DELTA SIG4018L-4R7

DOCUMENT
: SIG4018L-XXX
REVISION
: A4
PAGE
: 1 OF 11
SPECIFICATION FOR APPROVAL
SIG4018L-XXX Sealed Choke Coil
1. Features
Low profile：3.8mm x 3.8mm x 1.8mm
Low coil resistance with large currents.
High magnetic shield construction should actualize high resolution for EMC protection.
100% lead (Pb) free meet RoHS standard
2. Application
Cellular phones, LCD displays, HDDs, DVCs, DSCs, PDAs etc..
3. Type Designation
SIG
4018
(1)
(2)
Where
L
(3)
-
XXX
(4)
(1) Series No :
(2) Size :
4018 = 3.8mm x 3.8mm x 1.8mm
(3) Model characteristic :
L: Low Resistance , H: High Current
(4) Inductance Value :
4R7 = 4.7µH
4. Outline Dimensions
W
Code
L
W
T
P
L
P
P
Dimensions (mm)
3.8 ± 0.2*
3.8 ± 0.2*
1.8 max. *
1.0 ± 0.2
* Dimensions are of the case not including the
termination. For maximum overall dimensions
including the termination, add 0.1mm.
T
Note：This graph is only regard to dimensions spec. For outer appearance, please refer to actual product.
DOCUMENT
: SIG4018L-XXX
REVISION
: A4
PAGE
: 2 OF 11
SPECIFICATION FOR APPROVAL
5. Recommend Land Pattern Dimensions
The customer shall determine the land dimensions shown above after confirming and safety.
B
A
C
A
3.8
B
1.8
C
3.8
Unit : mm
6. Specifications
Part Number
SIG4018L-R56
SIG4018L-1R0
SIG4018L-1R2
SIG4018L-1R5
SIG4018L-1R8
SIG4018L-2R2
SIG4018L-3R3
SIG4018L-4R7
SIG4018L-6R8
SIG4018L-8R2
SIG4018L-100
SIG4018L-150
SIG4018L-220
SIG4018L-330
SIG4018L-470
SIG4018L-680
SIG4018L-101
SIG4018L-221
SIG4018L-331
L0
Inductance
( µH )
@ (0A)
Typical
Maximum
Typical
Maximum
Typical
Maximum
0.56
1.0
1.2
1.5
1.8
2.2
3.3
4.7
6.8
8.2
10.0
15.0
22.0
33.0
47.0
68.0
100.0
220.0
330.0
17
20
25
33
34
35
45
70
90
105
135
185
250
405
495
885
1,545
3,150
4,200
22
25
30
40
41
45
56
90
115
132
170
222
315
486
594
1,062
1,854
3,780
5,040
5.4
3.8
3.6
3.2
3.1
3.0
2.7
2.2
1.9
1.5
1.4
1.25
1.2
0.9
0.8
0.58
0.42
0.30
0.27
4.86
3.42
3.24
2.88
2.79
2.70
2.43
1.98
1.71
1.35
1.26
1.12
1.08
0.81
0.72
0.52
0.37
0.27
0.24
5.5
3.8
3.6
3.5
3.1
3.0
2.4
2.0
1.7
1.6
1.55
1.0
0.83
0.68
0.56
0.48
0.45
0.33
0.25
4.95
3.42
3.24
3.15
2.79
2.70
2.16
1.80
1.53
1.44
1.40
0.90
0.74
0.61
0.50
0.43
0.40
0.30
0.22
Rdc ( mΩ)
Heat Rating Current DC
Amps. Idc ( A )
Saturation Current
DC Amps. Isat ( A )
* ：If you require another part number please contact with us.
**：Inductance Tolerance ± 20%
Note 1.： All test data is referenced to 25℃ ambient.
Note 2.： Idc : DC current (A) that will cause an approximate △T of 40℃
Note 3.： Isat : DC current (A) that will cause Lo to drop approximately 30%
Note 4.： Operating Temperature Range -55℃ to + 125℃
Note 5.： The part temperature (ambient + temp rise ) should not exceed 125℃ under worse case operating
conditions. Circuit design , component placement, PWB trace size and thickness, airflow and other
cooling provision all affect the part temperature. Part temperature should be verified in the end
application.
Note 6.： The rated current as listed is either the saturation current or the heating current depending on
which value is lower.
DOCUMENT
: SIG4018L-XXX
REVISION
: A4
PAGE
: 3 OF 11
SPECIFICATION FOR APPROVAL
6-1 Current Characteristic Current Characteristic
20
0.12
1.0
2.0
3.0
4.0
5.0
DC BIAS(Amps)
6.0
7.0
80
0.9
60
INDUCTANCE(µH)
40
0.3
20
0.0
0
INDUCTANCE(µH)
1.2
30
INDUCTANCE(µH)
INDUCTANCE(µH)
40
TEMP RISE(℃)
2.5
50
30
TEMP.RISE(℃)
20
0.7
0.0
0.9
1.2
1.5 1.8 2.1 2.4
DC BIAS(Amps)
2.7
3.0
3.3
3.6
INDUCTANCE(µH)
40
INDUCTANCE(µH)
0.4
0.8
1.2
1.6
2.0 2.4 2.8 3.2
DC BIAS(Amps)
3.6
4.0
4.4
4.8
SIG4018L-2R2
100
80
20
0
0.4
0.8
1.2
1.6 2.0 2.4 2.8
DC BIAS(Amps)
3.2
3.6
4.0
4.4
SIG4018L-4R7
5.4
TEMP RISE(℃)
INDUCTANCE(µH)
70
50
0.6
0
0.0
60
0.3
10
40
0.0
0.0
20
TEMP.RISE(℃)
0
0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2
DC BIAS(Amps)
2.8
30
INDUCTANCE(µH)
0.5
3.5
40
TEMP.RISE(℃)
1.0
10
1.4
50
INDUCTANCE(µH)
60
0.3
2.1
60
1.5
20
SIG4018L-3R3
70
2.0
0.6
4.2
SIG4018L-1R5
0.0
60
0.0
5.6
0.0
1.5
TEMP.RISE(℃)
4.8
0.3
1.8
0.9
2.4
3.2
4.0
DC BIAS(Amps)
0.6
3.0
INDUCTANCE(µH)
1.6
0.9
70
1.2
0.8
1.2
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6
DC BIAS(Amps)
SIG4018L-1R8
0
0.0
1.5
2.1
20
0.2
1.8
TEMP.RISE(℃)
40
TEMP.RISE( ℃)
0.4
100
0.6
60
INDUCTANCE(µH)
0.6
8.0
SIG4018L-1R2
1.5
80
0.8
0.0
0
0.0
1.0
TEMP RISE(℃ )
40
100
TEMP RISE(℃)
TEMP.RISE(℃)
0.24
SIG4018L-1R0
TEMP RISE(℃)
60
INDUCTANCE(µH)
0.36
INDUCTANCE(µH)
0.48
TEMP RISE(℃ )
80
TEMP RISE(℃ )
INDUCTANCE(µH)
0.60
0.00
INDUCTANCE(µH)
1.2
100
100
4.5
80
TEMP RISE(℃)
SIG4018L-R56
0.72
3.6
60
2.7
INDUCTANCE(µH)
1.8
TEMP.RISE(℃)
10
0.9
0
0.0
40
20
0
0.0
0.3
0.6
0.9
1.2 1.5 1.8 2.1
DC BIAS(Amps)
2.4
2.7
3.0
3.3
DOCUMENT
: SIG4018L-XXX
REVISION
: A4
PAGE
: 4 OF 11
SPECIFICATION FOR APPROVAL
40
1.4
20
0.0
0
6.4
4.8
3.2
30
1.6
15
0.0
8.0
100
18.0
80
15.0
60
INDUCTANCE(µH)
6.0
40
TEMP.RISE(℃)
4.0
20
2.0
0.0
INDUCTANCE(µH)
INDUCTANCE(µH)
10.0
0
SIG4018L-220
0.0
INDUCTANCE(µH)
15
4.5
0.2
0.4
0.6
0.8
1.0
DC BIAS(Amps)
1.2
1.4
15
3.0
0
0.2
0.4
0.6
0.8
1.0
1.2
DC BIAS(Amps)
1.4
1.6
1.8
2.0
SIG4018L-330
75
35.0
60
28.0
45
21.0
INDUCTANCE(µH)
14.0
TEMP.RISE(℃)
30
15
7.0
0
0.0
1.6
SIG4018L-470
54.0
30
TEMP.RISE(℃)
6.0
0.0
0
0.0
0.1
0.2
0.3
0.4
0.5 0.6 0.7 0.8
DC BIAS(Amps)
0.9
1.0
1.1
1.2
70
SIG4018L-680
100
70
45.0
80
36.0
60
27.0
INDUCTANCE(µH)
18.0
40
TEMP.RISE(℃)
9.0
20
0.0
0
0.0
0.1
0.2
0.3
0.4 0.5 0.6 0.7
DC BIAS(Amps)
0.8
0.9
1.0
1.1
INDUCTANCE(µH)
INDUCTANCE(µH)
TEMP RISE(℃)
30
TEMP.RISE(℃)
TEMP RISE(℃)
INDUCTANCE(µH)
45
INDUCTANCE(µH)
9.0
45
INDUCTANCE(µH)
9.0
42.0
60
13.5
60
0.0
18.0
75
0.0
75
22.5
SIG4018L-150
12.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
DC BIAS(Amps)
27.0
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
DC BIAS(Amps)
TEMP RISE(℃)
SIG4018L-100
45
TEMP.RISE(℃)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8
DC BIAS(Amps)
12.0
60
INDUCTANCE(µH)
TEMP RISE(℃)
2.8
75
TEMP RISE(℃)
TEMP.RISE(℃)
90
TEMP RISE(℃)
60
INDUCTANCE(µH)
4.2
80
8.0
SIG4018L-8R2
60
50
56
INDUCTANCE(µH)
42
40
TEMP.RISE(℃)
30
28
20
14
10
0
0
0.0
0.1
0.2
0.3
0.4
0.5
DC BIAS(Amps)
0.6
0.7
0.8
TEMP RISE(℃)
5.6
9.6
INDUCTANCE(µH)
INDUCTANCE(µH)
7.0
100
TEMP RISE(℃)
SIG4018L-6R8
8.4
DOCUMENT
: SIG4018L-XXX
REVISION
: A4
PAGE
: 5 OF 11
SPECIFICATION FOR APPROVAL
40
TEMP.RISE(℃)
20
20.0
0.0
0.20
0.30
0.40
DC BIAS(Amps)
0.60
80
280.0
60
210.0
INDUCTANCE(µH)
140.0
TEMP.RISE(℃)
40
20
70.0
0.0
0
0.05
0.10
0.15
0.20
0.25
DC BIAS(Amps)
0.30
0.35
0.40
60
INDUCTANCE(µH)
135.0
TEMP.RISE(℃)
40
90.0
0.00
100
350.0
80
180.0
20
0.0
0.70
SIG4018L-331
420.0
INDUCTANCE(µH)
0.50
100
45.0
0
0.10
SIG4018L-221
0
0.05
0.10
0.15
0.20 0.25 0.30
DC BIAS(Amps)
0.35
0.40
0.45
TEMP RISE(℃)
60
40.0
0.00
225.0
INDUCTANCE(µH)
60.0
0.00
80
INDUCTANCE(µH)
80.0
270.0
TEMP RISE(℃)
INDUCTANCE(µH)
100.0
100
TEMP RISE(℃)
SIG4018L-101
120.0

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