BLM21BB121SN1D Murata, BLM21BB121SN1D Datasheet - Page 17
![EMI/RFI Suppressors & Ferrites 0805 120 OHM](/photos/16/33/163388/lpmuratablm_sml.jpg)
BLM21BB121SN1D
Manufacturer Part Number
BLM21BB121SN1D
Description
EMI/RFI Suppressors & Ferrites 0805 120 OHM
Manufacturer
Murata
Series
BLM Br
Specifications of BLM21BB121SN1D
Shielding
Unshielded
Test Frequency
100 MHz
Product
Chip Ferrite Beads
Impedance
120 Ohms
Tolerance
25 %
Maximum Dc Current
200 mAmps
Maximum Dc Resistance
0.25 Ohms
Operating Temperature Range
- 55 C to + 125 C
Package / Case
0805 (2012 metric)
Termination Style
SMD/SMT
Dc Resistance Max
0.25ohm
Dc Current Rating
200mA
Ferrite Mounting
SMD
Ferrite Case Style
0805
Inductor Case Style
0805
No. Of Pins
2
Core Material
Ferrite
Rohs Compliant
Yes
Operating Temperature Min
-55°C
Resistance
0.25ohm
Operating Temperature Max
+125°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BLM21BB121SN1D
Manufacturer:
MURATA
Quantity:
240 000
Part Number:
BLM21BB121SN1D
Manufacturer:
MURATA/村田
Quantity:
20 000
- Current page: 17 of 209
- Download datasheet (9Mb)
!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
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