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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.

http://www.murata.com/

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Noise Suppression Products/EMI Suppression Filters > EMIFIL

r (Inductor type) > Chip Ferrite Bead

2011.11.2

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

EMIFIL

BLM21B Series (0805 Size)

c Dimensions

2.0±0.2

E

1.25±0.2

(in mm)

: Electrode

Part Number

T

BLM21B

(exclude items below)

0.85±0.2

BLM21BD222SN1 1.25±0.2

BLM21BD272SN1 1.25±0.2

E

0.5±0.2

0.5±0.2

0.3±0.2

c Equivalent Circuit

(Resistance element becomes dominant

at high frequencies.)

c Packaging

Code

Packaging

Minimum Quantity

D

180mm Paper Tape

4000

J

330mm Paper Tape

10000

B

Bulk(Bag)

1000

Code

BLM21BD222SN1/21BD272SN1

L

180mm Plastic Tape

3000

K

330mm Plastic Tape

10000

B

Bulk(Bag)

1000

c Rated Value (p: packaging code)

Part Number

Impedance

(at 100MHz/20°C)

Impedance

(at 1GHz/20°C)

Rated Current

DC Resistance

Operating

Temperature Range

BLM21BD121SN1

p

120ohm ±25%

-

200mA

0.25ohm max.

-55 to +125°C

BLM21BD151SN1

p

150ohm ±25%

-

200mA

0.25ohm max.

-55 to +125°C

BLM21BD221SN1

p

220ohm ±25%

-

200mA

0.25ohm max.

-55 to +125°C

BLM21BD331SN1

p

330ohm ±25%

-

200mA

0.30ohm max.

-55 to +125°C

BLM21BD421SN1

p

420ohm ±25%

-

200mA

0.30ohm max.

-55 to +125°C

BLM21BD471SN1

p

470ohm ±25%

-

200mA

0.35ohm max.

-55 to +125°C

BLM21BD601SN1

p

600ohm ±25%

-

200mA

0.35ohm max.

-55 to +125°C

BLM21BD751SN1

p

750ohm ±25%

-

200mA

0.40ohm max.

-55 to +125°C

BLM21BD102SN1

p

1000ohm ±25%

-

200mA

0.40ohm max.

-55 to +125°C

BLM21BD152SN1

p

1500ohm ±25%

-

200mA

0.45ohm max.

-55 to +125°C

BLM21BD182SN1

p

1800ohm ±25%

-

200mA

0.50ohm max.

-55 to +125°C

BLM21BD222TN1

p

2200ohm ±25%

-

200mA

0.60ohm max.

-55 to +125°C

BLM21BD222SN1

p

2250ohm (Typ.)

-

200mA

0.60ohm max.

-55 to +125°C

BLM21BD272SN1

p

2700ohm ±25%

-

200mA

0.80ohm max.

-55 to +125°C

BLM21BB050SN1

p

5ohm ±25%

-

1000mA

0.02ohm max.

-55 to +125°C

BLM21BB600SN1

p

60ohm ±25%

-

800mA

0.13ohm max.

-55 to +125°C

BLM21BB750SN1

p

75ohm ±25%

-

700mA

0.16ohm max.

-55 to +125°C

BLM21BB121SN1

p

120ohm ±25%

-

600mA

0.19ohm max.

-55 to +125°C

BLM21BB151SN1

p

150ohm ±25%

-

600mA

0.21ohm max.

-55 to +125°C

BLM21BB201SN1

p

200ohm ±25%

-

500mA

0.26ohm max.

-55 to +125°C

Number of Circuits: 1

Continued on the following page.