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SHIELDED SMT POWER INDUCTORSNR-TYPE Scope SNR2010K: 0.24uH to 22uH(0.32A 3.70A) SNR2510K: 0.24uH to 15uH(0.50A 3.60A)SNR2512K: 0.24uH to 22uH(0.45A 4.10A)SNR3012K: 0.33uH to 22uH(0.42A 3.00A)SNR3015K: 0.30uH to 47uH(0.35A 4.60A)SNR4012K: 1.00uH to 47uH(0.35A 2.80A)SNR4018K: 0.56uH to 47uH(0.57A 6.50A)SNR4030K: 0.47uH to 150uH (0.50A 7.50A)SNR5020K: 0.22uH to 68uH(0.70A 6.00A) SNR5040K: 1.00uH to 100uH(0.75A 7.35A) SNR6020K: 0.68uH to 47uH(1.00A 7.50A) SNR6028K: 1.00uH to 120uH(0.62A 6.70A) SNR6045K: 1.00uH to 330uH(0.51A 9.00A) SNR8040K: 0.56uH to 680uH(0. 50A 11.50A) Features:Realizes small size and low profile designed.It corresponds to high current.Magnetically shielded construction with magnetic ResinRoHS/HF compliant Applications: For small DC/DC converter Cellular phone, HDD, DVC, DSC, LCD display etc. This part is designed for general consuming, while it doesn't meet the automotive specstandard. Environmental Data: Operating Temperature: -40 to 125 (Including coils self-temperature rise) Storage Temperature Component: -40 to 125 .Lasting. Leaning. Leading3L Electronic Corp.Page1 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR-TYPEProduct identification:SNR(1)3015(2)K-4R7N(4)(5)(3)(1) Type: Product type(2) Dimensions:(Unit: 060456.004.5080408.004.20(3) Design Code(4) Inductance: 4R7 for 4.7uH ; 100 for 10 uH;(5) Inductance tolerance: M: 20% N: 30%.Lasting. Leaning. Leading3L Electronic Corp.Page2 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTORSNR-TYPE Shape and Dimensions: (Dimensions are in mm)Fig1Fig2Fig3Fig4ITEMShapeABCDEFSNR2010KFig12.00 -0.201.60 -0.201.00 MAX1.200.600.80SNR2510KFig12.50 -0.202.00 -0.201.05 MAX1.500.800.80SNR2512KFig12.50 -0.202.30 MAX1.20 MAX1.500.800.80SNR3012KFig23.00 -0.203.00 -0.201.20 MAX2.500.751.50SNR3015KFig23.00 -0.203.00 -0.201.50 MAX2.500.751.50SNR4012KFig44.00 -0.204.00 -0.201.20 MAX3.300.952.10SNR4018KFig34.00 -0.204.00 -0.201.85 MAX3.300.952.10SNR4030KFig34.00 -0.304.00 -0.303.00 MAX3.300.952.10SNR5020KFig35.00 -0.205.00 -0.202.20 MAX4.001.252.50SNR5040KFig35.00 -0.205.00 -0.204.00 MAX4.001.252.50SNR6020KFig36.00 -0.306.00 -0.302.00 MAX4.901.552.90SNR6028KFig36.00 -0.306.00 -0.302.80 MAX4.901.702.90SNR6045KFig36.00 -0.306.00 -0.304.50 MAX4.901.552.90SNR8040KFig38.00 -0.308.00 -0.304.20 MAX6.302.204.00Lasting. Leaning. Leading3L Electronic Corp.Page3 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR2010K-SeriesSNR-TYPE(Electrical specifications at 25 )Isat(A) 1Irms(A) 2InductanceTolerance(uH)( rtNo.DCR(mΩ)Test Condition1MHz/1.0V 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page4 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR2510K-SeriesSNR-TYPE(Electrical specifications at 25 )Isat(A) 1Irms(A) 2InductanceTolerance(uH)( .600.450.50PartNo.DCR(Ω)Test Condition1MHz/1.0V 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page5 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR2512K-SeriesSNR-TYPE(Electrical specifications at 25 )Isat(A) 1Irms(A) 2InductanceTolerance(uH)( PartNo.DCR(Ω)Test Condition1MHz/1.0V 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page6 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR3012K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR(mΩ)Isat(A) 1Irms(A) 2(uH)( -%) .Test Condition100KHz/0.25V 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page7 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR-TYPESNR3015K-Series (Electrical specifications at 25 )InductanceToleranceDCR(mΩ)Isat(A) 1Irms(A) 2(uH)( -%) 2000.350.32PartNo.Test Condition1MHz/0.25V100KHz/0.25V 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page8 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR4012K-SeriesPartNo.SNR-TYPE(Electrical specifications at 25 )InductanceTest(uH)ConditionDCR(Ω)Isat(A) 1Irms(A) 2MarkingMaxTypMaxTypMaxTypSNR4012K-1R0N1.0 -30%0.0550.0422.803.002.002.301R0SNR4012K-1R5N1.5 -30%0.0650.0512.202.351.802.001R5SNR4012K-2R2M2.2 -20%0.1000.0751.762.001.321.902R2SNR4012K-3R3M3.3 -20%0.1000.0751.351.651.321.903R3SNR4012K-4R7M4.7 -20%0.1630.1251.151.501.001.404R7SNR4012K-5R6M5.6 -100M10 -20%0.2340.1800.850.950.801.00100SNR4012K-150M15 -20%0.4000.3100.680.800.650.80150SNR4012K-180M18 -20%0.5500.4300.600.750.550.80180SNR4012K-220M22 -20%0.6900.5300.500.700.490.75220SNR4012K-330M33 -20%1.0000.7800.500.600.420.52330SNR4012K-470M47 -20%1.4301.1000.350.450.370.50470 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page9 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR4018K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR(mΩ)Isat 1Irms 2Test(uH)( -%)( 47.0208500.570.50470 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page10 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR4030K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( R4030K-151M1502023500.500.35151 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page11 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR5020K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( PartNo.100KHz/0.25VMarking3R9 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end application.Lasting. Leaning. Leading3L Electronic Corp.Page12 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR5040K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( 4000.900.80680SNR5040K-101M100205600.750.70101 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end applicationLasting. Leaning. Leading3L Electronic Corp.Page13 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR6020K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( 0.80470PartNo.100KHz/0.25VMarking5R6 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end applicationLasting. Leaning. Leading3L Electronic Corp.Page14 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR6028K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( rtNo.100KHz/0.25VMarking150 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end applicationLasting. Leaning. Leading3L Electronic Corp.Page15 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR6045K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( 00KHz/0.25VLasting. Leaning. Leading3L Electronic Corp.Page16 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER 5K-331M3302014100.510.48331 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end applicationLasting. Leaning. Leading3L Electronic Corp.Page17 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR8040K-SeriesSNR-TYPE(Electrical specifications at 25 )InductanceToleranceDCR (mΩ)Isat 1Irms 2Test(uH)( -%)( 7500.500.45680 1: Isat: The current when the inductance becomes 35% lower than its initial value (Ta 25 ). 2: Irms: The current when temperature of coil increase up to max. T 40 (Ta 25 ).Test Equipment:L: measured on Agilent 4284A LCR meter or equivalentDCR: measured on Chroma 16502 micro-OHM meter or equivalentIsat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent.Notice:The part temperature (ambient temp. rise) should not exceed 125 under worst case operating conditions.Circuit design, component placement, PCB trace size and thickness, airflow and other cooling provisions all affectthe part temperature. Part temperature should be verified in the end applicationLasting. Leaning. Leading3L Electronic Corp.Page18 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTORSNR-TYPE Recommended Reflow Soldering Conditions: (SMT-TYP)ADD:The recommended reflow conditions as above graph, is set according to our solderingequipment due to various manufactures may have different reflow soldering equipment, products,process conditions, set methods . And so on, when setting the reflow conditions, Please adjustand confirm according to users’ environment/equipment.Notice:a)Solder reflow temperature: 250 Max. for 10 seconds Maxb)To solder inductors by soldering iron is not recommended.c)Please contact us for detailsLasting. Leaning. Leading3L Electronic Corp.Page19 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR-TYPETape and Reel Specifications: (Dimensions are in mm)Part 500SNR8040KFig413’1000Taping Specification: EIA -481 CompliantLasting. Leaning. Leading3L Electronic Corp.Page20 of 21Web : http://www.3lcoil.com

SHIELDED SMT POWER INDUCTOR SNR-TYPEPackage Specifications:Fgi1Fig2Inside BoxLabel informationP/N NO.ITEM NO.LOT NO.QTY: PCSOutside CartonN.W. KGSG.W. KGS Storage Conditions:a) Temperature and humidity conditions: 35 and 35-65%.b) Recommendation: inductors should be used within 6 months from the time or deliveryc) Packaging material should be kept away from where chlorine or sulfur exists. The Outside Carton and Inside Box Package quantity:Part No.ShapeInside Box(Pcs)Outside Fgi2450018000SNR8040Fgi2300012000Lasting. Leaning. Leading3L Electronic Corp.Page21 of 21Web : http://www.3lcoil.com

L: measured on Agilent 4284A LCR meter or equivalent DCR: measured on Chroma 16502 micro-OHM meter or equivalent Isat&Irms: measured on Agilent 4284A LCR meter with 42841A Current Source or equivalent. Notice: The part temperature (ambient temp. rise) shou