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Noise Suppression Products/EMI Suppression Filters > EMIFIL r (Inductor type) > Chip Ferrite Bead
Continued from the preceding page.
Data Sheet
2
Part Number
BLM21BB221SN1 p
BLM21BB331SN1 p
BLM21BB471SN1 p
Impedance
(at 100MHz/20°C)
220ohm ±25%
330ohm ±25%
470ohm ±25%
Impedance
(at 1GHz/20°C)
-
-
-
Rated Current
500mA
400mA
400mA
DC Resistance
0.26ohm max.
0.33ohm max.
0.40ohm max.
Operating
Temperature Range
-55 to +125°C
-55 to +125°C
-55 to +125°C
Number of Circuits: 1
c Impedance-Frequency Characteristics (Main Items)
BLM21BD Series
3000
BLM21BD272SN1
c Impedance-Frequency Characteristics (Main Items)
BLM21BB Series
2000
2400
BLM21BD152SN1
BLM21BD102SN1
BLM21BD222SN1
BLM21BD222TN1
BLM21BD182SN1
1600
BLM21BB471SN1
1800
BLM21BD751SN1
1200
BLM21BB331SN1
BLM21BB201SN1
BLM21BD601SN1
BLM21BB221SN1
1200
BLM21BD471SN1
BLM21BD421SN1
800
BLM21BB151SN1
BLM21BB750SN1
BLM21BD331SN1
BLM21BD221SN1
BLM21BB121SN1
BLM21BB600SN1
600
0
BLM21BD151SN1
BLM21BD121SN1
400
0
BLM21BB050SN1
1
10
100
1000
3000
1
10
100
1000
3000
Frequency (MHz)
c Impedance-Frequency Characteristics
BLM21BD121SN1
300
240
Z
Frequency (MHz)
c Impedance-Frequency Characteristics
BLM21BD151SN1
360
300
240
180
R
180
Z
R
120
120
60
X
60
X
0
1
10
100
1000
3000
0
1
10
100
1000
3000
Frequency (MHz)
Frequency (MHz)
Continued on the following page.
o This data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design.
! Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s speci?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 speci?cations because there is no space for detailed speci?cations. Therefore, please approve our product
speci?cations or transact the approval sheet for product speci?cations before ordering.
2011.11.2
http://www.murata.com/
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BLM21BD331SN1D 功能描述:电磁干扰滤波珠子、扼流圈和阵列 0805 330ohms HiSpeed Signal Line Tape RoHS:否 制造商:AVX 阻抗: 最大直流电流:35 mA 最大直流电阻: 容差: 端接类型:SMD/SMT 电压额定值:25 V 工作温度范围:- 25 C to + 85 C 封装 / 箱体:0603 (1608 metric)
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BLM21BD331SN1K 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:EMIFIL (Inductor type) Chip Ferrite Bead BLM21B Series (0805 Size)
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