SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 1
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0502□□□□L□-□□□
Ⅰ﹒CONFIGURATION
& DIMENSIONS：
A
A :
B :
C :
D :
G :
H :
I :
5.0±0.30
4.5±0.30
2.0±0.15
2.0 ref.
1.9 ref.
5.0 ref.
1.8 ref.
m/m
m/m
m/m
m/m
m/m
m/m
m/m
101
Marking
D
C
B
I
G
I
( PCB Pattern )
Ⅱ﹒SCHEMATIC
DIAGRAM：
a
b
Ⅲ﹒MATERIALS：
a﹒Core：Ferrite DR core
b﹒Wire
：Enamelled
copper wire (class F)
c﹒Terminal： Ag/Ni/Sn
d﹒Remark：Products comply with RoHS'
requirements
Peak Temp：260℃ max.
Max time above 230℃
：50sec
max.
Max time above 200℃
：70sec
max.
Temperature
Rising Area
+4.0
℃
/ sec max.
Preheat Area
150 ~ 200
℃
/ 60 ~ 120sec
Reflow Area
+2.0 ~ 4.0
℃
/ sec max.
Forced Cooling Area
-(1.0 ~ 5.0)
℃
/ sec max.
Peak Temperature:
260
℃
50sec max.
230
℃
c
Ⅳ﹒GENERAL
SPECIFICATION：
b﹒Rated current：Base on temp. rise
&
△
L / LOA=10% typ.
c﹒Storage temp.：-40℃ ----+125℃
d﹒Operating temp.：-40℃----+105℃
e﹒Resistance to solder heat：260℃.10 secs.
AR-001A
Temperature (
℃
)
250
200
150
70sec max.
a﹒Temp. rise
：20℃
max.
100
50
H
200
0
50
100
150
Time ( seconds )
250
SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 2
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0502□□□□L□-□□□
Ⅴ﹒ELECTRICAL
CHARACTERISTICS：
DWG No.
SR0502101ML□-□□□
SR0502121ML□-□□□
SR0502151ML□-□□□
SR0502181ML□-□□□
SR0502221ML□-□□□
SR0502271ML□-□□□
SR0502331ML□-□□□
SR0502391ML□-□□□
SR0502471ML□-□□□
SR0502561ML□-□□□
SR0502681ML□-□□□
SR0502821ML□-□□□
SR0502102ML□-□□□
SR0502122ML□-□□□
SR0502152ML□-□□□
SR0502182ML□-□□□
SR0502222ML□-□□□
SR0502272ML□-□□□
Inductance
( µH )
100.0±20%
120.0±20%
150.0±20%
180.0±20%
220.0±20%
270.0±20%
330.0±20%
390.0±20%
470.0±20%
560.0±20%
680.0±20%
820.0±20%
1000.0±20%
1200.0±20%
1500.0±20%
1800.0±20%
2200.0±20%
2700.0±20%
Q
ref.
20
27
28
25
32
30
40
40
32
45
40
35
42
44
40
40
40
40
Test Freq. ( Hz )
Q
L
796K
100K/0.1V
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
796K
100K/0.1V
252K
100K/0.1V
252K
100K/0.1V
252K
100K/0.1V
252K
100K/0.1V
252K
100K/0.1V
252K
B：Taping Reel
RDC
(
Ω
)
max.
1.5
1.7
2.2
2.5
3.2
3.9
5.0
5.4
6.5
8.8
10.5
12.0
16.0
18.5
22.0
28.5
34.5
40.0
Irms
(mA)max.
△
T=20
℃
270
252
237
220
204
190
174
156
140
125
110
97
85
76
70
65
60
53
Isat
(mA)typ.
△
L/L0A=10%
265
245
232
215
200
182
165
148
130
120
105
95
85
80
72
68
62
55
1).
□：Packaging
information… A：Bulk
2)."-
□□□
":Reference code
@ Inductance VS. DC Current curve
10 4
7
5
3
2
222
102
471
221
101
Inductance（uH）
10 3
7
5
3
2
10 2
7
5
3
2
10 1
10 0
2
3
5 7 10 1
2
3
5 7 10 2
2
3
5 7 10 3
DC Current (mA)
AR-001A
SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 3
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0502□□□□L□-□□□
Ⅵ﹒PACKAGING
INFORMATION
( 1 ) Configuration
T
Cover tape
2.0±0.5
A
B
∮
C
∮
C
N
G
D
Embossed carrier
※
Carrier tape width : D
P:8 m/m
End
4 m/m
Start
101
101
101
101
101
101
Leader
no component
160 m/m min.
Components
User direction of feed
Trailer
no component
400 m/m min.
( 2 ) Dimensions
Style
07 - 12
A
178
B
21±0.8
C
13±0.5
D
12
G
+0
14
N
-0
50
Unit:m/m
T
16.5
( 3 ) Q'TY & G.W. Per package
Inner : Reel
Series
SR0502
Q'TY (PCS)
G.W. (gw)
Style
Q'TY (pcs)
Outer : Carton
G.W. (Kg)
Size (cm)
800
416
07 - 12
32,000
16.6
42 x 41 x 24
AR-001A
SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 4
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0502□□□□L□-□□□
Ⅶ﹒DWGING
NUMBER EXPRESSION：
S
R
0
5
0
2
Reference code
Appendix code 2 : Package
Appendix code 1 : Classification
Tolerance code
Electrical code
Dimension code
Type code
Appendix code 1：Product Classification
L：Lead Free Standard products comply with RoHS' requirements
1 ~ 9：Lead Free Special products comply with RoHS' requirements
Appendix code 2：Package Information
Code
A
B
Inner package
T.B.D.
T / R ( Reel package )
800
Inner package Q'TY
T.B.D.
pcs
Remark
AR-001A
SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 5
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0502□□□□L□-□□□
Ⅷ﹒RELIABILITY
TEST：
Test item
Specification
More than 90% of the
terminal electrode
Shall be covered
With fresh solder.
Test condition
Preheat : 150±25
℃
for 60 seconds
Solder : Sn96.5 / Ag3 / Cu0.5 or equivalent
Solder temp. : 235±5℃
Flux : Rosin
Dip time : 4±1 seconds
Solderability
Thermal shock test
( Temp. cycle )
Inductance shall
not change more
than ±20%
Room temp.
15 minutes
Room temp.
15 minutes
Total : 50 cycles
-25±2
℃
30 minutes
85±2
℃
30 minutes
Humidity
Resistance test
Temperature : 40±2℃
Humidity : 90 ~ 95%
Applied current : Per spec.
Time : 500 hours
High temp.
Resistance test
Temperature : 105±2℃
Applied current : Per spec.
Time : 500 hours
AR-001A
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