SRR7045-331M Bourns Inc., SRR7045-331M Datasheet
SRR7045-331M
Manufacturer Part Number
SRR7045-331M
Description
INDUCTOR SHIELDED 330UH .4A SMD
Manufacturer
Bourns Inc.
Series
SRR7045r
Type
Ferrite Corer
Datasheet
1.SRR7045-151M.pdf
(2 pages)
Specifications of SRR7045-331M
Inductance
330µH
Tolerance
±20%
Current
400mA
Current - Saturation
250mA
Shielding
Shielded
Dc Resistance (dcr)
730 mOhm Max
Q @ Freq
65 @ 796kHz
Self Resonant Freq
4MHz
Package / Case
0.276" L x 0.276" W x 0.177" H (7.00mm x 7.00mm x 4.50mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
100kHz
Material - Core
Ferrite
Applications
Power Supplies
Maximum Dc Current
0.4 Amp
Maximum Dc Resistance
0.73 Ohms
Self Resonant Frequency
4 MHz
Q Minimum
65
Dimensions
7 mm W x 7 mm L x 4.5 mm H
Operating Temperature Range
- 40 C to + 125 C
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Temperature Rise
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
SRR7045-331M
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SRR7045-331M
Manufacturer:
BOURNS
Quantity:
50 000
Part Number:
SRR7045-331M
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Bourns Part No.
SRR7045-1R0M
SRR7045-2R2M
SRR7045-2R7M
SRR7045-3R3M
SRR7045-3R9M
SRR7045-4R7M
SRR7045-5R6M
SRR7045-6R3M
SRR7045-6R8M
SRR7045-100M
SRR7045-120M
SRR7045-150M
SRR7045-180M
SRR7045-220M
SRR7045-270M
SRR7045-330M
SRR7045-390M
SRR7045-470M
SRR7045-560M
SRR7045-680M
SRR7045-820M
SRR7045-101M
SRR7045-121M
SRR7045-151M
SRR7045-181M
SRR7045-221M
SRR7045-271M
SRR7045-331M
SRR7045-391M
SRR7045-471M
SRR7045-561M
SRR7045-681M
SRR7045-821M
SRR7045-102M
Electrical Specifications
Electrical Schematic
Inductance 100 kHz
1000
(µH)
100
120
150
180
220
270
330
390
470
560
680
820
1.0
2.2
2.7
3.3
3.9
4.7
5.6
6.3
6.8
10
12
15
18
22
27
33
39
47
56
68
82
Tol. %
± 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
±20
±20
±20
±20
±20
±20
±20
±20
±20
Typ.
10
10
10
10
10
10
10
10
10
30
27
31
29
26
25
25
26
29
21
22
22
40
30
51
52
44
30
65
27
80
27
65
26
90
Q
Frequency
Features
■
■
■
■
SRR7045 Series - Shielded SMD Power Inductors
(MHz)
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
Test
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
Recommended Layout
Available in E6 values
Current rating to 3.50 amps
Lead free
RoHS compliant*
REF.
(.094)
(MHz)
SRF
Typ.
2.4
60
60
60
43
40
35
33
30
28
25
23
24
21
18
18
12
13
11
11
10
9
8
7
7
5
5
5
4
5
3
4
3
3
3
0.020
0.022
0.027
0.027
0.028
0.030
0.036
0.038
0.036
0.042
0.050
0.062
0.070
0.082
0.110
0.115
0.130
0.150
0.200
0.210
0.280
0.300
0.420
0.480
0.660
0.700
0.840
0.730
1.200
1.100
1.600
1.600
2.200
2.400
Max.
RDC
(Ω)
(.165)
0.475
I rms
REF.
Max.
4.2
3.50
2.80
2.78
2.50
2.71
2.64
2.38
2.33
2.20
2.00
1.85
1.60
1.50
1.35
1.25
1.15
1.10
0.95
0.85
0.77
0.70
0.65
0.60
0.53
0.45
0.40
0.40
0.35
0.32
0.30
0.27
0.25
0.25
(.071)
(.071)
(A)
1.8
1.8
Customers should verify actual device performance in their specific applications.
REF.
REF.
(.307)
7.80
REF.
0.375
0.275
0.225
0.175
I sat
3.20
2.50
3.10
2.20
2.43
2.20
2.00
1.85
2.00
1.70
1.40
1.35
1.15
1.10
1.00
0.90
0.80
0.78
0.65
0.60
0.60
0.50
0.45
0.41
0.36
0.25
0.22
0.20
0.20
0.15
Typ.
(A)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Applications
■
■
Test Voltage.....................................0.5 V
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature ..-40 °C to +125 °C
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
Core ............................Ferrite DR and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
Temperature Rise ..................30 °C max.
Packaging ..................1000 pcs. per reel
General Specifications
Materials
Product Dimensions
....................Ind. drop 10 % typ. at Isat
....................Ind. drop 25 % typ. at Isat
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
................................260 °C for 10 sec.
Specifications are subject to change without notice.
Portable communication equipment
Camcorders
LCD TVs
Car radios
TYP.
(.079)
2.0
DIMENSIONS:
(.276 ± .012)
220
7.0 ± 0.3
(Temperature rise included)
(-1R0M through -221M)
(-271M through -102M)
(INCHES)
MM
(.177 ± .012)
(.157)
(.276 ± .012)
4.50 ± 0.3
4.0
at rated Irms
7.0 ± 0.3
(.059)
TYP.
TYP.
1.5
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SRR7045-331M Summary of contents
Page 1
... SRR7045-820M 82 ± 20 SRR7045-101M 100 ± 20 SRR7045-121M 120 ±20 SRR7045-151M 150 ± 20 SRR7045-181M 180 ±20 SRR7045-221M 220 ± 20 SRR7045-271M 270 ±20 SRR7045-331M 330 ± 20 SRR7045-391M 390 ±20 SRR7045-471M 470 ± 20 SRR7045-561M 560 ±20 SRR7045-681M 680 ± 20 SRR7045-821M 820 ±20 SRR7045-102M 1000 ± 20 ...
Page 2
... SRR7045 Series - Shielded SMD Power Inductors Packaging Specifications 330 2.0 ± 0.5 DIA. (13.00) (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 13.0 ± 0.5 DIA. (.512 ± .020) 16 (.630) 5.3 (.209) REV. 07/10 Specifications are subject to change without notice. ...