N2.4
SHIELDED SMT POWER INDUCTORS
SNR 40 / 50 E TYPE
Shape and size: (Dimensions are in mm)
INDUCTORS
ITEM A (max)
B (max)
C(max)
E H I J
SNR4018E 4.0±0.2
4.0±0.2
2.0 1.2 3.7 1.2 1.6
SNR5040E 5.0±0.2
5.0±0.2
4.2 1.5 4.0 1.5 2.1
Features: Ordering information:
．Realizes small size and low profile . SNR 4018 E– 100 M
．It corresponds to High current. (1) (2) (3) (4) (5)
．Magnetically shielded construction with (1) Type: Product type.
magnetic resin. (2) Style: L=4.0mm H=1.8mm
．Durable structure against dropping impact. (3) Design Code.
．RoHS compliant. (4) Inductance: 100 for 10uH.
(5) Inductance tolerance: N: ± 30%; M: ± 20%.
Inductance and rated current ranges: Characteristics:
．SNR4018E 1.0~220uH 4.1~0.28A ．Saturation current(Isat) : The current when the inductance
．SNR5040E 1.5~47.0uH 7.1~1.20A become 30% lower than is initial value. (Ta=20℃)
．Temperature rise current (Irms) : The current when
Temperature of coil increase up to Max T=40℃
(Ta=20℃)
． Operating temperature : -25 to 125℃
Test equipment : Applications:
．Test equipments : L tested by Agilent 4284A ．For small DC/DC converter (cellular Phone, HDD,
Precision LCR meter. DVC, DSC, PDA, LCD display etc).
．DCR tested by Milli-ohm meter.
N2.5
SHIELDED SMT POWER INDUCTORS
SNR 40 / 50 E TYPE
Inductance Test DCR Saturation Temperature
Part No. Freq m OHM Rated Current Rise Current Marking
L (uH) (1V) (±30%) (A) TYP. (A) TYP.
SNR4018E-1R0N 1.0 100KHz 32 4.1 2.8 1R0
SNR4018E-2R2N 2.2 100KHz 60 2.8 2.5 2R2
SNR4018E-3R3N 3.3 100KHz 70 2.2 2.1 3R3
SNR4018E-4R7N 4.7 100KHz 90 2 1.7 4R7
SNR4018E-6R8M 6.8 100KHz 110 1.6 1.5 6R8
SNR4018E-100M 10 100KHz 170 1.4 1.2 100
SNR4018E-150M 15 100KHz 250 1 1 150
SNR4018E-220M 22 100KHz 350 0.9 0.85 220
SNR4018E-330M 33 100KHz 530 0.8 0.7 330
SNR4018E-470M 47 100KHz 720 0.7 0.56 470
SNR4018E-680M 68 100KHz 1000 0.56 0.45 680
SNR4018E-101M 100 100KHz 1500 0.46 0.38 101
SNR4018E-151M 150 100KHz 2500 0.35 0.3 151
SNR4018E-221M 220 100KHz 4000 0.28 0.23 221
SNR5040E-1R5N 1.5 100KHz 16 7.1 4.4 1R5
SNR5040E-2R2N 2.2 100KHz 21 5.7 3.7 2R2
SNR5040E-3R3N 3.3 100KHz 26 4.8 3.5 3R3
SNR5040E-4R7M 4.7 100KHz 32 4.2 3.2 4R7
SNR5040E-6R8M 6.8 100KHz 50 3.3 2.4 6R8
SNR5040E-100M 10 100KHz 60 2.8 2.2 100
SNR5040E-150M 15 100KHz 90 2.3 1.8 150
SNR5040E-220M 22 100KHz 135 1.8 1.4 220
SNR5040E-330M 33 100KHz 190 1.5 1.1 330
SNR5040E-470M 47 100KHz 310 1.2 0.9 470
