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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0805 1LN
- Series：BK
- Mfr：Taiyo Yuden
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：150mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.041" (1.05mm)
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Features：-
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Overview
The BK2125HS121-T is a multilayer chip bead inductor from the Taiyo Yuden BK series, designed for surface mount applications. It features an impedance of 120 Ohms with a tolerance of 25% and operates at frequencies up to 100 MHz. The component supports a rated current of 0.8 A and has a maximum DC resistance of 0.15 Ω. It is housed in a 0805 (2012 metric) package with physical dimensions of 2.0 mm length, 1.25 mm width, and 0.85 mm height. The device is certified to AEC-Q200 standards and functions within a temperature range of -55 °C to 125 °C.
Feature Summary
- Multilayer construction for compact EMI suppression
- AEC-Q200 automotive qualification
- High current handling capability
Applications
- Automotive electronic circuits
- RF signal line filtering
- EMI noise suppression in power supplies
Procurement Notes
Verify the specific suffix 'TV' against the base model 'BK2125HS121-T' in official datasheets to confirm packaging or variant differences. Check for end-of-life notifications as some sources indicate discontinuation status. Ensure compatibility with AEC-Q200 requirements if used in automotive designs. Confirm RoHS compliance through manufacturer documentation before procurement.
Selection Notes
Select this component when a 0805 footprint is required for high-current EMI filtering in automotive environments. The 120 Ohm impedance provides effective noise attenuation at 100 MHz. Consider the 0.8 A current rating for power line applications. Verify thermal performance within the specified -55 °C to 125 °C operating range for harsh conditions.
Part Context
This part belongs to the Taiyo Yuden BK series of multilayer chip beads. These components are engineered for high-density mounting and reliable noise suppression. The series includes various impedance values and current ratings to suit different circuit needs. The BK2125HS121-T specifically targets automotive and industrial applications requiring robust EMI control.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific model are not available in the provided data. Consult manufacturer cross-reference guides for potential alternatives.
