Sunlord Categories: general confidential Specifications for Wire Wound Molded SMD Power Inductors Page 3 of 28
1. Scope
This specification applies to MWSA series of wire wound molded SMD power Inductors
2. Product Description and Identification (Part Number)
1) Description
Wire Wound Molded SMD Type Power Inductor, MWSAXXXX, XX μH± X% @XXX KHz/XXXV, XXXmΩ, XXXm A.
2) Product Identification (Part Number)
MWSA XXXX -XXX □ T
① ② ③ ④ ⑤
3. Electrical Characteristics
Please refer to Appendix A.
1) Operating temperature range (Including self-heating): -55℃~+125℃.
2) Storage temperature and humidity range (product with tapping ): -10℃~+40℃, RH 70% Max.
4. Shape and Dimensions
1) Dimensions and recommended PCB pattern for reflow soldering: See Fig.4-1 and Table 4-1.
Series A B C D E I typ. J typ. H typ.
MWSA0412 4.2±0.25 4.4±0.35 1.0±0.2 0.8±0.3 2.0±0.3 1.5. 2.2 2.5
MWSA0402 4.2±0.25 4.4±0.35 1.8±0.2 0.8±0.3 2.0±0.3 1.5. 2.2 2.5
MWSA0518 5.2±0.2 5.4±0.3 1.6±0.2 1.20±0.2 2.2±0.3 1.9 2.2 2.5
MWSA0503 5.2±0.2 5.4±0.3 2.8±0.2 1.20±0.2 2.2±0.3 1.9. 2.2 2.5
MWSA0618 6.6±0.2 7.0±0.3 1.6±0.2 1.60±0.3 3.0±0.3 2.35 3.7 3.5
MWSA0624 6.6±0.2 7.0±0.3 2.2±0.2 1.60±0.3 3.0±0.3 2.35 3.7 3.5
MWSA0603 6.6±0.2 7.0±0.3 2.8±0.2 1.60±0.3 3.0±0.3 2.35 3.7 3.5
MWSA1004 10.0±0.3 11.5Max 3.8±0.2 2.0±0.5 3.0±0.5 4.1 5.4 4.1
MWSA1205 12.6±0.3 13.45±0.35 4.8±0.2 2.0±0.5 See Remarks 3.25 8.0 5.0
Remarks：
① Type
MWSA
Wire wound molded SMD power
Inductors
② External Dimensions (mm)
0412~1205
③ Nominal Inductance
Example Nominal Value
1R0 1.0μH
100 10μH
101 100μH
④ Inductance Tolerance
M ±20%
⑤ Packing
T Tape Carrier Package
Code
Dimensions
R36/R50/R68
1R0/1R5/2R2
3R3/100/150
220/330/470
E 3.85±0.5 5.0±0.5
Unit: mm
Sunlord Categories: general confidential Specifications for Wire Wound Molded SMD Power Inductors Page 8 of 28
9. Solder Volume
Solder shall be used not to exceed as shown below. Exceeding solder volume may cause the failure of mechanical or electrical performance.
10. Supplier Information
a) Supplier:
Shenzhen Sunlord Electronics Co., Ltd.
b) Manufacturer:
Shenzhen Sunlord Electronics Co., Ltd.
c) Manufacturing Address:
Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China
Zip: 518110
Appendix A: Electrical Characteristics
MWSA0412 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0412-R15MT 0.15 100k, 1.0V 9.0 15.0 7.5
MWSA0412-R22MT 0.22 100k, 1.0V 11.0 11.0 7.0
MWSA0412-R33MT 0.33 100k, 1.0V 19 8.4 6.5
MWSA0412-R47MT 0.47 100k, 1.0V 21 6.8 6.0
MWSA0412-R68MT 0.68 100k, 1.0V 36 6.0 4.7
MWSA0412-1R0MT 1.0 100k, 1.0V 47 5.5 4.5
MWSA0412-1R5MT 1.5 100k, 1.0V 75 4.0 3.25
MWSA0412-2R2MT 2.2 100k, 1.0V 83.5 3.0 2.75
MWSA0412-4R7MT 4.7 100k, 1.0V 195 2.2 1.8
MWSA0402 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0402-R10MT 0.10 100k, 1.0V 4.0 22.0 13.0
MWSA0402-R22MT 0.22 100k, 1.0V 6.6 12.5 9.5
MWSA0402-R33MT 0.33 100k, 1.0V 11.0 12.0 10.0
MWSA0402-R47MT 0.47 100k, 1.0V 14 9.5 7.5
MWSA0402-R56MT 0.56 100k, 1.0V 16 9.0 7.0
MWSA0402-R68MT 0.68 100k, 1.0V 18 8.0 7.0
MWSA0402-1R0MT 1.0 100k, 1.0V 27 7.0 6.0
MWSA0402-1R2MT 1.2 100k, 1.0V 27 6.5 6.0
MWSA0402-1R5MT 1.5 100k, 1.0V 46 5.5 5.0
MWSA0402-2R2MT 2.2 100k, 1.0V 58 5.0 4.5
MWSA0402-3R3MT 3.3 100k, 1.0V 87 3.5 3.3
MWSA0402-4R7MT 4.7 100k, 1.0V 105 3.0 2.8
MWSA0402-6R8MT 6.8 100k, 1.0V 175 2.5 2.4
MWSA0402-100MT 10.0 100k, 1.0V 282 2.0 1.6
MWSA0402-220MT 22.0 100k, 1.0V 363 1.4 1.2
MWSA0518 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0518-R47MT 0.47 100k, 1.0V 9 12.0 10.5
MWSA0518-R56MT 0.56 100k, 1.0V 10 11 9.5
MWSA0518-1R0MT 1.0 100k, 1.0V 17 9.0 8.0
MWSA0518-1R5MT 1.5 100k, 1.0V 26 8 7.5
0 ≤L≤T
(T: height of electrode)
Sunlord Categories: general confidential Specifications for Wire Wound Molded SMD Power Inductors Page 9 of 28
MWSA0518-2R2MT 2.2 100k, 1.0V 35 6.0 5.0
MWSA0518-3R3MT 3.3 100k, 1.0V 58 4.8 4.5
MWSA0518-4R7MT 4.7 100k, 1.0V 85 4.0 3.5
MWSA0518-6R8MT 6.8 100k, 1.0V 120 3.4 2.8
MWSA0518-100MT 10.0 100k, 1.0V 155 2.5 2.5
MWSA0503 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0503-R10MT 0.1 100k, 1.0V 3.0 30 25
MWSA0503-R20MT 0.2 100k, 1.0V 3.9 20 14
MWSA0503-R33MT 0.33 100k, 1.0V 5.5 18 14
MWSA0503-R47MT 0.47 100k, 1.0V 8.5 15 11
MWSA0503-R68MT 0.68 100k, 1.0V 12.0 11.5 9.0
MWSA0503-1R0MT 1.0 100k, 1.0V 14 10 8.5
MWSA0503-1R2MT 1.2 100k, 1.0V 16 9.5 8.5
MWSA0503-1R5MT 1.5 100k, 1.0V 25 9 8.2
MWSA0503-2R2MT 2.2 100k, 1.0V 29 7.0 7.0
MWSA0503-3R3MT 3.3 100k, 1.0V 38 6.0 5.5
MWSA0503-4R7MT 4.7 100k, 1.0V 60 4.6 4.5
MWSA0503-6R8MT 6.8 100k, 1.0V 90 3.6 3.5
MWSA0503-100MT 10.0 100k, 1.0V 125 3.5 3.2
MWSA0618 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0618-R10MT 0.10 100k, 1.0V 2.3 38 25
MWSA0618-R22MT 0.22 100k, 1.0V 3.5 24 22
MWSA0618-R47MT 0.47 100k, 1.0V 8.4 18.0 11.5
MWSA0618-R68MT 0.68 100k, 1.0V 12 16.5 9.5
MWSA0618-1R0MT 1.0 100k, 1.0V 16 12 8.5
MWSA0618-1R5MT 1.5 100k, 1.0V 26 9.2 8
MWSA0618-2R2MT 2.2 100k, 1.0V 35 8 7
MWSA0618-3R3MT 3.3 100k, 1.0V 50 6.0 4.5
MWSA0618-4R7MT 4.7 100k, 1.0V 62 5.0 4.0
MWSA0618-6R8MT 6.8 100k, 1.0V 110 4.5 3.0
MWSA0618-100MT 10 100k, 1.0V 155 4.0 2.3
MWSA0618-220MT 22 100k, 1.0V 350 2.3 1.8
MWSA0624 TYPE
Part Number Inductance L Test Condition
Max. DC
Resistance
Typ. Saturation
Current
Typ. Heat Rating
Current
Units μH Hz, V mΩ A A
Symbol L - DCR Isat Irms
MWSA0624-R22MT 0.22 100k, 1.0V 3.0 30 21
MWSA0624-R33MT 0.33 100k, 1.0V 4.1 24.5 18
MWSA0624-R47MT 0.47 100k, 1.0V 5.1 20 15
MWSA0624-R56MT 0.56 100k, 1.0V 6.5 17 13
MWSA0624-R68MT 0.68 100k, 1.0V 7.0 16 12
MWSA0624-1R0MT 1.0 100k, 1.0V 13.5 15 9.0
MWSA0624-1R5MT 1.5 100k, 1.0V 20 13.5 8.2
MWSA0624-2R2MT 2.2 100k, 1.0V 28 10 7.0
MWSA0624-3R3MT 3.3 100k, 1.0V 39 8 5.5
MWSA0624-4R7MT 4.7 100k, 1.0V 50 6.5 5.0
MWSA0624-6R8MT 6.8 100k, 1.0V 70 6.0 4.0
MWSA0624-100MT 10.0 100k, 1.0V 101 4.0 3.1
MWSA0624-150MT 15.0 100k, 1.0V 160 3.3 2.5
