SPECIFICATION FOR APPROVAL
REF : 20090122-B
PROD.
NAME
ABC'S DWG NO.
SR0503□□□□L□-□□□
PAGE: 1
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅰ﹒CONFIGURATION
& DIMENSIONS：
A
A :
B :
C :
D :
G :
H :
I :
5.0±0.3
4.5±0.3
3.0±0.3
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
100
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 & classH)
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 ~ 120 sec
c
H
Reflow Area
Forced Cooling Area
+2.0 ~ 4.0
℃
-(1.0 ~ 5.0)
℃
/ sec max.
/ sec max.
Peak Temperature:
260
℃
50sec max.
230
℃
Ⅳ﹒GENERAL
SPECIFICATION：
Temperature (
℃
)
250
200
150
70sec max.
a﹒Temp. rise
：40℃
max.
b﹒Rated current：Base on temp. rise
&
△
L / L0A=10% max.
c﹒Storage temp.：-40℃ ----+125℃
d﹒Operating temp.：-40℃----+125℃
e﹒Resistance to solder heat：260℃.10 secs.
100
50
0
50
100
150
Time ( seconds )
200
250
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090122-B
PROD.
NAME
ABC'S DWG NO.
SR0503□□□□L□-□□□
PAGE: 2
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅴ﹒ELECTRICAL
CHARACTERISTICS：
DWG No.
SR0503R50YL□-□□□
SR05031R0ML□-□□□
SR05031R2ML□-□□□
SR05031R8ML□-□□□
SR05032R7ML□-□□□
SR05033R3ML□-□□□
SR05033R9ML□-□□□
SR05034R7ML□-□□□
SR05035R6ML□-□□□
SR05036R8ML□-□□□
SR05038R2ML□-□□□
SR0503100ML□-□□□
SR0503120ML□-□□□
SR0503150ML□-□□□
SR0503180ML□-□□□
SR0503220ML□-□□□
SR0503270ML□-□□□
SR0503330KL□-□□□
SR0503390KL□-□□□
SR0503470KL□-□□□
SR0503560KL□-□□□
SR0503680KL□-□□□
SR0503820KL□-□□□
SR0503101KL□-□□□
SR0503121KL□-□□□
SR0503151KL□-□□□
SR0503181KL□-□□□
SR0503221KL□-□□□
SR0503271KL□-□□□
SR0503331KL□-□□□
SR0503391KL□-□□□
SR0503471KL□-□□□
SR0503561KL□-□□□
SR0503681KL□-□□□
SR0503821KL□-□□□
SR0503102KL□-□□□
SR0503122JL□-□□□
SR0503152JL□-□□□
SR0503182JL□-□□□
SR0503222JL□-□□□
Inductance
(
μH
)
0.5±30%
1.0±20%
1.2±20%
1.8±20%
2.7±20%
3.3±20%
3.9±20%
4.7±20%
5.6±20%
6.8±20%
8.2±20%
10.0±20%
12.0±20%
15.0±20%
18.0±20%
22.0±20%
27.0±20%
33.0±10%
39.0±10%
47.0±10%
56.0±10%
68.0±10%
82.0±10%
100.0±10%
120.0±10%
150.0±10%
180.0±10%
220.0±10%
270.0±10%
330.0±10%
390.0±10%
470.0±10%
560.0±10%
680.0±10%
820.0±10%
1000.0±10 %
1200.0±
1500.0±
1800.0±
2200.0±
5%
5%
5%
5%
Q
ref.
28
28
28
28
28
25
25
25
25
25
20
20
20
20
20
20
20
15
15
20
20
20
15
40
40
40
40
35
35
30
30
30
30
30
40
40
40
40
40
40
Test Freq. ( Hz )
L
Q
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
7.96M
7.960M
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
2.520M
1K
1K
0.796M
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.796M
1K
0.252M
1K
1K
1K
1K
1K
0.252M
0.252M
0.252M
0.252M
SRF
( MHz )
nom
40.00
40.00
39.00
38.00
38.00
37.00
36.00
35.00
34.00
33.00
32.00
30.00
29.00
27.00
24.00
22.00
20.00
17.50
17.00
14.00
13.00
12.00
10.00
8.50
8.00
7.20
6.90
6.20
5.70
5.30
4.90
4.60
4.20
3.90
3.30
3.10
3.00
2.40
2.20
2.30
RDC
(
Ω
)
max.
0.012
0.016
0.020
0.030
0.040
0.056
0.062
0.068
0.072
0.088
0.099
0.130
0.160
0.190
0.210
0.280
0.320
0.380
0.420
0.600
0.710
0.760
0.880
1.600
1.700
2.000
2.300
2.500
2.900
3.300
3.700
4.900
5.700
7.500
10.000
11.500
12.000
13.000
15.000
22.000
IDC
(A)
max.
4.000
3.000
2.800
2.500
2.100
1.900
1.850
1.700
1.600
1.450
1.350
1.300
1.200
1.050
0.950
0.900
0.800
0.700
0.650
0.600
0.500
0.450
0.420
0.400
0.370
0.330
0.300
0.250
0.230
0.210
0.190
0.180
0.160
0.140
0.120
0.110
0.063
0.059
0.055
0.053
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090122-B
PROD.
NAME
ABC'S DWG NO.
SR0503□□□□L□-□□□
PAGE: 3
SMD POWER INDUCTOR
ABC'S ITEM NO.
DWG No.
SR0503272JL□-□□□
SR0503332JL□-□□□
SR0503392JL□-□□□
SR0503472JL□-□□□
SR0503562JL□-□□□
SR0503682JL□-□□□
SR0503822JL□-□□□
SR0503103JL□-□□□
SR0503123JL□-□□□
SR0503153JL□-□□□
Inductance
(
μH
)
2700.0±
3300.0±
3900.0±
4700.0±
5600.0±
6800.0±
8200.0±
10000.0±
12000.0±
15000.0±
5%
5%
5%
5%
5%
5%
5%
5%
5%
5%
Q
ref.
40
40
40
40
40
40
40
30
30
30
Test Freq. ( Hz )
L
Q
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
0.252M
0.252M
0.252M
0.252M
0.252M
0.252M
0.252M
79.60K
79.60K
79.60K
SRF
( MHz )
nom
2.10
1.90
1.50
1.40
1.30
1.20
1.00
0.95
0.85
0.80
RDC
(
Ω
)
max.
26.000
38.000
40.000
48.000
72.000
80.000
92.000
110.000
148.000
168.000
IDC
(A)
max.
0.050
0.045
0.042
0.040
0.038
0.034
0.030
0.027
0.025
0.020
1).
□：Packaging
information… A：Bulk
2)."-
□□□
":Reference code
B：Taping Reel
Ⅵ﹒INDUCTANCE
VS. DC CURRENT CURVE：
10 3
7
5
471
3
2
Inductance（uH）
10 2
7
5
3
2
10 1
7
5
3
2
10 0
10 1
101
330
100
2
3
5 7 10 2
2
3
5 7 10 3
2
3
5 7 10 4
DC Current (mA)
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090122-B
PROD.
NAME
ABC'S DWG NO.
SR0503□□□□L□-□□□
PAGE: 4
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅶ﹒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
100
100
100
100
100
100
Leader
no component
200 m/m min.
Components
User direction of feed
Trailer
no component
400 m/m min.
( 2 ) Dimensions
Style
07 - 12
13 - 12
A
178
330
B
21±0.8
21±0.8
C
13
13±0.5
D
12
12
G
+0
14
+0
14
N
-0
50
-0
50
Unit:m/m
T
16.5
18.4
( 3 ) Q'TY & G.W. PER PACKAGE
Inner : Reel
Series
SR0503
SR0503
AR-001A
Q'TY (pcs)
G.W. (gw)
Style
Q'TY (pcs)
Outer : Carton
G.W. (Kg)
Size (cm)
500
2000
275
1185
07 - 12
13 - 12
20,000
16,000
11.8
10.3
42 x 41 x 24
40 x 40 x 24
SPECIFICATION FOR APPROVAL
REF : 20090122-B
PROD.
NAME
ABC'S DWG NO.
SR0503□□□□L□-□□□
PAGE: 5
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅷ﹒DWGING
NUMBER EXPRESSION：
S
R
0
5
0
3
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
C
Inner package
T.B.D.
T / R ( Reel package )
T / R ( Reel package )
Inner package Q'TY
T.B.D.
500
2000
pcs
pcs
Remark
AR-001A
stm32/stm8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
