Datasheet

ManualsBrandsMURATA ManualsHF & EMC ComponentsSMD ferrite bead 1000 Ω (L x W x H) 2 x 1.25 x 1.25 mm 1 pc(s)

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Data Sheet

Note:

1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our

products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.

2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product

specifications or transact the approval sheet for product specifications before ordering.

o This data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design.

2006.11.2

Noise Suppression Products/EMI Suppression Filters > Chip EMIFILr Inductor Type > Chip Ferrite Beads

Chip EMIFILr Inductor Type Chip Ferrite Beads

BLM21A Series (0805 Size)

2.0±0.2

0.5±0.2

1.25±0.2

EIA CODE : 0805

(in mm)

0.85±0.2

(Resistance element becomes dominant

at high frequencies.)

For your new designs, alternative parts should be used. These parts should be used only for existing design. Please consult with us for details.

■ Dimension ■ Equivalent Circuit

■ Packaging

Code Packaging Minimum Quantity

D 180mm Paper Tape 4000

J 330mm Paper Tape 10000

B Bulk(Bag) 1000

■ Rated Value (p: packaging code)

Part Number

Impedance

(at 100MHz/20°C)

Impedance

(at 1GHz/20°C)

Rated Current DC Resistance(max.)

Operating

Temperature Range

Number of Circuits

BLM21AJ401SN1p

400ohm±25% - 200mA 0.85ohm -55°C to +125°C 1

BLM21AJ601SN1p

600ohm±25% - 200mA 1.10ohm -55°C to +125°C 1

BLM21AH102SN1p

1000ohm±25% - 200mA 0.45ohm -55°C to +85°C 1

100

200

300

400

500

1 10 100 1000

Frequency (MHz)

Impedance (ohm)

800

600

400

200

1 10 100 1000

Frequency (MHz)

Impedance (Ω)

■ Impedance-Frequency Characteristics

BLM21AJ401SN1

■ Impedance-Frequency Characteristics

BLM21AJ601SN1

Continued on the following page.

Summary of content (2 pages)

PAGE 1
Noise Suppression Products/EMI Suppression Filters > Chip EMIFILr Inductor Type > Chip Ferrite Beads Data Sheet 1 Chip EMIFILr Inductor Type Chip Ferrite Beads BLM21A Series (0805 Size) o For your new designs, alternative parts should be used. These parts should be used only for existing design. Please consult with us for details. ■ Dimension ■ Equivalent Circuit 0.85±0.2 0.5±0.2 1.25±0.2 2.0±0.2 (Resistance element becomes dominant at high frequencies.
PAGE 2
Noise Suppression Products/EMI Suppression Filters > Chip EMIFILr Inductor Type > Chip Ferrite Beads Data Sheet 2 Continued from the preceding page. ■ Impedance-Frequency Characteristics BLM21AH102SN1 1200 900 Impedance (Ω) Z R 600 X 300 0 1 10 100 1000 Frequency (MHz) ■ !Caution/Notice !Caution (Rating) Do not use products beyond the rated current and rated voltage as this may create excessive heat and deteriorate the insulation resistance.