SPECIFICATION FOR APPROVAL
REF : 20090505-B
PROD.
NAME
ABC'S DWG NO.
PAGE: 1
SR0302□□□□L□-□□□
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅰ﹒CONFIGURATION
& DIMENSIONS：
A
A :
B :
C :
D :
G :
H :
I :
3.0±0.3
2.8±0.3
2.5±0.3
0.9 typ.
0.8 ref.
3.0 ref.
1.4 ref.
m/m
m/m
m/m
m/m
m/m
m/m
m/m
100
D
C
B
I
G
I
( PCB Pattern )
Ⅱ﹒SCHEMATIC
DIAGRAM：
a
H
b
Ⅲ﹒MATERIALS：
a﹒Core：Ferrite DR core
b﹒Wire
：Enamelled
copper wire (class H)
c﹒Terminal： Ag/Ni/Sn
d﹒Remark：Products comply with RoHS'
requirements
c
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
℃
230
℃
Ⅳ﹒GENERAL
SPECIFICATION：
a﹒Temp. rise
：40℃
max.
b﹒Rated current：Base on temp. rise
&
△
L / L0A=10% typ.
c﹒Storage temp.：-40℃ ----+125℃
d﹒Operating temp.：-40℃----+125℃
e﹒Resistance to solder heat：260℃.10 secs.
Temperature (
℃
)
250
50sec max.
200
150
70s ec max.
100
50
0
50
100
150
Time ( seconds )
200
250
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090505-B
PROD.
NAME
ABC'S DWG NO.
PAGE: 2
SMD POWER INDUCTOR
SR0302□□□□L□-□□□
ABC'S ITEM NO.
Ⅴ﹒ELECTRICAL
CHARACTERISTICS：
Inductance
(μH)
1.0±20%
1.2±20%
1.5±20%
1.8±20%
2.2±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±10%
Q
ref.
20
22
23
23
22
22
23
24
18
18
18
16
18
15
20
18
23
23
20
24
23
18
24
24
40
40
38
45
40
45
40
40
42
43
43
45
40
40
Test Freq.
SRF
L
(MHz)
Q
typ.
(MHz)
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
125.0
100.0
95.0
85.0
75.0
72.0
68.0
50.0
45.0
42.0
40.0
35.0
34.0
33.0
32.0
28.0
22.0
20.0
18.0
18.0
17.0
16.0
14.0
12.0
10.0
10.0
9.0
8.5
8.0
7.0
6.0
5.5
5.0
4.8
4.3
4.0
3.2
3.0
RDC
(
Ω
)
max.
0.06
0.07
0.07
0.08
0.09
0.10
0.11
0.12
0.15
0.16
0.18
0.20
0.25
0.28
0.40
0.46
0.66
0.75
0.85
1.12
1.27
1.45
1.85
2.10
2.85
3.20
4.60
5.00
5.70
8.60
10.00
10.80
14.30
16.00
18.00
22.50
26.00
30.00
Irms (A)
max.
2.100
2.000
1.900
1.800
1.650
1.500
1.400
1.300
1.200
1.100
1.000
0.900
0.800
0.750
0.650
0.580
0.520
0.480
0.420
0.380
0.360
0.340
0.300
0.280
0.260
0.220
0.200
0.185
0.170
0.150
0.130
0.120
0.105
0.095
0.085
0.080
0.070
0.060
Isat (A)
typ.
2.700
2.500
2.300
2.000
1.850
1.700
1.600
1.500
1.350
1.300
1.200
1.050
0.900
0.850
0.800
0.750
0.650
0.550
0.500
0.450
0.400
0.350
0.320
0.300
0.280
0.250
0.230
0.210
0.190
0.170
0.150
0.140
0.130
0.120
0.110
0.100
0.090
0.080
DWG No.
SR03021R0ML□ -□□□
SR03021R2ML□ -□□□
SR03021R5ML□ -□□□
SR03021R8ML□ -□□□
SR03022R2ML□ -□□□
SR03022R7ML□ -□□□
SR03023R3ML□ -□□□
SR03023R9ML□ -□□□
SR03024R7ML□ -□□□
SR03025R6ML□ -□□□
SR03026R8ML□ -□□□
SR03028R2ML□ -□□□
SR0302100ML□ -□□□
SR0302120ML□ -□□□
SR0302150ML□ -□□□
SR0302180ML□ -□□□
SR0302220ML□ -□□□
SR0302270ML□ -□□□
SR0302330KL□ -□□□
SR0302390KL□ -□□□
SR0302470KL□ -□□□
SR0302560KL□ -□□□
SR0302680KL□ -□□□
SR0302820KL□ -□□□
SR0302101KL□ -□□□
SR0302121KL□ -□□□
SR0302151KL□ -□□□
SR0302181KL□ -□□□
SR0302221KL□ -□□□
SR0302271KL□ -□□□
SR0302331KL□ -□□□
SR0302391KL□ -□□□
SR0302471KL□ -□□□
SR0302561KL□ -□□□
SR0302681KL□ -□□□
SR0302821KL□ -□□□
SR0302102KL□ -□□□
SR0302122KL□ -□□□
1).
□：Packaging
information… A：Bulk B：Taping Reel
2)."-
AR-001A
□□□
":Reference code
SPECIFICATION FOR APPROVAL
REF : 20090505-B
PROD.
NAME
PAGE: 3
SMD POWER INDUCTOR
ABC'S DWG NO.
ABC'S ITEM NO.
SR0302□□□□L□-□□□
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
2R7
2
3
5 7 10 2
2
3
5 7 10 3
2
3
5 7 104
DC Current (mA)
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090505-B
PROD.
NAME
ABC'S DWG NO.
ABC'S ITEM NO.
SR0302□□□□L□-□□□
PAGE: 4
SMD POWER INDUCTOR
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
Leadr
no component
200 m/m min.
Components
User direction of feed
Trailer
no component
400 m/m min.
( 2 ) Dimensions
Style
13 - 12
A
330
B
21±0.8
C
13±0.5
D
12
G
+0
14
N
-0
50
Unit:m/m
T
18.4
( 3 ) Q'TY & G.W. Per package
Inner : Reel
Series
SR0302
SR0302
Q'TY (pcs)
G.W. (gw)
Style
Q'TY (pcs)
Outer : Carton
G.W. (Kg)
Size (cm)
2,000
1,500
600
450
13 - 12
13 - 12
16,000
12,000
2.5
1.9
42 x 41 x 24
42 x 41 x 24
AR-001A
SPECIFICATION FOR APPROVAL
REF : 20090505-B
PROD.
NAME
ABC'S DWG NO.
PAGE: 5
SR0302□□□□L□-□□□
SMD POWER INDUCTOR
ABC'S ITEM NO.
Ⅷ﹒DWGING
NUMBER EXPRESSION：
S
R
0
3
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
C
Inner package
T.B.D.
T / R ( Reel package )
T / R ( Reel package )
Inner package Q'TY
T.B.D.
2000
1500
pcs
pcs
Remark
AR-001A
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
