 100 MHz impedance profile and 0603 footprint to ensure board compatibility without redesign.
