Coilmaster Electronics Co., Ltd.
3F No.211, Huan Bei Rd. Chung Li City, Taoyuan 320, Taiwan
Tel : +886-3-422-8279
Fax : +886-3-452-5688
E-mail :info@coilmaster.com.tw
Web Site : www.coilmaster.com.tw
SQH8040S SERIES ~ SEMI SMD Power Inductors
PART NUMBERING SYSTEM
SQH
8040S
TYPE
DIMENSIONS
-
470M
INDUCTANCE
SHAPES AND DIMENSIONS
-
LF
LEAD FREE
UNIT:mm
A=8.2 Max. B=8.2 Max. C=4.0 Ref. E=1.35±0.2
0R9~6R8 Type D=4.2 Max.
100~101 Type D=4.0 Max.
RECOMMENDED PATTERNS
UNIT:mm
G= 3.10 H= 5.70 I = 1.60
FEATURES
* Low profile and small inductors ( 6.2mm Max. square and 4.0mm Max. height )
* Magnetically shielded construction and high current
* Ideal for DC‐DC converter choke coil for portable equipments ( DVDs , DSC , Cellular , PDAs )
* RoHS compliant option with lead free
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Coilmaster Electronics Co., Ltd.
3F No.211, Huan Bei Rd. Chung Li City, Taoyuan 320, Taiwan
Tel : +886-3-422-8279
Fax : +886-3-452-5688
E-mail :info@coilmaster.com.tw
Web Site : www.coilmaster.com.tw
SQH8040S SERIES ~ SEMI SMD Power Inductors
SPECIFICATION TABLE
PART NUMBER
INDUCTANCE
(μH)
DCR (mΩ)
(Typ.)
DCR (mΩ)
(Max.)
Isat (A)
(Max.)
Irms (mA)
(Max.)
SQH8040S‐0R5N‐LF
0.5±30%
6.00
7.80
11.0
8.00
SQH8040S‐0R9N‐LF
0.9±30%
7.00
9.10
10.0
7.90
SQH8040S‐1R4N‐LF
1.4±30%
9.00
11.7
8.60
SQH8040S‐2R0N‐LF
2.0±30%
12.0
15.6
7.00
6.80
SQH8040S‐2R2N‐LF
2.2±30%
12.0
15.6
6.80
6.40
SQH8040S‐3R3N‐LF
3.3±30%
15.0
19.5
6.40
5.80
SQH8040S‐3R6N‐LF
3.6±30%
15.0
19.5
6.00
5.40
SQH8040S‐3R9N‐LF
3.9±30%
15.0
19.5
5.60
5.00
SQH8040S‐4R7N‐LF
4.7±30%
20.0
26.0
5.40
4.50
SQH8040S‐6R8N‐LF
6.8±30%
25.0
32.5
4.40
4.00
SQH8040S‐8R6N‐LF
8.6±30%
30.0
39.0
4.20
3.50
SQH8040S‐100M‐LF
10±20%
31.0
40.3
3.80
3.30
SQH8040S‐150M‐LF
15±20%
50.0
65.0
3.00
2.70
SQH8040S‐220M‐LF
22±20%
66.0
85.8
2.40
2.20
SQH8040S‐330M‐LF
33±20%
110
143
2.00
2.00
SQH8040S‐470M‐LF
47±20%
150
195
1.60
1.60
SQH8040S‐680M‐LF
68±20%
200
260
1.30
1.30
SQH8040S‐101M‐LF
100±20%
310
403
1.00
1.00
SQH8040S‐121M‐LF
120±20%
350
455
0.95
0.90
SQH8040S‐221M‐LF
●
●
●
●
7.50
630
819
0.75
0.75
220±20%
Test Frequency at 100KHz / 1V in HP4285A precision LCR Meter .
Isat : DC current at which the inductance drops 30%(typ) from its value without current.
Irms : The temperature rise current value is the DC current value having temperature increase up 40°C temperature
rise from 25°C ambient.
Operating temperature range ‐40℃ to +105℃ , Electrical specifications at 25℃ .
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