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Product Detailed Parameters
- Description：CAP FEEDTHRU
- Series：B85321
- Mfr：EPCOS - TDK Electronics
- Package：Bulk
- Voltage - Rated：-
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Overview
The B85321A2205A501 is a feed-through capacitor from the TDK EPCOS B85321 series, designed for electromagnetic interference suppression. It features a rated voltage of 250 V AC (50/60 Hz) and 600 V DC. The component operates within a temperature range defined by its rated current specifications at 40 °C. This single-terminal feed-through design integrates capacitance directly into the circuit path to attenuate high-frequency noise.
Feature Summary
- Feed-through construction for direct cable integration
- High-voltage insulation capability for AC and DC systems
- Electromagnetic interference attenuation in signal lines
Applications
- Industrial control system signal filtering
- Power supply input/output noise suppression
- Electronic equipment EMC compliance testing
Procurement Notes
Verify the specific suffix codes against official TDK documentation to ensure correct voltage and current ratings. Confirm package compatibility with existing PCB or panel mount designs. Request manufacturer datasheets for precise thermal derating curves and impedance characteristics before finalizing procurement specifications.
Selection Notes
Select this component when high-voltage isolation and low-impedance noise shunting are required in a single-pass configuration. Evaluate the rated current against operational loads to prevent thermal degradation. Ensure the physical dimensions align with available mounting space in the target assembly.
Part Context
This part belongs to the B85321 series of feed-through capacitors manufactured by TDK Electronics, formerly EPCOS. The series is engineered for robust EMI suppression in demanding environments. The B85321 designation indicates a specific family of components optimized for both power and signal line filtering applications.
Replacement Considerations
Consult official TDK cross-reference lists for verified substitutes. Ensure replacement parts match the 250 V AC / 600 V DC rating and physical footprint. Verify that alternative feed-through capacitors maintain equivalent capacitance values and current handling capabilities.
