Product Overview
The MURATA BLM21 Series Chip Ferrite Bead is designed for signal line noise suppression. It offers effective impedance characteristics at 100MHz, making it suitable for various applications including DC power lines, digital interfaces, and high-speed signal lines. The series is available in different performance categories, each with specific impedance and current ratings.
Product Attributes
- Brand: MURATA
- Origin: Japan (implied by MURATA MFG.CO., LTD.)
- Material: Ferrite
- Certifications: Not specified
Technical Specifications
| MURATA Part Number | Impedance () (at 100MHz) | Rated Current (mA) | DC Resistance () max. | Remark |
|---|---|---|---|---|
| BLM21PG220SN1D | 2225% | 6000 | 0.009 | For DC power line |
| BLM21PG220SN1B | 2225% | 6000 | 0.009 | For DC power line |
| BLM21PG300SN1D | 20 min. | 4000 | 0.014 | |
| BLM21PG300SN1B | 20 min. | 4000 | 0.014 | |
| BLM21PG600SN1D | 6025% | 3500 | 0.02 | |
| BLM21PG600SN1B | 6025% | 3500 | 0.02 | |
| BLM21PG121SN1D | 12025% | 3000 | 0.03 | |
| BLM21PG121SN1B | 12025% | 3000 | 0.03 | |
| BLM21PG221SN1D | 22025% | 2000 | 0.045 | |
| BLM21PG221SN1B | 22025% | 2000 | 0.045 | |
| BLM21PG331SN1D | 33025% | 1500 | 0.07 | |
| BLM21PG331SN1B | 33025% | 1500 | 0.07 | |
| BLM21SN300SN1D | 3010 | 8500 | 0.004 | |
| BLM21SN300SN1B | 3010 | 8500 | 0.004 | |
| BLM21SP700SN1D | 7025% | 6000 | 0.009 | |
| BLM21SP700SN1B | 7025% | 6000 | 0.009 | |
| BLM21SP111SN1D | 11025% | 5000 | 0.013 | |
| BLM21SP111SN1B | 11025% | 5000 | 0.013 | |
| BLM21SP181SN1D | 18025% | 4000 | 0.020 | |
| BLM21SP181SN1B | 18025% | 4000 | 0.020 | |
| BLM21RK121SN1D | 12025% | 200 | 0.15 | For Digital Interface |
| BLM21RK121SN1B | 12025% | 200 | 0.15 | For Digital Interface |
| BLM21RK221SN1D | 22025% | 200 | 0.20 | For Digital Interface |
| BLM21RK221SN1B | 22025% | 200 | 0.20 | For Digital Interface |
| BLM21RK471SN1D | 47025% | 200 | 0.25 | For Digital Interface |
| BLM21RK471SN1B | 47025% | 200 | 0.25 | For Digital Interface |
| BLM21RK601SN1D | 60025% | 200 | 0.30 | For Digital Interface |
| BLM21RK601SN1B | 60025% | 200 | 0.30 | For Digital Interface |
| BLM21RK102SN1D | 100025% | 200 | 0.50 | For Digital Interface |
| BLM21RK102SN1B | 100025% | 200 | 0.50 | For Digital Interface |
| BLM21BB050SN1D | 525% | 1000 | 0.02 | For high speed signal line |
| BLM21BB050SN1B | 525% | 1000 | 0.02 | For high speed signal line |
| BLM21BB600SN1D | 6025% | 800 | 0.13 | |
| BLM21BB600SN1B | 6025% | 800 | 0.13 | |
| BLM21BB750SN1D | 7525% | 700 | 0.16 | |
| BLM21BB750SN1B | 7525% | 700 | 0.16 | |
| BLM21BB121SN1D | 12025% | 600 | 0.19 | |
| BLM21BB121SN1B | 12025% | 600 | 0.19 | |
| BLM21BD121SN1D | 12025% | 350 | 0.25 | |
| BLM21BD121SN1B | 12025% | 350 | 0.25 | |
| BLM21BB151SZ1D | 15025% | 600 | 0.21 | |
| BLM21BB151SZ1B | 15025% | 600 | 0.21 | |
| BLM21BD151SN1D | 15025% | 350 | 0.25 | |
| BLM21BD151SN1B | 15025% | 350 | 0.25 | |
| BLM21BB201SN1D | 20025% | 500 | 0.26 | |
| BLM21BB201SN1B | 20025% | 500 | 0.26 | |
| BLM21BB221SN1D | 22025% | 500 | 0.26 | |
| BLM21BB221SN1B | 22025% | 500 | 0.26 | |
| BLM21BD221SN1D | 22025% | 350 | 0.25 | |
| BLM21BD221SN1B | 22025% | 350 | 0.25 | |
| BLM21BB331SN1D | 33025% | 400 | 0.33 | |
| BLM21BB331SN1B | 33025% | 400 | 0.33 | |
| BLM21BD331SN1D | 33025% | 300 | 0.3 | |
| BLM21BD331SN1B | 33025% | 300 | 0.3 | |
| BLM21BD421SN1D | 42025% | 300 | 0.3 | |
| BLM21BD421SN1B | 42025% | 300 | 0.3 | |
| BLM21BB471SN1D | 47025% | 400 | 0.40 | |
| BLM21BB471SN1B | 47025% | 400 | 0.40 | |
| BLM21BD471SN1D | 47025% | 300 | 0.35 | |
| BLM21BD471SN1B | 47025% | 300 | 0.35 | |
| BLM21BD601SN1D | 60025% | 300 | 0.35 | |
| BLM21BD601SN1B | 60025% | 300 | 0.35 | |
| BLM21BD751SN1D | 75025% | 250 | 0.4 | |
| BLM21BD751SN1B | 75025% | 250 | 0.4 | |
| BLM21BD102SN1D | 100025% | 250 | 0.4 | |
| BLM21BD102SN1B | 100025% | 250 | 0.4 | |
| BLM21BD152SN1D | 150025% | 250 | 0.45 | |
| BLM21BD152SN1B | 150025% | 250 | 0.45 | |
| BLM21BD182SN1D | 180025% | 250 | 0.5 | |
| BLM21BD182SN1B | 180025% | 250 | 0.5 | |
| BLM21BD222SN1L | 1600 min. | 250 | 0.6 | |
| BLM21BD222SN1B | 1600 min. | 250 | 0.6 | |
| BLM21BD222TN1D | 220025% | 200 | 0.6 | |
| BLM21BD222TN1B | 220025% | 200 | 0.6 | |
| BLM21BD272SN1L | 270025% | 200 | 0.8 | |
| BLM21BD272SN1B | 270025% | 200 | 0.8 | |
| BLM21AG121SN1D | 12025% | 1000 | 0.09 | For general use |
| BLM21AG121SN1B | 12025% | 1000 | 0.09 | For general use |
| BLM21AG151SN1D | 15025% | 1000 | 0.09 | For general use |
| BLM21AG151SN1B | 15025% | 1000 | 0.09 | For general use |
| BLM21AG221SN1D | 22025% | 900 | 0.12 | For general use |
| BLM21AG221SN1B | 22025% | 900 | 0.12 | For general use |
| BLM21AG331SN1D | 33025% | 800 | 0.15 | For general use |
| BLM21AG331SN1B | 33025% | 800 | 0.15 | For general use |
| BLM21AG471SN1D | 47025% | 700 | 0.18 | For general use |
| BLM21AG471SN1B | 47025% | 700 | 0.18 | For general use |
| BLM21AG601SN1D | 60025% | 700 | 0.2 | For general use |
| BLM21AG601SN1B | 60025% | 700 | 0.2 | For general use |
| BLM21AG102SN1D | 100025% | 600 | 0.27 | For general use |
| BLM21AG102SN1B | 100025% | 600 | 0.27 | For general use |
2304140030_muRata-BLM21PG220SN1D_C88993.pdf
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