1.1
Shape and size: (Dimensions are in mm)
ITEM A B
C（max）
E
F
H
I J
SNR4030 4.0±0.2 4.0±0.2 3.0
1.1
2.5
3.7
1.2 2.8
Features: Ordering information:
．Small and Low profile inductor. SNR 4030 – 100 M
．It corresponds to High current. (1) (2) (3) (4)
．Magnetically shielded construction with magnetic resin. (1) Product type .
．Durable structure against dropping impact. (2) Deimensions:4030 is 4.0x4.0x3.0mm (LxWxH).
．RoHS compliant. (3) Inductance: 100 for 10.0 uH.
(4) Inductance tolerance: N: ± 30% ; M: ± 20%.
Inductance and rated current ranges: Characteristics:
．SNR4030 1.0~120uH 6.3~0.55 A ．Saturation Rated Current: The current when the inductance
becomes 30% lower than its initial value. (Ta=20 )℃
．Temperature Rise Current: The current when temperature of coil
increases up to Max. T=40 . (Ta=20 )△℃ ℃
．Test equipments: ．Operating temperature : -25 to ℃120 .℃
L tested by Agilent 4284A Precision LCR meter.
A
pplications:
DCR tested by Milli-ohm meter. ．Cellular phone ,LCD display etc.
SRF tested by Agilent E4991A RF Impedance Analyzer. ．DSC,DVC ,PDA ,Hard disk drives.
．Electrical specifications at 25℃ ．DC to DC converters, etc.
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
1.2
Stamp Inductance Test DCR SRF Saturation Temperature
Part No. Freq （OHM）
(MHz) Rated Current Rise Current
L (uH) (0.1V) ±30% Min (A) Max. (A) Max.
SNR4030-1R0N 1R0 1.0 100KHz 0.015 85 7.00 4.10
SNR4030-1R2N 1R2 1.2 100KHz 0.015 75 6.00 4.10
SNR4030-1R5N 1R5 1.5 100KHz 0.020 70 5.50 3.30
SNR4030-1R8N 1R8 1.8 100KHz 0.027 65 4.80 3.20
SNR4030-2R2N 2R2 2.2 100KHz 0.032 50 4.30 2.95
SNR4030-3R3N 3R3 3.3 100KHz 0.042 35 3.30 2.50
SNR4030-4R7M 4R7 4.7 100KHz 0.055 30 2.90 2.00
SNR4030-5R6M 5R6 5.6 100KHz 0.065 27 2.60 1.95
SNR4030-6R2M 6R2 6.2 100KHz 0.070 25 2.50 1.85
SNR4030-8R2M 8R2 8.2 100KHz 0.095 22 2.10 1.55
SNR4030-100M 100 10.0 100KHz 0.110 20 1.90 1.50
SNR4030-120M 120 12.0 100KHz 0.140 15 1.70 1.30
SNR4030-180M 180 18.0 100KHz 0.200 13 1.40 1.10
SNR4030-220M 220 22.0 100KHz 0.230 12 1.30 1.00
SNR4030-330M 330 33.0 100KHz 0.360 9 1.10 0.82
SNR4030-470M 470 47.0 100KHz 0.480 7 0.95 0.69
SNR4030-560M 560 56.0 100KHz 0.580 6 0.85 0.62
SNR4030-680M 680 68.0 100KHz 0.720 4 0.75 0.55
SNR4030-121M 121 120.0 100KHz 1.300 3 0.55 0.42
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
1.3
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE VS. DC SUPERPOSITION CHARACTERISTICS
SNR4030-1R0N
SNR4030-1R2N
SNR4030-1R5N
SNR4030-1R8N
SNR4030-2R2N
SNR4030-3R3N
SNR4030-4R7N
SNR4030-5R6N
SNR4030-6R2N
SNR4030-8R2N
0
1
2
3
4
5
6
7
8
9
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
DC current(A)
Inductance(uH)
SNR4030-100M
0
2
4
6
8
10
12
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4
DC current(A)
Inductance(uH)
SNR4030-120M
0
2
4
6
8
10
12
14
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1
DC cur r ent(A)
Inductance(uH)
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
DC current (A)
Inductance(uH)
0.0
0.3
0.6
0.9
1.2
1.5
0.0 0.7 1.4 2.1 2.8 3.5 4.2 4.9 5.6 6.3
DC current(A)
Inductance(uH)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.00.71.42.12.83.54.24.95.66.3
DC cur r ent(A)
Inductance(uH)
0.0
0.5
1.0
1.5
2.0
0.00.61.21.82.43.03.64.24.85.4
DC current (A)
Inductance(uH)
0.0
0.4
0.8
1.2
1.6
2.0
2.4
0.00.51.01.52.02.53.03.54.04.5
DC current(A)
Inductance(uH)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6
DC current(A)
Inductance(uH)
0
1
2
3
4
5
0.00.40.81.21.62.02.42.83.2
DC cur r ent(A)
Inductance(uH)
0
1
2
3
4
5
6
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
DC current(A )
Inductance(uH)
0
1
2
3
4
5
6
7
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
DC c urrent(A)
Inductance(uH)
1.4
SNR4030-180M
SNR4030-220M
SNR4030-330M
SNR4030-470M
SNR4030-560M
SNR4030-680M
SNR4030-121M
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
0
5
10
15
20
0.00.20.40.60.81.01.21.41.6
DC current(A)
Inductance(uH)
0
5
10
15
20
25
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
DC current(A)
Inductance(uH)
0
5
10
15
20
25
30
35
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC cur rent ( A)
Inductance(uH)
0
10
20
30
40
50
0.00 0.20 0.40 0.60 0.80 1.00 1.20
DC current(A)
Inductance(uH)
0
10
20
30
40
50
60
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
DC current(A)
Inductance(uH)
0
20
40
60
80
100
120
140
0.00 0.07 0.14 0.21 0.28 0.35 0.42 0.49 0.56 0.63
DC current(A)
Inductance(uH)
0
10
20
30
40
50
60
70
80
0.00.10.20.30.40.50.60.70.8
DC current(A)
Inductance(uH)
