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Product Detailed Parameters
- Description：FERRITE BEAD 240 OHM 0402 1LN
- Series：BK
- Mfr：Taiyo Yuden
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：240 Ohms @ 100 MHz
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：300mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0402 (1005 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.022" (0.55mm)
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Features：-
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Overview
The BK1005HM241-T is a multilayer chip ferrite bead from the Taiyo Yuden BK series, designed for high-frequency noise suppression in surface-mount applications. It features a 0402 (1005 metric) package with dimensions of 1.00mm x 0.50mm and a maximum height of 0.55mm. The component provides an impedance of 240 Ohms at 100 MHz and has a maximum DC resistance of 300 milliohms. It supports a rated current of 300mA and operates within a temperature range of -55°C to 125°C.
Feature Summary
- Multilayer construction for compact high-frequency noise filtering
- High impedance performance at 100 MHz for EMI suppression
- Low DC resistance to minimize signal loss
- RoHS3 compliant and suitable for automated surface-mount assembly
Applications
- Portable electronic devices requiring compact EMI filters
- Data lines and power supplies in consumer electronics
- High-speed digital circuits needing noise attenuation
- Mobile communication equipment components
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance status and check for recent Product Change Notifications (PCN) regarding material or process updates. Ensure storage conditions meet moisture sensitivity level requirements before reflow soldering to maintain reliability.
Selection Notes
Select this component when space constraints require a 0402 footprint with specific 240 Ohm impedance characteristics. Consider the 300mA current rating and 300 milliohm DCR limits against circuit requirements. Evaluate thermal management needs given the -55°C to 125°C operating range and ensure compatibility with standard SMT reflow profiles.
Part Context
This part belongs to the Taiyo Yuden BK series of multilayer chip beads, engineered for effective electromagnetic interference suppression in small form factors. The series is widely used in portable electronics where size and performance are critical. The BK1005HM241-T specifically targets applications requiring reliable noise filtering in tight PCB layouts.
Replacement Considerations
Publicly confirmed substitute part numbers include MMZ1005Y241CT000 by TDK and BMC1EY0240AN by TE Connectivity Passive Product. Verify electrical parameters such as impedance, current rating, and physical dimensions before substitution.
