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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0603 1LN
- Series：BK
- Mfr：Taiyo Yuden
- Package：Tape & Reel (TR)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：350mA
- DC Resistance (DCR) (Max)：200mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0603 (1608 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.037" (0.95mm)
- Size / Dimension：0.063" L x 0.032" W (1.60mm x 0.80mm)
- Features：-
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Overview
The Taiyo Yuden BK1608HM121-TV is a single-line multilayer chip ferrite bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 120 Ohms at 100 MHz with a maximum DC resistance of 200 milliohms and a rated current of 350 mA. The component operates within a temperature range of -55°C to 125°C and has a maximum height of 0.037 inches (0.95 mm). It complies with RoHS3 standards and holds AEC-Q200 qualification.
Feature Summary
- Multilayer construction for compact high-frequency noise suppression
- AEC-Q200 qualified for automotive reliability requirements
- Low DC resistance design to minimize power loss in power lines
Applications
- Automotive electronic circuit noise filtering
- Power line signal integrity protection
- High-frequency electromagnetic interference suppression
Procurement Notes
Verify the specific suffix 'TV' against the manufacturer's official datasheet, as it may indicate a specific packaging or tape-and-reel configuration distinct from standard variants. Confirm current lifecycle status, as multiple sources indicate this part number is obsolete or end-of-life. Ensure the selected substitute matches the 120 Ohm impedance and 350 mA current rating specifications exactly.
Selection Notes
Select this component when space-constrained automotive applications require effective high-frequency noise attenuation on low-current power rails. The 0603 footprint allows for dense PCB layouts. Designers must account for the 350 mA current limit to prevent saturation and ensure the 200 milliohm DC resistance meets thermal efficiency targets in sensitive power delivery networks.
Part Context
This part belongs to Taiyo Yuden's BK series of multilayer chip beads, designed specifically for automotive EMC compliance. The series utilizes proprietary ceramic materials to achieve stable impedance characteristics across wide temperature ranges. It serves as a critical passive component for protecting sensitive ICs from conducted electromagnetic interference in vehicle electronics.
Replacement Considerations
Direct substitutes include Bourns MG1608-121Y and MH1608-121Y. These alternatives offer similar electrical characteristics and are confirmed by public distributor data as direct replacements for this obsolete part number.
