BLM21BB201SH1D Murata, BLM21BB201SH1D Datasheet - Page 92

• Manufacturer Part Number: BLM21BB201SH1D
• Description: EMI/RFI Suppressors & Ferrites 0805 200ohms HiSpeed Signal Line Tape
• Manufacturer: Murata
• Series: BLM Br

Specifications of BLM21BB201SH1D

• Shielding: Unshielded
• Test Frequency: 100 MHz
• Product: Chip Ferrite Beads
• Impedance: 200 Ohms
• Tolerance: 25 %
• Maximum Dc Current: 200 mAmps
• Maximum Dc Resistance: 0.35 Ohms
• Operating Temperature Range: - 55 C to + 125 C
• Package / Case: 0805 (2012 metric)
• Termination Style: SMD/SMT
• Dc Resistance Max: 0.35ohm
• 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
10. Expressing EMI Suppression Filter Effects
90
Principles of Noise Suppression by DC EMIFILr
EMI Suppression Filter effects are expressed in terms of
the insertion loss measured in the circuit, normally
specified in MIL-STD 220A. As shown in the 50
impedance circuit in the Figure at right, insertion loss is
represented by the logarithmic ratio of the circuit output
voltage with and without a filter in the circuit, which is
multiplied by 20 and expressed in dB.
Therefore, an insertion loss of 20dB indicates an output
voltage ratio (B/C) of 1/10, and an insertion loss of 40dB
indicates an output voltage ratio (B/C) of 1/100.
Continued from the preceding page.
• 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.
Measuring Circuit of Insertion Loss
(a)
(b)
Measuring Circuit of Insertion Loss
Insertion Loss = 20 log B (dB)
A(V)
A(V)
50
50
Suppression
Filter
EMI
C
B(V)
C(V)
50
50
C50E.pdf
08.8.28