SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
Shape and size: (Dimensions are in mm)
ITEM
SNR4030
A
4.0±0.2
B
4.0±0.2
C（max）
3.0
E
1.1
F
2.5
H
3.7
I
1.2
J
2.8
Features:
．Small
and Low profile inductor.
．It
corresponds to High current.
．Magnetically
shielded construction with magnetic resin.
．Durable
structure against dropping impact.
．RoHS
compliant.
Ordering information:
SNR 4030 – 100 M
(1)
(2)
(3) (4)
(
1) Product type .
(2) Deimensions:4030 is 4.0x4.0x3.0mm (LxWxH).
(3) Inductance: 100 for 10.0 uH.
(4) Inductance tolerance: N: ± 30% ; M: ± 20%.
Inductance and rated current ranges:
．SNR4030
1.0~120uH
6.3~0.55 A
Characteristics:
．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:
L tested by Agilent 4284A Precision LCR meter.
DCR tested by Milli-ohm meter.
SRF tested by Agilent E4991A RF Impedance Analyzer.
．Electrical
specifications at 25℃
．Operating
temperature : -25
℃
to 120
℃
.
Applications:
．
Cellular phone ,LCD display etc.
．
DSC,DVC ,PDA ,Hard disk drives.
．DC
to DC converters, etc.
1.1
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
Stamp
Part
No.
L (uH)
SNR4030-1R0N
SNR4030-1R2N
SNR4030-1R5N
SNR4030-1R8N
SNR4030-2R2N
SNR4030-3R3N
SNR4030-4R7M
SNR4030-5R6M
SNR4030-6R2M
SNR4030-8R2M
SNR4030-100M
SNR4030-120M
SNR4030-180M
SNR4030-220M
SNR4030-330M
SNR4030-470M
SNR4030-560M
SNR4030-680M
SNR4030-121M
1R0
1R2
1R5
1R8
2R2
3R3
4R7
5R6
6R2
8R2
100
120
180
220
330
470
560
680
121
1.0
1.2
1.5
1.8
2.2
3.3
4.7
5.6
6.2
8.2
10.0
12.0
18.0
22.0
33.0
47.0
56.0
68.0
120.0
Inductance
Test
Freq
(0.1V)
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
100KHz
DCR
（OHM）
±30%
0.015
0.015
0.020
0.027
0.032
0.042
0.055
0.065
0.070
0.095
0.110
0.140
0.200
0.230
0.360
0.480
0.580
0.720
1.300
SRF
(MHz)
Min
85
75
70
65
50
35
30
27
25
22
20
15
13
12
9
7
6
4
3
Saturation
Rated Current
(A) Max.
7.00
6.00
5.50
4.80
4.30
3.30
2.90
2.60
2.50
2.10
1.90
1.70
1.40
1.30
1.10
0.95
0.85
0.75
0.55
Temperature
Rise Current
(A) Max.
4.10
4.10
3.30
3.20
2.95
2.50
2.00
1.95
1.85
1.55
1.50
1.30
1.10
1.00
0.82
0.69
0.62
0.55
0.42
1.2
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE
VS
. DC SUPERPOSITION CHARACTERISTICS
SNR4030-1R0N
1.2
1.0
Inductance(uH)
Inductance(uH)
SNR4030-1R2N
1.5
1.2
0.9
0.6
0.3
0.0
Inductance(uH)
SNR4030-1R5N
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0 0.7 1.4 2.1 2.8 3.5 4.2 4.9 5.6 6.3
DC current(A)
0.8
0.6
0.4
0.2
0.0
0.0
1.0
2.0
3.0 4.0 5.0
DC current(A)
6.0
7.0
8.0
0.0 0.7
1.4 2.1 2.8 3.5 4.2 4.9
DC current(A)
5.6 6.3
SNR4030-1R8N
2.0
Inductance(uH)
SNR4030-2R2N
2.4
2.0
Inductance(uH)
Inductance(uH)
SNR4030-3R3N
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6
DC current(A)
1.5
1.0
0.5
0.0
0.0 0.6 1.2 1.8 2.4 3.0 3.6 4.2 4.8 5.4
DC current(A)
1.6
1.2
0.8
0.4
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DC current(A)
SNR4030-4R7N
5
Inductance(uH)
Inductance(uH)
SNR4030-5R6N
6
Inductance(uH)
SNR4030-6R2N
7
6
5
4
3
2
1
0
4
3
2
1
0
0.0
0.4
0.8
1.2 1.6 2.0
DC current(A)
2.4
2.8
3.2
5
4
3
2
1
0
0.0
0.3 0.6
0.9 1.2 1.5 1.8
DC current(A)
2.1 2.4
2.7
0.0
0.3 0.6
0.9 1.2 1.5 1.8
DC current(A)
2.1 2.4
2.7
SNR4030-8R2N
9
8
7
6
5
4
3
2
1
0
0.0
0.3 0.6
0.9
1.2 1.5 1.8
DC current(A)
2.1 2.4
2.7
12
10
Inductance(uH)
SNR4030-100M
SNR4030-120M
14
12
Inductance(uH)
Inductance(uH)
8
6
4
2
0
0.0
0.3
0.6
0.9 1.2 1.5
DC current(A)
1.8
2.1
2.4
10
8
6
4
2
0
0.0
0.3
0.6
0.9
1.2
1.5
DC current(A)
1.8
2.1
1.3
SHIELDED SMT POWER INDUCTORS
SNR 4030 TYPE
SNR4030-180M
20
Inductance(uH)
Inductance(uH)
SNR4030-220M
25
Inductance(uH)
SNR4030-330M
35
30
25
20
15
10
5
0
15
10
5
0
0.0
0.2
0.4
0.6 0.8 1.0
DC current(A)
1.2
1.4
1.6
20
15
10
5
0
0.0
0.2
0.4
0.6 0.8 1.0
DC current(A)
1.2
1.4
1.6
0.0
0.2
0.4
0.6
0.8
1.0
1.2
DC current(A)
SNR4030-470M
60
Inductance(uH)
SNR4030-560M
80
70
60
50
40
30
20
10
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
DC current(A)
0.0
0.1
SNR4030-680M
50
Inductance(uH)
30
20
10
0
0.00
0.20
0.40 0.60 0.80
DC current(A)
1.00
1.20
40
30
20
10
0
Inductance(uH)
40
50
0.2
0.3 0.4 0.5
DC current(A)
0.6
0.7
0.8
SNR4030-121M
140
120
Inductance(uH)
100
80
60
40
20
0
0.00 0.07 0.14 0.21 0.28 0.35 0.42 0.49 0.56 0.63
DC current(A)
1.4
