BLM21BD272SH1L Murata, BLM21BD272SH1L Datasheet - Page 85

• Manufacturer Part Number: BLM21BD272SH1L
• Description: EMI/RFI Suppressors & Ferrites 0805 2.7Kohms HiSpd Signal Line Tape
• Manufacturer: Murata
• Series: BLM Br

Specifications of BLM21BD272SH1L

• Shielding: Unshielded
• Test Frequency: 100 MHz
• Product: Chip Ferrite Beads
• Impedance: 2.7 KOhms
• Tolerance: 25 %
• Maximum Dc Current: 200 mAmps
• Maximum Dc Resistance: 0.8 Ohms
• Operating Temperature Range: - 55 C to + 125 C
• Package / Case: 0805 (2012 metric)
• Termination Style: SMD/SMT
• Dc Resistance Max: 0.8ohm
• Dc Current Rating: 200mA
• Ferrite Mounting: SMD
• Ferrite Case Style: 0805 / 2012
• Operating Temperature Max: +125°C
• Operating Temperature Min: -55°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
!Note
2. Measurement Point and Noise Detection
3. Limits of CISPR 22/EN55022
(1) CISPR 22 recommends measurement at 10m distance.
CISPR 22/
EN55022
VCCI
FCC Part 15
V
Regulation
Continued from the preceding page.
However, other distance is acceptable if the limitation is
converted according to the following calculation.
Limitation shown left is converted to limitation for 3m
distance.
• 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 approve our product specifications or transact the approval sheet for product specifications before ordering.
Limitation for
10m Distance
R
r
R
10
10
10
( V/m)
=20 log r
(dB
Radiated Interference
Main Interference Voltage
Radiated Interference
Main Interference Voltage
Radiated Interference
Main Interference Voltage
Measuring Item
V/m)
R
3
Short Repetition Period
10
=R
Conversion
r
3
10
= 10 r
+20 (1-log3)
3
10
Polarization and Measuring Point
Horizontal Pol. Vertical Pol.
AC Main Ports
Horizontal Pol. Vertical Pol.
AC Main Ports
Horizontal Pol. Vertical Pol.
AC Main Ports
Limitation for
3m Distance
R
r
R
3
3
3
( V/m)
=20 log r
(dB
Peak Detection
Quasi-Peak Detection
Average Detection
V/m)
3
PeakUQuasi-PeakUAverage
Outlines of Major Noise Regulation Standards
t
(Qp)
30M to 1GHz
150k to 30MHz
30M to 1GHz
150k to 30MHz
30M to 40GHz
150k to 30MHz
Frequency (Hz)
V
Main Terminal Interference Voltage (Power Supply)
Radiated Interference
On the border frequency, lower limit should be applied.
Class A Equipment: The equipment which is used in light
Class B Equipment: The equipment which is used in
90
70
50
30
90
70
50
30
10M
10k
Quasi-Peak Detection
Quasi-Peak Detection Mean Detection
Quasi-Peak Detection
Quasi-Peak Detection Mean Detection
Quasi-Peak Detection Mean Detection
Quasi-Peak Detection
50
40
30M
79
66
56
100k 150k 500k 1M
Long Repetition Period
Detection
Class A
Class B
industrial commercial areas.
residential areas.
Frequency (Hz)
Frequency (Hz)
56
46
100M
Class A Quasi-peak value
Class A Mean value
Class B Quasi-peak value
Class B Mean value
Continued on the following page.
230M
5M 10M 30M 100M
Antenna
Artificial Main Network
Dipole Antenna
Artificial Main Network
Antenna
Artificial Main Network
Measuring Devices
Peak Detection
Quasi-Peak Detection
Average Detection
57
47
73
60
50
1G
t
C50E.pdf
83
08.8.28