Datasheet

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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.

2011.7.7

Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead

2.0±0.2

0.5±0.2

1.25±0.2

EIA CODE : 0805

0.85±0.2

(in mm)

: Electrode

(Resistance element becomes dominant

at high frequencies.)

EMIFILr (Inductor type) Chip Ferrite Bead

BLM21R Series (0805 Size)

■ Dimensions ■ 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

Operating

Temperature Range

BLM21RK121SN1p

120ohm ±25% - 200mA 0.15ohm max. -55 to +125°C

BLM21RK221SN1p 220ohm ±25% - 200mA 0.20ohm max. -55 to +125°C

BLM21RK471SN1p 470ohm ±25% - 200mA 0.25ohm max. -55 to +125°C

BLM21RK601SN1p 600ohm ±25% - 200mA 0.30ohm max. -55 to +125°C

BLM21RK102SN1p 1000ohm ±25% - 200mA 0.50ohm max. -55 to +125°C

Number of Circuits: 1

Continued on the following page.

PAGE 1
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead Data Sheet 1 EMIFILr (Inductor type) Chip Ferrite Bead BLM21R Series (0805 Size) ■ Dimensions ■ Equivalent Circuit 0.85±0.2 0.5±0.2 2.0±0.2 1.25±0.2 (Resistance element becomes dominant at high frequencies.
PAGE 2
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead Data Sheet 2 Continued from the preceding page.
PAGE 3
Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead Data Sheet 3 Continued from the preceding page. ■ !Caution/Notice !Caution (Rating) Do not use products beyond the rated current as this may create excessive heat and deteriorate the insulation resistance. Notice Solderability of Tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the Tin melting point is used.