BK2125HM821-T

Description：FERRITE BEAD 820 OHM 0805 1LN
Series：BK
Mfr：Taiyo Yuden
Package：Tape & Reel (TR)

SKU:615b2fc1a93e Category: Ferrite Beads and Chips Brand: Taiyo Yuden

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Product introduction

Product Detailed Parameters

Description：FERRITE BEAD 820 OHM 0805 1LN
Series：BK
Mfr：Taiyo Yuden
Package：Tape & Reel (TR)
Filter Type：-
Number of Lines：1
Impedance @ Frequency：820 Ohms @ 100 MHz
Current Rating (Max)：-
DC Resistance (DCR) (Max)：-
Ratings：-
Operating Temperature：-55°C ~ 125°C
Package / Case：0805 (2012 Metric)
Mounting Type：Surface Mount
Height (Max)：-
Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
Features：-

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BK2125HM821-T

Overview

The BK2125HM821-T is a multilayer ferrite chip bead manufactured by Taiyo Yuden, designed for electromagnetic interference suppression in electronic circuits. It utilizes a single-line configuration within an 0805 (2012 metric) surface-mount package. The component exhibits an impedance of 820 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 600 mA and maintains a maximum DC resistance of 200 mOhms. The device operates reliably within a temperature range of -55°C to +125°C.

Feature Summary

Multilayer construction using advanced ceramics and low-resistivity silver internal conductors
Single-line ferrite bead design for effective noise suppression
Surface-mount compatibility with standard 0805 footprint dimensions

Applications

Electromagnetic interference filtering in portable communication devices
Noise suppression in automotive electronic control units
Signal integrity protection in high-speed digital circuitry

Procurement Notes

Verify the specific ordering suffix and packaging configuration directly with the manufacturer or authorized distributors before procurement. Confirm that the component meets all required environmental standards and RoHS compliance specifications for the intended application. Ensure that the supply chain source is authorized to guarantee authenticity and traceability of the ferrite beads.

Selection Notes

Select this component when an impedance value near 820 Ohms at 100 MHz is required for noise attenuation. Evaluate the maximum DC current rating of 600 mA against the circuit's operational load to prevent saturation. Consider the 0805 package size constraints and the operating temperature range of -55°C to +125°C for thermal compatibility.

Part Context

This part belongs to the BK series of multilayer chip beads from Taiyo Yuden. These components are engineered for general-purpose noise suppression applications. The series offers various impedance values and current ratings to suit different circuit requirements while maintaining consistent physical dimensions for standardized PCB layouts.