SRR1208-4R5ML Bourns Inc., SRR1208-4R5ML Datasheet
SRR1208-4R5ML
Manufacturer Part Number
SRR1208-4R5ML
Description
INDUCTOR HP 4.5UH 20% SHIELD SMD
Manufacturer
Bourns Inc.
Series
SRR1208r
Type
Ferrite Corer
Datasheet
1.SRR1208-471KL.pdf
(2 pages)
Specifications of SRR1208-4R5ML
Inductance
4.5µH
Current
6.5A
Current - Saturation
10A
Tolerance
±20%
Shielding
Shielded
Dc Resistance (dcr)
14 mOhm
Q @ Freq
24 @ 7.96MHz
Self Resonant Freq
30MHz
Package / Case
0.500" L x 0.500" W x 0.335" H (12.70mm x 12.70mm x 8.50mm)
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Frequency - Test
1kHz
Material - Core
Ferrite
Applications
Power Supplies
Application
Input⁄output of DC⁄DC converters, power supplies for portable communications equipment, camcorders, LCD TVs, car radios
Case Size
1208
Current, Rating
6.5 A
Dimensions
0.5"L×0.5"W×0.335"H
Frequency, Self Resonant
35 MHz
Height
0.335 in.
Q Factor
24
Resistance Dc
0.014 Ohms
Resistance, Dc
0.014 Ohms
Standards
RoHS Compliant
Temperature, Junction, Maximum
+125 °C
Temperature, Operating
-40 to +125 °C
Temperature, Operating, Maximum
+125 °C
Temperature, Operating, Minimum
–40 °C
Termination
SMT
Tolerance, Inductance
±20%
Width
0.5 in.
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Temperature Rise
-
Lead Free Status / Rohs Status
RoHS Compliant part
Other names
SRR1208-4R5MLTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SRR1208-4R5ML
Manufacturer:
BOURNS
Quantity:
55 000
Part Number:
SRR1208-4R5ML
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Bourns Part No.
SRR1208-2R5ML
SRR1208-4R5ML
SRR1208-6R5ML
SRR1208-100ML
SRR1208-120ML
SRR1208-150ML
SRR1208-180ML
SRR1208-220ML
SRR1208-270ML
SRR1208-330YL
SRR1208-390YL
SRR1208-470YL
SRR1208-560YL
SRR1208-680YL
SRR1208-820YL
SRR1208-101YL
SRR1208-121YL
SRR1208-151YL
SRR1208-181YL
SRR1208-221KL
SRR1208-271KL
SRR1208-331KL
SRR1208-391KL
SRR1208-471KL
SRR1208-561KL
SRR1208-681KL
SRR1208-821KL
SRR1208-102KL
SRR1208-122KL
SRR1208-152KL
SRR1208-182KL
SRR1208-222KL
SRR1208-272KL
SRR1208-332KL
SRR1208-392KL
SRR1208-472KL
SRR1208-562KL
SRR1208-682KL
SRR1208-822KL
SRR1208-103KL
Electrical Specifications
Inductance 1kHz
10000
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
(µH)
100
120
150
180
220
270
330
390
470
560
680
820
2.5
4.5
6.5
10
12
15
18
22
27
33
39
47
56
68
82
Tol. %
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 15
± 15
± 15
± 15
± 15
± 15
± 15
± 15
± 15
± 15
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
Ref.
20
24
25
20
19
21
21
23
23
23
25
24
23
20
18
15
15
14
14
13
13
13
14
14
14
13
12
11
10
10
20
20
20
20
20
20
18
18
16
24
Q
Frequency
0.0796
(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
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
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
Test
Features
SRR1208 Series - Shielded High Power Inductors
Electrical Schematic
Available in E6 series
Unit height of 8.5 mm
Current up to 7.5 A
RoHS compliant*
(MHz)
Min.
0.80
0.75
0.70
0.65
0.60
0.50
0.45
0.42
0.40
0.38
0.35
0.30
SRF
9.0
7.0
6.5
6.5
6.0
5.0
5.0
5.0
4.0
4.0
3.0
3.0
2.5
2.5
2.0
1.8
1.6
1.4
1.4
1.2
1.2
1.0
37
30
20
15
11
11
0.011
0.014
0.018
0.021
0.025
0.036
0.040
0.043
0.048
0.062
0.076
0.085
0.110
0.135
0.150
0.170
0.190
0.240
0.270
0.380
0.400
0.650
0.670
0.850
0.900
RDC
1.00
1.15
1.65
2.00
2.35
3.40
4.20
5.20
6.40
7.80
9.60
12.0
15.2
17.0
19.2
(Ω Ω )
I rms
Max.
7.50
6.50
6.00
5.00
4.80
4.00
3.80
3.50
3.00
2.80
2.50
2.20
2.00
1.80
1.60
1.50
1.40
1.30
1.20
1.10
0.95
0.85
0.80
0.70
0.65
0.60
0.55
0.50
0.40
0.36
0.46
0.40
0.35
0.32
0.30
0.28
0.25
0.22
0.20
0.18
(A)
Customers should verify actual device performance in their specific applications.
10.00
10.00
I sat
8.40
6.70
6.50
5.60
4.00
4.00
4.30
3.80
3.40
3.10
2.80
2.60
2.30
2.10
2.00
1.72
1.70
1.45
1.25
1.12
1.10
0.95
0.90
0.82
0.77
0.67
0.57
0.55
0.48
0.42
0.38
0.35
0.32
0.30
0.28
0.25
0.22
0.20
Typ.
(A)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Applications
Test Voltage........................................1 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 core
Wire .............................Enameled copper
Base ......................................LCP E4008
Terminal ....................................Cu/Ni/Sn
Rated Current
Temperature Rise
Packaging.....................400 pcs. per reel
General Specifications
Materials
Product Dimensions
Recommended Layout
....................Ind. drop 10 % typ. at Isat
......................40 °C max. at rated Irms
Input/output of DC/DC converters
Power supplies for:
•
•
•
•
..................................260 °C for 5 sec.
Specifications are subject to change without notice.
Portable communication equipment
Camcorders
LCD TVs
Car radios
(Temperature rise included)
(.091 ± .007)
101
2.3 ± 0.2
(.500 ± .012)
12.7 ± 0.3
(.236)
(.157)
6.0
4.0
(.197 ± .007)
5.0 ± 0.2
(.500 ± .012)
(.335)
(.276)
12.7 ± 0.3
8.5
7.0
DIMENSIONS:
(INCHES)
MAX.
MM
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SRR1208-4R5ML Summary of contents
Page 1
... Electrical Specifications Inductance 1kHz Q Bourns Part No. Ref. (µH) Tol. % SRR1208-2R5ML 2.5 ± SRR1208-4R5ML 4.5 ± SRR1208-6R5ML 6.5 ± SRR1208-100ML 10 ± SRR1208-120ML 12 ± SRR1208-150ML 15 ± SRR1208-180ML 18 ± SRR1208-220ML 22 ± SRR1208-270ML 27 ± SRR1208-330YL 33 ± SRR1208-390YL 39 ± SRR1208-470YL 47 ± SRR1208-560YL 56 ± SRR1208-680YL 68 ± SRR1208-820YL 82 ± ...
Page 2
... SRR1208 Series - Shielded High Power Inductors Packaging Specifications 330 2.0 ± 0.5 DIA. (12.99) (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 13.0 ± 0.5 DIA. (.512 ± .020) 24 (.945) 8.6 (0.338) REV. 12/08 Specifications are subject to change without notice. ...