EMI Suppression Filters (EMC and Noise Suppression)Selection Guide

Selection Guide of EMI Suppression Filters

Selection Guide of Chip Ferrite Beads / Chip EMIFIL

*Type & Features of Chip Ferrite Beads (BL□ Series) is here.

*Type & Features of Chip EMIFIL (3-terminal Capacitor, LC Filter) (NF□ Series) is here.

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Where to reduce noise
Power Line  General Signal Line Under 10MHz High-Speed Signal Line Over 10MHz
 Noise Frequency?  Noise Frequency: Under 1GHz Inductor Type (Suppression Effect: Normal)
 BLF02JD 01005(0402)
 BLM02AX 01005(0402)
 BLF03JD 0201(0603)
 BLM03AX 0201(0603)
 BLM02BX/BC/BB 01005(0402)
 BLM03B 0201(0603)
 BLM15BX 0402(1005)
 BLM15B 0402(1005)
 BLM18B 0603(1608)
 BLM21B 0805(2012)
 BLM03PG 0201(0603)
 BLM03AG 0201(0603)
 BLM15AG 0402(1005)
 BLM18A 0603(1608)
Low DC Resistance / High Current Type
 BLM02PX 01005(0402)
 BLM02KX 01005(0402)
 BLM03PX 0201(0603)
 BLM15AX 0402(1005)
 BLM15PX 0402(1005)
 BLM15P 0402(1005)
 BLM15KD 0402(1005)
 BLM18P 0603(1608)
 BLE18P 0603(1608)
 BLM21P 0805(2012)
 BLM31P 1206(3216)
 BLE32P 1210(3225)
 BLM41P 1806(4516)
 BLM18T 0603(1608)
 BLM18R 0603(1608)
 BLM21A 0805(2012)
 BLM21R 0805(2012)
Array Type
 BLA2AA 0804(2010)
 BLA31A 1206(3216)
 BLA2AB 0804(2010)
 BLA31B 1206(3216)
Low DC Resistance Type
   
 BLM18K 0603(1608)
 BLM18S 0603(1608)
 BLM21S 0805(2012)
 BLM31S 1206(3216)
 BLM31KN 1206(3216)
 BLT5BPT 2020(5050)
T Circuit Filter Feed-Through Type
LC Combined
 NFE31PT 1206(3216)
 NFE61PT 2706(6816)
 NFL18ST 0603(1608)
 NFL18SP 0603(1608)
 NFL21SP 0805(2012)
 NFW31SP 1206(3216)
Block Type
Array Type (LC Combined)
 BNX022/023/028/029
 NFA18SL/SD 0603(1608)
 NFA21SL 0805(2012)
 Noise Frequency: GHz Band (800MHz to 2.5GHz) Inductor Type (Suppression Effect: Normal)
 BLF02RD 01005(0402)
 BLM18HE 0603(1608)
 BLM03HG 0201(0603)
 BLM15HG 0402(1005)
 BLM18HG 0603(1608)
 BLM18HK 0603(1608)
 BLM03HD 0201(0603)
 BLM03HB 0201(0603)
 BLM15HD 0402(1005)
 BLM15HB 0402(1005)
 BLM18HD 0603(1608)
 BLM18HE 0603(1608)
 BLM18HB 0603(1608)
 BLM03E 0201(0603)
 BLM15E 0402(1005)
 BLM18E 0603(1608)
Capacitor Type (Suppression Effect: High)


LC Combined
 NFL18ST 0603(1608)
Array Type (LC Combined)
 NFA18SL/SD 0603(1608)
 NFA21SL 0805(2012)

Inductor Type
 BLM18DN 0603(1608)
 BLM15GG 0402(1005)
 BLM18G 0603(1608)
 BLM15GA 0402(1005)

Selection Guide of Frequency Specified Filters

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Noise Frequency to countermeasure
Size 700MHz 2.4GHz 5GHz
01005(0402)  BLF02JD  BLF02RD
 BLF02GD

0201(0603)  BLF03JD
 BLF03VK

Selection Guide of Noise Filter for Audio Line

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Where to reduce noise
Earphone Speaker
1A class 5A class
 Noise Frequency?
FM Band  NFZ15SF_10 0402(1005)
 NFZ2MSD_10 0806(2016)
Under 1GHz

 NFZ18SM_10 0603(1608)
 NFZ2MSM_10 0806(2016)
 NFZ32SW_10 1210(3225)
Over 1GHz
 NFZ03SG_10 0201(0603)
 NFZ15SG_10 0402(1005)
 NFZ15SR_10 0402(1005)
 NFZ15SG_11 0402(1005)

Selection Guide of Noise Filter for LED Line

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Where to reduce noise
Noise Filter For LED Lighting Equipment
 Noise Frequency? Under 1MHz
 NFZ2HBM_10 1008(2520)
 NFZ32BW_11 1210(3225)
 NFZ32BW_10 1210(3225)
 NFZ5BBW_10 2020(5050)

Selection Guide of Chip Common Mode Choke Coils

* Type & Features of Common Chocked Coil (DL□ / PL□ Series) is here.

* Selection Guides for High Speed Differential Signal Line is here.

* Type & Features of Lead Type EMIFIL (BL0□/BLL/DSS1/VFC/PLT09/10 Series) is here.

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DC Power Line
DC Power Line High Current Type
 DLW44S 1515(4040)
DLW5AH DLW5AH 2014(5036)
 DLW5AT 2014(5036)
 DLW5BS 2020(5050)
 DLW5BT 2020(5050)
PLT10HHPLT10HH 12.9mm×6.6mm
PLT5BPH 2020(5050)
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High-Speed Differential Signal Line
High-Speed Signal Line
USB2.0/LVDS/IEEE1394/mipi etc.
Ultra-High-Speed Differential Signal Line
HDMI/DVI/DisplayPort/USB3.0 etc.
DLM0QSN 025020(0605)
DLM0NSN 03025(0806)
DLM0NSM 03025(0806)
DLM11S 0504(1210)
DLP11SN 0504(1210)
DLP11RN 0504(1210)
DLW21H 0805(2012)
DLW21S_S 0805(2012)
DLW21S_X 0805(2012)
DLP31S DLP31S 1206(3216)
DLW31S 1206(3216)
NFG0QHB 025020(0605)
DLM0QSB 025020(0605)
DLM0NSB 03025(0806)
DLP11SA 0504(1210)
DLP11RB 0504(1210)
DLP11TB 0504(1210)
DLW21SN_HQ 0805(2012)
DLW21SR_HQ 0805(2012)
mipi c-phy (3Line) Available
 NFG0NCN162HL3 03025(0806)             
Array Type
 DLP1ND 05025(1506)
DLP2AD DLP2ADN 0804(2010)
DLP31D DLP31D 1206(3216)
 DLP2ADA 0804(2010)
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Audio Line
 DLM11G 0504(1210)
 DLW5AT 2014(5036)
 DLW5BT 2020(5050)