*
A E Ro H
C- S C
Q2 O
0 0 MP
QU LIA
AL NT
IF
IE
D
Features
■ Shielded construction
&
■ Inductance range: 10 to 1000 μH
■ Heating current up to 2.1 A
■ Dimensions: 7.3 x 7.3 x 4.5 mm
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
SRR0745A Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Bourns
Part Number
Inductance
@ 1 kHz / 1 V
L (μH)
Tol. (%)
DCR
(Ω)
Max.
I rms
(A)
I sat
(A)
***KFactor
SRR0745A-100M
SRR0745A-120M
SRR0745A-150M
SRR0745A-180M
SRR0745A-220M
SRR0745A-270M
SRR0745A-330M
SRR0745A-390M
SRR0745A-470M
SRR0745A-560M
SRR0745A-680M
SRR0745A-820M
SRR0745A-101M
SRR0745A-121M
SRR0745A-151M
SRR0745A-181M
SRR0745A-221M
SRR0745A-271M
SRR0745A-331M
SRR0745A-391M
SRR0745A-471M
SRR0745A-561M
SRR0745A-681M
SRR0745A-821M
SRR0745A-102M
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
0.052
0.062
0.075
0.09
0.096
0.13
0.15
0.19
0.21
0.24
0.3
0.4
0.45
0.55
0.76
0.82
0.95
1.2
1.5
1.85
2.2
2.6
2.8
3.5
4.1
2.1
2.0
1.9
1.8
1.65
1.45
1.35
1.17
1.05
0.95
0.86
0.78
0.7
0.6
0.48
0.46
0.42
0.38
0.34
0.32
0.29
0.26
0.24
0.22
0.2
2.5
2.3
2.1
1.95
1.75
1.62
1.45
1.3
1.2
1.1
0.96
0.9
0.78
0.7
0.58
0.54
0.5
0.46
0.4
0.36
0.34
0.3
0.28
0.26
0.24
112
98
88
83
72
66
59
55
50
47
41
38
34
32
29
26
23
22
20
18
16
15
13
12
11
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise
.......................40 °C typ. at rated Irms
Inductance drop ...................25 % at Isat
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging .................. 1000 pcs. per reel
Product Dimensions
7.30 ± 0.2
(.287 ± .008)
7.30 ± 0.2
(.287 ± .008)
***K-Factor: To calculate core flux density, Bp-p (gauss) = K x L(μH) x Δ I (peak-to-peak ripple current,
A), determine core loss from Core Loss vs. Flux Density plot.
TYP.
Core Loss vs. Flux Density
2.00
TYP.
(.079)
10000
1000
Core Loss (mW)
4.50 ± 0.2
(.177 ± .008)
4.60
(.181)
800 KHz
500 KHz
300 KHz
200 KHz
100
100 KHz
50 KHz
10 KHz
Recommended Layout
10
2.40
(.094)
1
1.50
(.059)
0.1
0.01
100
1000
10000
Flux Density Bp-p (gauss)
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
1.50
(.059)
4.80
(.189)
DIMENSIONS:
MM
(INCHES)
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SRR0745A Series - Shielded Power Inductors
Inductance vs. IDC
SRR0745A-470M
L @ 25 °C
60.0
SRR0745A-221M
SRR0745A-101M
L @ 125 °C
L @ 25 °C
120.0
L @ 125 °C
50.0
L (µH)
L (µH)
L (µH)
40.0
60.0
20.0
150.0
100.0
30.0
10.0
0.0
0.0
0.3
0.6
0.9
1.2
1.5
50.0
0.0
0.0
1.8
0.3
0.6
0.9
0.0
0.0
1.2
0.2
IDC (A)
IDC (A)
L @ 125 °C
200.0
90.0
30.0
L @ 25 °C
250.0
0.4
0.6
0.8
IDC (A)
Temperature Rise vs. IDC
SRR0745A-470M
ΔT @ 25 °C
80.0
80.0
ΔT @ 25 °C
ΔT @ 25 °C
60.0
50.0
60.0
40.0
ΔT (°C)
60.0
ΔT (°C)
ΔT (°C)
SRR0745A-221M
SRR0745A-101M
40.0
40.0
30.0
20.0
20.0
0.0
20.0
0.0
0.33
0.67
1.00
1.33
1.66
2.00
IDC (A)
How to Order
0.0
10.0
0.0 0.20 0.40 0.60 0.80
IDC (A)
1.00 1.20 1.40
0.0
0.0
0.20
0.40
0.60
0.80
1.00
IDC (A)
Electrical Schematic
SRR0745A - 100M
Model
Value Code (see table)
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SRR0745A Series - Shielded Power Inductors
Soldering Profile
Peak Temperature 250 max.
Max. Peak Temperature -5
30 sec. max.
Max. Time Above 217 : 60~150 sec. max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
+4.0 °C/Sec. Max.
150~200 °C / 60~120 Sec.
+3.0 °C/Sec. Max.
-(1.0~5.0) °C/Sec. Max.
Peak Temperature: 250 °C
Temperature (°C)
250
217 °C
60~150 Sec.
200
60 Sec.
Max.
150
60~120 Sec.
100
50
0
50
100
150
200
250
Time (Seconds)
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .031)
22.4
(.882)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0 -0
(1.97 -0)
13.0 ± 0.5
DIA.
(.512 ± .020)
16.0
(.630)
18 +0
(.709 +0)
12.0
(.472)
END
NO COMPONENT
4.0
(.157)
COMPONENTS
START
NO COMPONENT
400
(15.75)
200
(7.87)
USER DIRECTION OF FEED
QTY: 1000 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 11/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
^P[OV\[UV[PJL
很抱歉,暂时无法提供与“SRR0745A-220M”相匹配的价格&库存,您可以联系我们找货
免费人工找货- 国内价格
- 233+3.77582
- 250+3.77318
- 500+3.77054
- 1000+3.76790
- 国内价格
- 1000+3.73094
- 2000+3.43880
- 10000+3.30153
- 25000+3.17658