The BLM15EX331SN1D is a multilayer chip ferrite bead manufactured by Murata. Belonging to the BLM series, this component is designed for high-frequency noise suppression and electromagnetic interference (EMI) filtering in electronic circuits.
Featuring a nominal impedance of 330Ω at 100MHz and an impedance tolerance of ±25%, the BLM15EX331SN1D provides effective high-frequency noise attenuation. Its impedance reaches 450Ω at 1GHz, making it suitable for applications requiring high-frequency interference suppression in power and signal lines.
The component supports a rated current of 1.1A at 85°C and 0.7A at 125°C, with a maximum DC resistance of 205mΩ. These characteristics make it suitable for electronic circuits requiring noise filtering while maintaining appropriate current-handling capability.
The BLM15EX331SN1D features a compact 0402 (1005 Metric) surface-mount package, with nominal dimensions of 1.00 × 0.50 × 0.50mm. Its small footprint makes it ideal for high-density PCB layouts and automated SMT assembly processes.
With an operating temperature range of -55°C to +125°C, this ferrite bead supports reliable operation across a wide range of electronic applications. It can be connected in series with power or signal lines to suppress unwanted high-frequency noise and improve electromagnetic compatibility (EMC).
The Murata BLM15EX331SN1D is suitable for consumer electronics, communication equipment, computer peripherals, automotive electronic systems, and industrial control applications. It provides a compact and practical solution for engineers and electronic manufacturers seeking effective EMI noise suppression components.
Key Features:
- Manufacturer: Murata
- Part Number: BLM15EX331SN1D
- Product Series: BLM Series
- Product Type: Multilayer Chip Ferrite Bead
- Impedance: 330Ω at 100MHz
- Impedance Tolerance: ±25%
- Impedance at 1GHz: 450Ω ±40%
- Rated Current: 1.1A at 85°C / 0.7A at 125°C
- Maximum DC Resistance: 205mΩ
- Package Size: 0402 (1005 Metric)
- Dimensions: 1.00 × 0.50 × 0.50mm
- Number of Circuits: 1
- Operating Temperature: -55°C to +125°C
- Mounting Type: Surface Mount (SMD/SMT)
- Packaging: Tape and Reel
- Environmental Compliance: RoHS Compliant
Typical Applications:
- EMI noise suppression
- High-frequency noise filtering
- Power supply noise filtering
- Signal line noise suppression
- Communication equipment
- Smartphones and consumer electronics
- Computer and peripheral devices
- Automotive electronic systems
- Industrial control equipment
- General-purpose PCB applications
The Murata BLM15EX331SN1D combines 330Ω impedance at 100MHz, high-frequency noise suppression characteristics, and a compact 0402 package. It is a practical choice for electronic manufacturers and circuit designers requiring reliable ferrite beads for EMI filtering and noise reduction in power and signal lines.
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