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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 1206 1LN
- Series：MU
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power, Signal Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：900mA
- DC Resistance (DCR) (Max)：150mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：1206 (3216 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.051" (1.30mm)
- Size / Dimension：0.126" L x 0.063" W (3.20mm x 1.60mm)
- Features：-
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Overview
The Bourns MU3261-121Y is a surface-mount ferrite chip bead designed for high impedance applications. It features an impedance of 120 ohms with a tolerance of ±25%. The component supports a maximum DC current of 900 mA and has a maximum DC resistance of 150 milliohms. It operates within a temperature range of -55°C to +125°C. The device utilizes a 1206 (3216 metric) package, measuring 3.2 mm in length and 1.6 mm in width.
Feature Summary
- Provides high impedance characteristics for noise suppression
- Supports surface mount technology for automated assembly
- Rated for high DC current handling capabilities
Applications
- Power line filtering
- Signal line filtering
Procurement Notes
Verify the part status as some sources indicate this specific model may be obsolete. Confirm RoHS compliance details directly with the manufacturer or authorized distributors before procurement. Ensure the 1206 package dimensions match your PCB footprint requirements. Check for alternative active parts if supply continuity is critical for long-term production.
Selection Notes
Select this component when a 120-ohm impedance at 100 MHz is required for EMI suppression. The 900 mA current rating makes it suitable for power lines carrying moderate currents. The 150 milliohm DCR minimizes voltage drop. Ensure the operating environment stays within the -55°C to +125°C range for reliable performance.
Part Context
This component belongs to the Bourns MU series of high impedance chip ferrite beads. These components are engineered for effective electromagnetic interference reduction in compact electronic designs. The series offers various impedance values and current ratings to suit different circuit requirements while maintaining standard SMD packaging.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Bourns technical support for direct replacements or cross-reference similar 1206 ferrite beads with matching 120-ohm impedance and 900 mA current ratings.
