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Product Detailed Parameters
- Description：CMC 51UH 200MA 2LN 2.8 KOHM SMD
- Series：ACT45B
- Mfr：EPCOS - TDK Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：200mA
- DC Resistance (DCR) (Max)：1Ohm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 150°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.177" L x 0.126" W (4.50mm x 3.20mm)
- Height (Max)：0.118" (3.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：51 µH @ 100 kHz
- Impedance @ Frequency：2.8 kOhms @ 10 MHz
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Overview
The B82787C0513H002 is a surface-mount common mode choke from the TDK ACT45B series, designed for signal line filtering. It features an inductance of 51 µH with a tolerance range of -30% to +50%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 1 Ohm. Rated for 50V DC, it operates within a temperature range of -40°C to +150°C. The package dimensions are 7.1mm x 6mm.
Feature Summary
- Provides robust electromagnetic interference suppression for differential signal lines
- Engineered specifically for automotive communication bus applications
- Utilizes a compact surface-mount design for efficient PCB integration
Applications
- Automotive CAN bus signal line filtering
- Differential data line protection in vehicle electronics
- Electromagnetic compatibility enhancement for automotive control units
Procurement Notes
Verify the specific part number against official TDK/EPCOS documentation to confirm the ACT45B series designation and automotive qualification status. Ensure that the -30% to +50% inductance tolerance aligns with the target circuit requirements. Cross-reference the 200mA current rating and 1 Ohm DCR limits with system specifications before finalizing procurement decisions.
Selection Notes
Select this component when designing automotive CAN bus interfaces requiring compact common mode chokes. The 51 µH inductance value is suitable for standard CAN signaling frequencies. Consider the wide operating temperature range of -40°C to +150°C for harsh automotive environments. Verify that the 200mA current rating exceeds the maximum expected bus current to prevent saturation.
Part Context
This component belongs to the EPCOS (now TDK Electronics) ACT45B series of surface-mount common mode chokes. The series is characterized by its small footprint and high reliability for automotive applications. The B82787C0513H002 variant specifically targets CAN bus networks, offering a balance between size constraints and effective noise suppression capabilities in modern vehicle electronic architectures.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official TDK distributors or technical support for validated alternatives within the ACT45B family or equivalent automotive-grade common mode chokes.
