Sunlord
Specifications subject to change without notice. Please check our website for latest information. Revised 2021/4/15.
Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China 518110 Tel: 0086-755-29832333 Fax: 0086-755-82269029 E-Mail: sunlord@sunlordinc.com
Wire Wound Molded SMD Power Inductors-WT Series
Operating Temp. : -55℃~+155℃(Including self-heating)
FEATURES
Extremely low DCR and ultra low AC losses for high switching frequencies (up to 5MHz)
Closed magnetic circuit design reduces leakage flux and Electro Magnetic Interference (EMI)
Excellent saturation characteristics
Ultra wide temperature range of application(-55~155℃）
No thermal aging issues
High reliability
APPLICATIONS
High-end phones, tablets, 5G modules
Server, base station, etc.
Various DC-DC conversion power modules
PRODUCT IDENTIFICATION
① Type
WTX
Standard
WTH /WTC
Customized
④ Nominal Inductance
Example
Nominal Value
1R0
1.0μH
4R7
4.7μH
⑤ Inductance Tolerance
N
±30%
M
±20%
② External Dimensions(L×W×H) [mm]
0415
4.0×4.0×1.5
0430
4.0×4.0×3.1
WTX
①
0430
②
T
③
1R0
④
T
⑥
M
⑤
□□□
⑦
⑥ Packing
T
Tape & Reel
③ Feature type
T
Internal code
⑦ Process code
□□□
Special Process code
* Standard product is blank
Sunlord
Specifications subject to change without notice. Please check our website for latest information. Revised 2021/4/15.
Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China 518110 Tel: 0086-755-29832333 Fax: 0086-755-82269029 E-Mail: sunlord@sunlordinc.com
SHAPE AND DIMENSIONS
Recommended Land Pattern
(Typ.)
Unit: mm
SPECIFICATIONS
WTH0415T Series
Part Number
Inductance
DC Resistance
Self-resonant
Frequency
Saturation Current
Heat Rating Current
@1MHz
Max.
Typ.
Min.
Max.
Typ.
Max.
Typ.
Units
μH
mΩ
MHz
A
A
Symbol
L
DCR
S.R.F
Isat
Irms
WTH0415TR33MTR01
0.33±20%
4.8
4.4
83
14.0
16.0
13.9
16.0
WTH0415TR47MTR01
0.47±20%
6.1
5.5
64
10.5
11.7
11.3
13.0
WTH0415TR68MTR01
0.68±20%
8.9
8.1
52
8.5
9.6
9.6
11.0
WTH0415T1R0MTR01
1.0±20%
11.9
10.8
40
7.2
8.3
8.3
9.5
WTC0420T Series
Part Number
Inductance
DC Resistance
Self-resonant
Frequency
Saturation Current
Heat Rating Current
@1MHz
Max.
Typ.
Min.
Max.
Typ.
Max.
Typ.
Units
μH
mΩ
MHz
A
A
Symbol
L
DCR
S.R.F
Isat
Irms
WTC0420TR33MTR01
0.33±20%
3.2
2.9
79
15.7
18.1
19.9
23.0
WTC0420TR47MTR01
0.47±20%
4.5
4.1
61
11.2
13.4
17.0
19.7
WTC0420TR68MTR01
0.68±20%
6.4
5.8
50
9.8
12.0
12.8
14.8
WTC0420TR82MTR01
0.82±20%
6.4
5.8
40
8.2
10.4
12.8
14.8
WTC0420T1R0MTR01
1.0±20%
8.4
7.6
39
7.6
9.0
11.7
13.5
WTC0420T1R5MTR01
1.5±20%
13.6
12.4
32
6.3
7.5
9.5
11.0
WTX0430T Series
Part Number
Inductance
DC Resistance
Self-resonant
Frequency
Saturation Current
Heat Rating Current
@1MHz
Max.
Typ.
Min.
Max.
Typ.
Max.
Typ.
Units
μH
mΩ
MHz
A
A
Symbol
L
DCR
S.R.F
Isat
Irms
WTX0430TR33MTR01
0.33±20%
2.2
2.0
76.4
18.8
21.4
19.4
22.4
WTX0430TR47MTR01
0.47±20%
3.1
2.6
62.4
15.6
17.7
17.0
19.6
WTX0430TR68MTR01
0.68±20%
3.9
3.5
50.0
14.3
16.3
14.1
16.2
WTX0430T1R0MTR01
1.0±20%
5.7
5.2
42.7
11.9
13.5
12.6
14.5
WTX0430T1R5MTR01
1.5±20%
8.6
7.8
33.7
9.6
11.0
9.8
11.3
Series
A
B
C Max.
D Typ
E
F
a Typ.
b Typ.
c Typ.
WTH0415T
4.0±0.3
4.0±0.3
1.5
3.2±0.3
0.8±0.2
1.6±0.3
0.98
1.39
3.4
WTC0420T
4.0±0.3
4.0±0.3
2.1
3.2±0.3
0.8±0.2
1.6±0.3
0.98
1.39
3.4
WTX0430T
4.0±0.3
4.0±0.3
3.1
3.2±0.3
0.8±0.2
1.6±0.3
0.98
1.39
3.4