BLM18EG121SN1-D Murata, BLM18EG121SN1-D Datasheet - Page 17

• Manufacturer Part Number: BLM18EG121SN1-D
• Description: CHIP FERRITE BEAD, 0603, 2A
• Manufacturer: Murata
• Series: BLM18EGr

Specifications of BLM18EG121SN1-D

• Impedance: 120ohm
• Dc Resistance Max: 0.04ohm
• Dc Current Rating: 2A
• Ferrite Mounting: SMD
• Ferrite Case Style: 0603
• No. Of Pins: 2
• Frequency Range: 100MHz To 1GHz

!Note
•
A type: Impedance curve rises from low frequency range. Suppress noise in wide frequency range.
B type: Impedance curve rises sharply. Less damage to signal waveforms.
cComparison of Impedance Curve
cComparison of Test Effect (25MHz)
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering.
Difference between BLM A type and B type (HG type vs HD/HB type)
1200
Test Circuit
900
600
300
Waveform
Spectrum
0
1
BLM18AG601SN1
74HC04
BLM18BD601SN1
Both side glass epoxy PCB( 4.7)
All of back side is GND PCB thickness=0.6mm
25MHz
OSC
BLM_B Series has less damage to high speed signal waveform.
10
Frequency (MHz)
No filter
74HC04
100
29.7cm
1cm
Ferrite Bead
Pattern width 0.15cm
Line impedance 127
1000
Waveform test point
cComparison of Resistance Element
1200
900
600
300
BLM18AG601SN1
Spectrum has been reduced from low
frequency range.
0
1
BLM18AG601SN1
74HC00
BLM18BD601SN1
10
Frequency (MHz)
100
BLM18BD601SN1 Small Distortion
Noise frequency has been reduced without
reducing signals of low frequency.
1000
BLp Series Introduction
15
Mar.28,2011
C31E.pdf