Product Overview
The BLM15EG121SN1D from Murata is a GHz noise suppression chip ferrite bead in 0402 package, featuring 120Ω impedance at 100MHz, 1.5A rated current, and excellent high-frequency noise attenuation for digital circuits.
Key Specifications
| Type | Chip ferrite bead (GHz noise suppression) |
| Impedance | 120Ω ±25% @ 100MHz |
| Impedance @ 1GHz | 100Ω min |
| Rated Current | 1.5A @ 85°C |
| DC Resistance | 0.095Ω max |
| Operating Temp | -55°C ~ +125°C |
| Package | 0402 (1.0×0.5mm) |
Features
- GHz noise suppression capability
- 120Ω impedance at 100MHz
- 1.5A rated current at 85°C
- Low DC resistance: 0.095Ω max
- Ultra-compact 0402 footprint
- Impedance maintained at GHz frequencies
Applications
- Digital IC power line noise filtering
- USB and HDMI signal line EMI suppression
- Clock line noise filtering
- Mobile device EMI countermeasures