BLM21BB471SN1D Murata, BLM21BB471SN1D Datasheet - Page 192

• Manufacturer Part Number: BLM21BB471SN1D
• Description: EMI/RFI Suppressors & Ferrites 0805 470 OHM
• Manufacturer: Murata
• Series: BLM Br

Specifications of BLM21BB471SN1D

• Shielding: Unshielded
• Test Frequency: 100 MHz
• Product: Chip Ferrite Beads
• Impedance: 470 Ohms
• Tolerance: 25 %
• Maximum Dc Current: 200 mAmps
• Maximum Dc Resistance: 0.45 Ohms
• Operating Temperature Range: - 55 C to + 125 C
• Package / Case: 0805 (2012 metric)
• Termination Style: SMD/SMT
• Dc Resistance Max: 0.45ohm
• 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: 0.45ohm
• Operating Temperature Max: +125°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Suppression of Ripple Noise of DC Side in the Switching Power Supply
Example of Impulse Noise Suppression
Suppression
!Note
190
When BNX002-01
Effect
When BNX002
• 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.
EMI
Without Filter
Without Filter
Type of Filter
Type of Filter
is used
is used
BNX Series
+5.0V
50 s/div
0.2V/div
+5.0V
50 s/div
0.2V/div
EMI Suppression Effect / Description
EMI Suppression Effect
Test Circuit
Switching Power Supply
There is high frequency noise
of 0.5V maximum.
BNX002-01 can suppress most of noise.
Impulse Noise
2000V/50ns
Y-axis: 500V/div
X-axis: 10ns/sec
Y-axis: 500V/div
X-axis: 10ns/sec
BNX002-01
+5V
CG
Mar.28,2011
C31E.pdf