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Categories: general confidential
Specifications for Wire Wound Molded SMD Power Inductors
Page 1 of 13
S P E C I F I C AT I O N S
Customer
Product Name
Sunlord Part Number
Customer Part Number
[
New Released,
Revised]
SPEC No.: MWSA02190000
Wire Wound Molded SMD Power Inductors
MWSA-S Series
【
This SPEC is total 13 pages including specifications and appendix.
】
【
ROHS Compliant Parts
】
Approved By
Checked By
Issued By
Shenzhen Sunlord Electronics Co., Ltd.
Address: Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China
518110
Tel: 0086-755-29832660
Fax: 0086-755-82269029
E-Mail: sunlord@sunlordinc.com
【For
Customer approval Only】
Qualification Status:
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Approved By
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Date:
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Categories: general confidential
Specifications for Wire Wound Molded SMD Power Inductors
Page 2 of 13
【Version
change history】
Rev.
01
Effective Date
/
Changed Contents
New release
Change Reasons
/
Approved By
Simei Yu
Caution：
All products listed in this specification are developed, designed and intended for use in general electronics equipment. The products are not
designed or warranted to meet the requirements of the applications listed below, whose performance and/or quality require especially high
reliability, or whose failure, malfunction or trouble might directly cause damage to society, person, or property. Please understand that we are
not responsible for any damage or liability caused by use of the products in any of the applications below. Please contact us for more details if
you intend to use our products in the following applications.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Aircraft equipment
Aerospace equipment
Undersea equipment
nuclear control equipment
military equipment
Power plant equipment
Medical equipment
Transportation equipment (automobiles, trains, ships,etc.)
Traffic signal equipment
10. Disaster prevention / crime prevention equipment
11. Data-processing equipment
12. Applications of similar complexity or with reliability requirements comparable to the applications listed in the above
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1.
Scope
Categories: general confidential
Specifications for Wire Wound Molded SMD Power Inductors
Page 3 of 13
This specification applies to MWSA-S series of wire wound molded SMD power Inductors
2.
Product Description and Identification (Part Number)
1)
2)
Description
Wire Wound Molded SMD Type Power Inductor, MWSAXXXX, XX
μH±
X% @XXX KHz/XXXV, XXXmΩ, XXXm A.
Product Identification (Part Number)
MWSA
①
①
XXXXX
②
Type
Wire wound molded SMD power
Inductors
-XXX
③
□
④
T
⑤
②
External Dimensions (mm)
0412S~1206S
MWSA
③
Example
1R0
100
101
Nominal Inductance
Nominal Value
1.0μH
10μH
100μH
④
M
Inductance Tolerance
±20%
⑤
T
Packing
Tape Carrier Package
3.
Electrical Characteristics
Please refer to
Appendix A.
1)
2)
Operating temperature range (Including self-heating): -55
℃
~+125℃.
Storage temperature and humidity range (product with tapping ): -10
℃
~+40
℃
, RH 70% Max.
Dimensions and recommended PCB pattern for reflow soldering: See
Fig.4-1
and
Table 4-1.
4.
Shape and Dimensions
1)
Unit: mm
Series
MWSA0412S
MWSA0402S
MWSA0518S
MWSA0503S
MWSA0618S
MWSA0624S
MWSA0603S
MWSA0604S
MWSA0605S
MWSA1004S
MWSA1204S
MWSA1205S
MWSA1206S
A
4.2±0.25
4.2±0.25
5.2±0.2
5.2±0.2
6.6±0.2
6.6±0.2
6.6±0.2
6.6±0.2
6.6±0.2
10.0±0.3
12.8±0.5
12.6±0.3
12.6±0.3
B
4.4±0.35
4.4±0.35
5.4±0.35
5.4±0.35
7.0±0.3
7.0±0.3
7.0±0.3
7.0±0.3
7.0±0.3
11.5Max
13.45±0.35
13.45±0.35
13.45±0.35
C
1.0±0.2
1.8±0.2
1.6±0.2
2.8±0.2
1.6±0.2
2.2±0.2
2.8±0.2
3.8±0.2
4.8±0.2
3.8±0.2
4.0Max.
4.8±0.2
5.8±0.2
D
0.8±0.3
0.8±0.3
1.20±0.2
1.20±0.2
1.60±0.3
1.60±0.3
1.60±0.3
1.60±0.3
1.60±0.3
2.0±0.5
2.0±0.5
2.0±0.5
2.0±0.5
E
2.0±0.3
2.0±0.3
2.2±0.3
2.2±0.3
3.0±0.3
3.0±0.3
3.0±0.3
3.0±0.3
3.0±0.3
3.0±0.5
See Remarks
See Remarks
I Typ.
1.5
1.5
1.9
1.9
2.35
2.35
2.35
2.35
2.35
4.1
3.25
3.25
3.25
J Typ.
2.2
2.2
2.2
2.2
3.7
3.7
3.7
3.7
3.7
5.4
8.0
8.0
8.0
H Typ.
2.5
2.5
2.5
2.5
3.5
3.5
3.5
3.5
3.5
4.1
5.5
5.5
5.5
5.0±0.3
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Remarks:
Categories: general confidential
Specifications for Wire Wound Molded SMD Power Inductors
Page 4 of 13
Series
MWSA1204S
E(mm)
3.85±0.5
5.0±0.3
3.85±0.5
5.0±0.3
Dimensions
R22/R47
R68/R82/1R0/1R5/2R2/3R3/4R7/6R8/100/150/220
R22/R36/R50/R68/R82/1R0/1R5/2R2
3R3/4R7/6R8/100/150/220/330/470
MWSA1205S
Structure and Components: See
Table 4-2
Table 4-2
Symbol
a
b
c
d
Components
Marking
Core
Wire
Terminal
Ink(black)
Alloy Sponge Powder
Polyurethane copper wire
Copper plated with Sn
Material
5.
Test and Measurement Procedures
5.1 Test Conditions
5.1.1 Unless otherwise specified, the standard atmospheric conditions for measurement/test as:
a.
b.
c.
a.
b.
c.
a.
Ambient Temperature: 20±15℃
Relative Humidity: 65±20%
Air Pressure: 86 KPa to 106 KPa
Ambient Temperature: 20±2℃
Relative Humidity: 65±5%
Air Pressure: 86KPa to 106 KPa
Inspection Equipment: 10 X magnifier
5.1.2 If any doubt on the results, measurements/tests should be made within the following limits:
5.2 Visual Examination
5.3 Electrical Test
5.3.1 DC Resistance (DCR)
a.
b.
a.
b.
a.
b.
c.
Refer to
Appendix A.
Test equipment (Analyzer): HIOKI3540 or equivalent.
Refer to
Appendix A.
Test equipment: Wayne kerr3260+3265B or equivalent.
Refer to
Appendix A.
Test equipment: Wayne kerr3260+3265B, Agilent E3633A, R2M-2H3 or equivalent.
Definition of Rated Current (Ir): With the condition of the DC current pass, the inductance decrease approximate 30% of
the standard value, compare to the temperature rise approximate 40
℃
, the smaller is Rated Current.(reference
environment temperature:20
℃
)
5.4 Reliability Test
5.3.2 Inductance (L)
5.3.3 Rated Current
Mechanical Reliability
Item
Specification and Requirement
The surface of terminal immersed shall be
Solderability
minimum of 95% covered with a new coating of
solder
Solder heat proof:
1.
2.
1.
Preheating: 160 ± 10
℃
Retention time: 245 ± 5
℃
for 2 ± 0.5 seconds
Vibration frequency:
(10 Hz to 55 Hz to 10Hz) in 60 seconds as a period
Vibration
Inductance
change:
Within
±
10%
Without
2.
Vibration time:
Period cycled for 2 hours in each of 3 mutual perpendicular
directions.
3.
Amplitude: 1.5 mm max.
Test Method
mechanical damage such as break
Sunlord
Shock
Categories: general confidential
Specifications for Wire Wound Molded SMD Power Inductors
1.
Peak value: 100 G
Duration of pulse: 11ms
Page 5 of 13
Inductance
change:
Within
±
10%
Without
2.
3.
mechanical damage such as break
3 times in each positive and negative direction of 3 mutual
perpendicular directions
Endurance Reliability
Item
Specification and Requirement
1.
Test Method
Repeat 100 cycles as follow:
(-55 ± 2
℃;
30 ± 3 min)
Inductance change: Within ± 10% Without distinct
damage in appearance
2.
→(Room
temp., 5 min)
→
(+125 ± 2
℃,
30 ± 3 min)
→
(Room temp., 5 min)
Recovery: 48 + 4 / -0 hours of recovery under the standard
condition after the test.
High Temperature
Resistance
Inductance change: Within ± 10% Without distinct
damage in appearance
1.
Environment condition: 85 ± 2
℃
Applied Current: Rated current
2.
1.
Humidity
Resistance
Inductance change: Within ±10% Without distinct
damage in appearance
2.
Low Temperature
Store
High Temperature
Store
6.
Inductance change: Within ± 10% Without distinct
damage in appearance
Inductance change: Within ± 10% Without distinct
damage in appearance
Duration: 1000 + 4 / -0 hours
Environment condition: 60 ± 2
℃
Humidity: 90–95%
Applied Current: Rated current
Duration: 1000 + 4 / -0 hours
Store temperature:
-55 ± 2
℃,1000
+ 4 / -0 hours
Store temperature:
+125 ± 2
℃,1000
+ 4 / -0 hours
Thermal Shock
Packaging, Storage and Transportation
6.1 Tape Carrier Packaging:
Packaging code: T
(1) Tape carrier packaging are specified in attached figure
Fig.6.1-1~2
(2) Tape carrier packaging quantity:
Type
MWSA0412S
MWSA0402S
MWSA0518S
MWSA0503S
MWSA0618S
MWSA0624S
MWSA0603S
a. Taping Drawings (Unit: mm)
Standard Quantity
(pcs/reel)
3000
3000
2000
2000
1500
1500
1500
Type
MWSA0604S
MWSA0605S
MWSA1004S
MWSA1204S
MWSA1205S
MWSA1206S
-
Standard Quantity
(pcs/reel)
1000
1000
500
500
500
500
-
Fig.6.1-1
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