SURFACE MOUNT EMI FILTERS CHIP FERRITE BEADS BLMA Series The BLMA Series ferrite beads provide outstanding electrical characteristics in packages as small as 0402. For noise applications covering a wide frequency range. FEATURES ■ Suitable for flow and reflow soldering ■ Wide temperature range ■ High Z characteristics APPLICATIONS ■ I/O ports, DC power lines, and Signal lines PART NUMBERING SYSTEM BLM CHIP FERRITE SERIES SIZE 10: 1.0 x 0.5mm 11: 1.6 x 0.8mm 21: 2.0 x 1.25mm 31: 3.2 x 1.6mm 41: 4.5 x 1.6mm 11 A STANDARD SIGNAL A: Standard 471 SG IMPEDANCE CODE at 100MHz 471: 470 ohms 121: 120 ohms 102: 1000 ohms PT CHARACTERISTICS PACKAGING CODE PB: Bulk PT: Tape 7” Reel PT1: Tape 13” Reel SPECIFICATIONS Dimensions: mm Impedance (Ohms) Typ. @ 100MHz Rated Current (mA) DCR (Ohms max.) BLM10A100S 10 500 0.05 BLM10A700S 70 Part Number 0402 0.40 200 0.5 ± 0.1 0.25 ± 0.1 1.0 ± 0.1 Operating Temperature Range 0.5 ± 0.1 BLM10A121S 120 BLM10A221SG 220 BLM10A601SG 600 0.50 100 0.70 1.10 50 BLM10A102SG 0603 0.8 ± 0.15 0.4 ± 0.2 1.6 ± 0.15 1000 1.50 BLM11A121S 120 0.2 BLM11A151SG 150 0.25 BLM11A221S 220 –55 ~ +125°C 0.3 200 BLM11A331SG 330 BLM11A471SG 470 BLM11A601S 600 BLM11A102S 1000 0.45 0.8 ± 0.15 0.5 100 0.7 Available as standard through authorized Murata Electronics Distributors. 164 CG01-I SURFACE MOUNT EMI FILTERS CHIP FERRITE BEADS BLMA Series SPECIFICATIONS Dimensions: mm Part Number 0805 Impedance (Ohms) Typ. @ 100MHz Rated Current (mA) DCR (Ohms max.) BLM21A121F 120 0.15 BLM21A151SG 150 0.15 BLM21A221SG 220 0.20 BLM21A331SG 330 BLM21A401S 400 0.85 BLM21A471SG 470 0.25 BLM21A601F 600 0.3 BLM21A601R 600 BLM21A601S 600 200 0.25 Operating Temperature Range –55 ~ +125°C 1.25 ± 0.2 0.5 ± 0.2 0.85 ± 0.2 2.0 ± 0.2 500 0.3 –55 ~ +85°C 1.1 –55 ~ +125°C 1206 BLM21A102F 1000 BLM21A102S 1000 BLM31A260S 26 BLM31A700S 70 BLM31A601S 600 BLM41A800S 80 500 0.1 BLM41A151S 150 200 0.5 0.45 0.45 500 –55 ~ +85°C 0.05 1.6 ± 0.2 0.7 ± 0.3 1.1 ± 0.2* 0.15 200 3.2 ± 0.2 *1.6 ± 0.3 on BLM31A700S 1806 200 1.6 ± 0.2 0.7 ± 0.3 0.90 –55 ~ +125°C SURFACE MOUNT EMI FILTERS 1.6 ± 0.2 4.5 ± 0.2 Available as standard through authorized Murata Electronics Distributors. CG01-I 165 SURFACE MOUNT EMI FILTERS CHIP FERRITE BEADS BLMA Series TYPICAL IMPEDANCE CHARACTERISTICS BLM10A700S BLM10A121S 200 200 20 160 160 15 10 5 0 1 10 100 120 80 40 0 1000 Impedance (Ohms) 25 Impedance (Ohms) Impedance (Ohms) BLM10A100S 1 10 Frequency (MHz) 200 100 100 750 500 250 0 1000 1 10 0 1000 320 80 40 100 150 100 50 0 1000 Impedance (Ohms) 400 80 10 100 1000 400 800 800 200 100 0 100 600 400 200 0 1000 Impedance (Ohms) 1000 Impedance (Ohms) 1000 100 1000 600 400 200 0 1 Frequency (MHz) 10 100 1000 1 10 Frequency (MHz) BLM11A102S 100 1000 Frequency (MHz) BLM21A121F 2000 200 1600 160 Impedance (Ohms) Impedance (Ohms) 10 BLM11A601S BLM11A471SG 1200 800 400 0 1 1 Frequency (MHz) 500 300 1000 160 0 1 100 240 Frequency (MHz) BLM11A331SG 10 10 BLM11A221S 200 1 1 Frequency (MHz) 250 Impedance (Ohms) Impedance (Ohms) 300 160 Frequency (MHz) Impedance (Ohms) 600 200 0 10 100 Frequency (MHz) 166 100 BLM11A151SG 120 1000 900 Frequency (MHz) BLM11A121S 100 1200 Frequency (MHz) 10 10 BLM10A102SG Impedance (Ohms) Impedance (Ohms) Impedance (Ohms) 300 1 1 Frequency (MHz) 1000 10 40 0 1000 BLM10A601SG 400 1 80 Frequency (MHz) BLM10A221SG 0 100 120 1000 120 80 40 0 1 10 100 1000 Frequency (MHz) CG01-I SURFACE MOUNT EMI FILTERS CHIP FERRITE BEADS BLMA Series TYPICAL IMPEDANCE CHARACTERISTICS BLM21A221SG BLM21A151SG 400 200 150 100 50 0 500 Impedance (Ohms) Impedance (Ohms) Impedance (Ohms) 250 BLM21A331SG 320 240 160 80 0 1 1 10 100 1000 10 100 400 300 200 100 0 1000 1 10 100 1000 Frequency (MHz) Frequency (MHz) BLM21A401S BLM21A471SG 500 1000 400 300 200 100 0 1 10 100 1000 800 600 400 200 0 1 1000 Frequency (MHz) 400 200 100 600 400 200 0 10 100 100 1 600 400 200 10 100 Frequency (MHz) 1000 1000 BLM31A700S 30 20 10 10 100 80 60 40 20 0 1000 1 10 BLM41A800S BLM41A151S 100 200 80 160 60 40 20 0 1 10 100 Frequency (MHz) 100 1000 Frequency (MHz) Impedance (Ohms) Impedance (Ohms) 800 100 Frequency (MHz) Frequency (MHz) (For low speed signal line) 10 100 01 1000 1000 1 300 1000 40 Frequency (MHz) BLM31A601S 600 0 10 Impedance (Ohms) 300 1 900 SURFACE MOUNT EMI FILTERS Impedance (Ohms) 600 1000 1200 50 900 100 BLM21A102F BLM31A260S 1200 10 Frequency (MHz) Frequency (MHz) 1500 Impedance (Ohms) 1 1500 0 1 1000 BLM21A102S Impedance (Ohms) 200 1000 800 Frequency (MHz) CG01-I 100 Impedance (Ohms) Impedance (Ohms) Impedance (Ohms) 600 0 400 0 10 1000 800 10 600 BLM21A601S 1000 1 800 Frequency (MHz) BLM21A601R 0 BLM21A601F Impedance (Ohms) Impedance (Ohms) Impedance (Ohms) Frequency (MHz) 1000 120 80 40 0 1 10 100 1000 Frequency (MHz) 167