Chip Ferrite Bead BLM31 Series
The BLM31_SN Series Chip Ferrite Bead is designed for noise suppression in DC power lines. It offers high impedance at 100MHz, making it effective in filtering out unwanted signals. The product is available in various impedance values and current ratings to suit different application needs.
Product Attributes
- Brand: MURATA
- Origin: Japan (implied by MURATA MFG.CO., LTD.)
- Certifications: RoHS compliant (ROHS Y)
Technical Specifications
| MURATA Part Number | Impedance () (at 100MHz) | Rated Current at 85 (mA) | Rated Current at 125 (mA) | DC Resistance () max. | Remark |
| BLM31PG330SN1L | 3325% | 6000 | 3500 | 0.018 | For DC power line |
| BLM31PG330SN1B | 3325% | 6000 | 3500 | 0.018 | For DC power line |
| BLM31PG500SN1L | 35 min. | 3500 | 2300 | 0.03 | For DC power line |
| BLM31PG500SN1B | 35 min. | 3500 | 2300 | 0.03 | For DC power line |
| BLM31PG121SN1L | 12025% | 3500 | 2000 | 0.04 | For DC power line |
| BLM31PG121SN1B | 12025% | 3500 | 2000 | 0.04 | For DC power line |
| BLM31PG391SN1L | 39025% | 2000 | 1250 | 0.10 | For DC power line |
| BLM31PG391SN1B | 39025% | 2000 | 1250 | 0.10 | For DC power line |
| BLM31PG601SN1L | 60025% | 1500 | 1000 | 0.16 | For DC power line |
| BLM31PG601SN1B | 60025% | 1500 | 1000 | 0.16 | For DC power line |
| BLM31SN500SN1L | 5012.5 | 12000 | 10000 | 0.0021 | For DC power line |
| BLM31SN500SN1B | 5012.5 | 12000 | 10000 | 0.0021 | For DC power line |
| BLM31KN121SN1L | 12025% | 6000 | 4000 | 0.011 | For DC power line |
| BLM31KN121SN1B | 12025% | 6000 | 4000 | 0.011 | For DC power line |
| BLM31KN271SN1L | 27025% | 4500 | 3000 | 0.019 | For DC power line |
| BLM31KN271SN1B | 27025% | 4500 | 3000 | 0.019 | For DC power line |
| BLM31KN471SN1L | 47025% | 4000 | 2700 | 0.024 | For DC power line |
| BLM31KN471SN1B | 47025% | 4000 | 2700 | 0.024 | For DC power line |
| BLM31KN601SN1L | 60025% | 2900 | 2000 | 0.045 | For DC power line |
| BLM31KN601SN1B | 60025% | 2900 | 2000 | 0.045 | For DC power line |
| BLM31KN801SN1L | 80025% | 2500 | 1700 | 0.06 | For DC power line |
| BLM31KN801SN1B | 80025% | 2500 | 1700 | 0.06 | For DC power line |
| BLM31KN102SN1L | 100025% | 2000 | 1400 | 0.09 | For DC power line |
| BLM31KN102SN1B | 100025% | 2000 | 1400 | 0.09 | For DC power line |
General Specifications
| Item | Specification |
| Operating Temperature | -55C to +125C |
| Storage Temperature | -55C to +125C |
| Dimensions (LW) | BLM31PG: 3.2 x 1.6 mm BLM31SN: 3.2 x 1.6 mm BLM31KN: 3.2 x 2.5 mm |
| Mass (Typical) | BLM31PG: 0.025 g BLM31SN: 0.025 g BLM31KN: 0.041 g |
| Packaging | Taping (L) / Bulk (B) |
2409292303_muRata-BLM31PG601SN1L_C16902.pdf
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