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

BLM18E_SH/TH Series (0603 Size)

Dimensions

BLM18EGpppTH1

BLM18EGpppSH1

0.5±0.15

0.8±0.15

(in mm)

1.6±0.15 0.8±0.15

0.4±0.2

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

BLM18EG101TH1

100ohm ±25% 140ohm (Typ.) 2000mA 0.045ohm max. -55 to +125°C

BLM18EG121SH1

120ohm ±25% 145ohm (Typ.) 2000mA 0.04ohm max. -55 to +125°C

BLM18EG181SH1

180ohm ±25% 260ohm (Typ.) 2000mA 0.05ohm max. -55 to +125°C

BLM18EG221TH1

220ohm ±25% 300ohm (Typ.) 1000mA 0.15ohm max. -55 to +125°C

BLM18EG331TH1

330ohm ±25% 450ohm (Typ.) 500mA 0.21ohm max. -55 to +125°C

BLM18EG391TH1

390ohm ±25% 520ohm (Typ.) 500mA 0.30ohm max. -55 to +125°C

BLM18EG471SH1

470ohm ±25% 550ohm (Typ.) 500mA 0.21ohm max. -55 to +125°C

BLM18EG601SH1

600ohm ±25% 700ohm (Typ.) 500mA 0.35ohm 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 BLM18E_SH/TH Series (0603 Size) c Dimensions c Equivalent Circuit 0.8±0.15 T 1.6±0.15 0.4±0.2 (Resistance element becomes dominant at high frequencies.) T BLM18EGpppTH1 0.5±0.15 BLM18EGpppSH1 0.8±0.
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 BLM18EG 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.