Datasheet

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Data Sheet

Note:

1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s speciﬁ cations 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 speciﬁ cations because there is no space for detailed speciﬁ cations. Therefore, please approve our product

speciﬁ cations or transact the approval sheet for product speciﬁ cations before ordering.

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Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive

2012.1.10

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

For Automotive

Chip Ferrite Bead for Automotive

BLM21P Series (0805 Size)

Dimensions

2.0±0.2

0.5±0.2

1.25±0.2

EIA CODE : 0805

0.85±0.2

(in mm)

: Electrode

Equivalent Circuit

(Resistance element becomes dominant

at high frequencies.)

Packaging

Code Packaging Minimum Quantity

180mm Paper Tape 4000

330mm Paper Tape 10000

Bulk(Bag) 1000

Rated Value (

: packaging code)

Part Number

Impedance

(at 100MHz/20°C)

Impedance

(at 1GHz/20°C)

Rated Current DC Resistance

Operating

Temperature Range

BLM21PG220SH1

22ohm ±25% - 6000mA 0.009ohm max. -55 to +125°C

BLM21PG300SH1

30ohm (Typ.) - 4000mA 0.014ohm max. -55 to +125°C

BLM21PG600SH1

60ohm ±25% - 3500mA 0.02ohm max. -55 to +125°C

BLM21PG121SH1

120ohm ±25% - 3000mA 0.03ohm max. -55 to +125°C

BLM21PG221SH1

220ohm ±25% - 2000mA 0.045ohm max. -55 to +125°C

BLM21PG331SH1

330ohm ±25% - 1500mA 0.07ohm max. -55 to +125°C

Number of Circuits: 1

Continued on the following page.

Summary of content (4 pages)

PAGE 1
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive Data Sheet 1 For Automotive Chip Ferrite Bead for Automotive BLM21P Series (0805 Size) c Dimensions c 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 > For Automotive > Chip Ferrite Bead for Automotive Data Sheet 2 Continued from the preceding page. c Derating of Rated Current In operating temperature exceeding +85°C, derating of current is necessary for BLM21PG series. Please apply the derating curve shown in chart according to the operating temperature.
PAGE 3
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive Data Sheet 3 Continued from the preceding page.
PAGE 4
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive Data Sheet 4 Continued from the preceding page. c !Caution/Notice !Caution (Rating) 1. Do not use products beyond the rated current as this may create excessive heat and deteriorate the insulation resistance. 2. Be sure to provide an appropriate fail-safe function on your product to prevent a second damage that may be caused by the abnormal function or the failure our product.