Product Overview
The MURATA MFG.CO., LTD. Chip Ferrite Bead BLM21N1 series is designed for noise suppression in electronic circuits. These components are suitable for various applications including DC power lines, digital interfaces, high-speed signal lines, and general use, offering effective impedance at 100MHz.
Product Attributes
- Brand: MURATA MFG.CO., LTD.
- Origin: Japan (implied by manufacturer)
- Material: Ferrite
- Certifications: Not specified in the provided text.
Technical Specifications
| MURATA Part Number | Customer Part Number | Impedance () (at 100MHz) | Rated Current (mA) | DC Resistance () max. | Remark |
| BLM21PG220SN1D | BLM21PG220SN1D | 2225% | 6000 | 0.009 | For DC power line |
| BLM21PG220SN1B | BLM21PG220SN1B | 2225% | 6000 | 0.009 | For DC power line |
| BLM21PG300SN1D | BLM21PG300SN1D | 30 min. | 4000 | 0.014 | |
| BLM21PG300SN1B | BLM21PG300SN1B | 30 min. | 4000 | 0.014 | |
| BLM21PG600SN1D | BLM21PG600SN1D | 6025% | 3500 | 0.02 | |
| BLM21PG600SN1B | BLM21PG600SN1B | 6025% | 3500 | 0.02 | |
| BLM21PG121SN1D | BLM21PG121SN1D | 12025% | 3000 | 0.03 | |
| BLM21PG121SN1B | BLM21PG121SN1B | 12025% | 3000 | 0.03 | |
| BLM21PG221SN1D | BLM21PG221SN1D | 22025% | 2000 | 0.045 | |
| BLM21PG221SN1B | BLM21PG221SN1B | 22025% | 2000 | 0.045 | |
| BLM21PG331SN1D | BLM21PG331SN1D | 33025% | 1500 | 0.07 | |
| BLM21PG331SN1B | BLM21PG331SN1B | 33025% | 1500 | 0.07 | |
| BLM21SN300SN1D | BLM21SN300SN1D | 3010 | 8500 | 0.004 | |
| BLM21SN300SN1B | BLM21SN300SN1B | 3010 | 8500 | 0.004 | |
| BLM21SP700SN1D | BLM21SP700SN1D | 7025% | 6000 | 0.009 | |
| BLM21SP700SN1B | BLM21SP700SN1B | 7025% | 6000 | 0.009 | |
| BLM21SP111SN1D | BLM21SP111SN1D | 11025% | 5000 | 0.013 | |
| BLM21SP111SN1B | BLM21SP111SN1B | 11025% | 5000 | 0.013 | |
| BLM21SP181SN1D | BLM21SP181SN1D | 18025% | 4000 | 0.020 | |
| BLM21SP181SN1B | BLM21SP181SN1B | 18025% | 4000 | 0.020 | |
| BLM21RK121SN1D | BLM21RK121SN1D | 12025% | 200 | 0.15 | For Digital Interface |
| BLM21RK121SN1B | BLM21RK121SN1B | 12025% | 200 | 0.15 | For Digital Interface |
| BLM21RK221SN1D | BLM21RK221SN1D | 22025% | 200 | 0.20 | For Digital Interface |
| BLM21RK221SN1B | BLM21RK221SN1B | 22025% | 200 | 0.20 | For Digital Interface |
| BLM21RK471SN1D | BLM21RK471SN1D | 47025% | 200 | 0.25 | For Digital Interface |
| BLM21RK471SN1B | BLM21RK471SN1B | 47025% | 200 | 0.25 | For Digital Interface |
| BLM21RK601SN1D | BLM21RK601SN1D | 60025% | 200 | 0.30 | For Digital Interface |
| BLM21RK601SN1B | BLM21RK601SN1B | 60025% | 200 | 0.30 | For Digital Interface |
| BLM21RK102SN1D | BLM21RK102SN1D | 100025% | 200 | 0.50 | For Digital Interface |
| BLM21RK102SN1B | BLM21RK102SN1B | 100025% | 200 | 0.50 | For Digital Interface |
| BLM21BB050SN1D | BLM21BB050SN1D | 525% | 1000 | 0.02 | For high speed signal line |
| BLM21BB050SN1B | BLM21BB050SN1B | 525% | 1000 | 0.02 | For high speed signal line |
| BLM21BB600SN1D | BLM21BB600SN1D | 6025% | 800 | 0.13 | |
| BLM21BB600SN1B | BLM21BB600SN1B | 6025% | 800 | 0.13 | |
| BLM21BB750SN1D | BLM21BB750SN1D | 7525% | 700 | 0.16 | |
| BLM21BB750SN1B | BLM21BB750SN1B | 7525% | 700 | 0.16 | |
| BLM21BB121SN1D | BLM21BB121SN1D | 12025% | 600 | 0.19 | |
| BLM21BB121SN1B | BLM21BB121SN1B | 12025% | 600 | 0.19 | |
| BLM21BD121SN1D | BLM21BD121SN1D | 12025% | 350 | 0.25 | |
| BLM21BD121SN1B | BLM21BD121SN1B | 12025% | 350 | 0.25 | |
| BLM21BB151SZ1D | BLM21BB151SZ1D | 15025% | 600 | 0.21 | |
| BLM21BB151SZ1B | BLM21BB151SZ1B | 15025% | 600 | 0.21 | |
| BLM21BD151SN1D | BLM21BD151SN1D | 15025% | 350 | 0.25 | |
| BLM21BD151SN1B | BLM21BD151SN1B | 15025% | 350 | 0.25 | |
| BLM21BB201SN1D | BLM21BB201SN1D | 20025% | 500 | 0.26 | |
| BLM21BB201SN1B | BLM21BB201SN1B | 20025% | 500 | 0.26 | |
| BLM21BB221SN1D | BLM21BB221SN1D | 22025% | 500 | 0.26 | |
| BLM21BB221SN1B | BLM21BB221SN1B | 22025% | 500 | 0.26 | |
| BLM21BD221SN1D | BLM21BD221SN1D | 22025% | 350 | 0.25 | |
| BLM21BD221SN1B | BLM21BD221SN1B | 22025% | 350 | 0.25 | |
| BLM21BB331SN1D | BLM21BB331SN1D | 33025% | 400 | 0.33 | |
| BLM21BB331SN1B | BLM21BB331SN1B | 33025% | 400 | 0.33 | |
| BLM21BD331SN1D | BLM21BD331SN1D | 33025% | 300 | 0.3 | |
| BLM21BD331SN1B | BLM21BD331SN1B | 33025% | 300 | 0.3 | |
| BLM21BD421SN1D | BLM21BD421SN1D | 42025% | 300 | 0.3 | |
| BLM21BD421SN1B | BLM21BD421SN1B | 42025% | 300 | 0.3 | |
| BLM21BB471SN1D | BLM21BB471SN1D | 47025% | 400 | 0.40 | |
| BLM21BB471SN1B | BLM21BB471SN1B | 47025% | 400 | 0.40 | |
| BLM21BD471SN1D | BLM21BD471SN1D | 47025% | 300 | 0.35 | |
| BLM21BD471SN1B | BLM21BD471SN1B | 47025% | 300 | 0.35 | |
| BLM21BD601SN1D | BLM21BD601SN1D | 60025% | 300 | 0.35 | |
| BLM21BD601SN1B | BLM21BD601SN1B | 60025% | 300 | 0.35 | |
| BLM21BD751SN1D | BLM21BD751SN1D | 75025% | 250 | 0.4 | |
| BLM21BD751SN1B | BLM21BD751SN1B | 75025% | 250 | 0.4 | |
| BLM21BD102SN1D | BLM21BD102SN1D | 100025% | 250 | 0.4 | |
| BLM21BD102SN1B | BLM21BD102SN1B | 100025% | 250 | 0.4 | |
| BLM21BD152SN1D | BLM21BD152SN1D | 150025% | 250 | 0.45 | |
| BLM21BD152SN1B | BLM21BD152SN1B | 150025% | 250 | 0.45 | |
| BLM21BD182SN1D | BLM21BD182SN1D | 180025% | 250 | 0.5 | |
| BLM21BD182SN1B | BLM21BD182SN1B | 180025% | 250 | 0.5 | |
| BLM21BD222SN1L | BLM21BD222SN1L | 1600 min. | 250 | 0.6 | |
| BLM21BD222SN1B | BLM21BD222SN1B | 1600 min. | 250 | 0.6 | |
| BLM21BD222TN1D | BLM21BD222TN1D | 220025% | 200 | 0.6 | |
| BLM21BD222TN1B | BLM21BD222TN1B | 220025% | 200 | 0.6 | |
| BLM21BD272SN1L | BLM21BD272SN1L | 270025% | 200 | 0.8 | |
| BLM21BD272SN1B | BLM21BD272SN1B | 270025% | 200 | 0.8 | |
| BLM21AG121SN1D | BLM21AG121SN1D | 12025% | 1000 | 0.09 | For general use |
| BLM21AG121SN1B | BLM21AG121SN1B | 12025% | 1000 | 0.09 | For general use |
| BLM21AG151SN1D | BLM21AG151SN1D | 15025% | 1000 | 0.09 | For general use |
| BLM21AG151SN1B | BLM21AG151SN1B | 15025% | 1000 | 0.09 | For general use |
| BLM21AG221SN1D | BLM21AG221SN1D | 22025% | 900 | 0.12 | For general use |
| BLM21AG221SN1B | BLM21AG221SN1B | 22025% | 900 | 0.12 | For general use |
| BLM21AG331SN1D | BLM21AG331SN1D | 33025% | 800 | 0.15 | For general use |
| BLM21AG331SN1B | BLM21AG331SN1B | 33025% | 800 | 0.15 | For general use |
| BLM21AG471SN1D | BLM21AG471SN1D | 47025% | 700 | 0.18 | For general use |
| BLM21AG471SN1B | BLM21AG471SN1B | 47025% | 700 | 0.18 | For general use |
| BLM21AG601SN1D | BLM21AG601SN1D | 60025% | 700 | 0.2 | For general use |
| BLM21AG601SN1B | BLM21AG601SN1B | 60025% | 700 | 0.2 | For general use |
| BLM21AG102SN1D | BLM21AG102SN1D | 100025% | 600 | 0.27 | For general use |
| BLM21AG102SN1B | BLM21AG102SN1B | 100025% | 600 | 0.27 | For general use |
2304140030_muRata-BLM21PG221SN1D_C85840.pdf
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