6.30
(.248)
2.20
(.087)
REF.
1.90
(.075)
REF.
2.20
(.087)
REF.
2.20
(.087)
REF.
REF.
R
6R2
5.80 ± 0.30
(.228 ± .012)
5.80 ± 0.30
(.228 ± .012)
1.90
(.075)
TYP.
2.00
(.079)
TYP.
1.90
(.075)
TYP.
1.80 ± 0.20
(.071 ± .008)
Features
■ Height of 2.0 mm max.
■ Current rating up to 3 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR5018 Series - Shielded Power Inductors
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
Test Voltage .................... 0.1 V, 100 KHz
Refl ow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
.................................. 260 °C, 10 sec.
Electrical Specifi cations
Bourns Part No.
I
nductance 100 KHz
Q
Ref.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
DCR
Max.
(mΩ)
I rms
(A)
I sat
(A)uH
Tol.
(%)
SRR5018-1R2Y 1.2 ±30 9.2 7.96 118 30 3.00 3.50
SRR5018-1R8Y 1.8 ±30 8.9 7.96 93 35 2.60 3.00
SRR5018-2R5Y 2.5 ±30 8.6 7.96 74 40 2.40 2.70
SRR5018-3R0Y 3.0 ±30 8.3 7.96 79 45 2.20 2.40
SRR5018-3R9Y 3.9 ±30 8 7.96 64 55 2.00 2.10
SRR5018-4R1Y 4.1 ±30 8 7.96 60 55 2.00 2.10
SRR5018-5R0Y 5.0 ±30 7.9 7.96 55 60 1.65 1.80
SRR5018-5R4Y 5.4 ±30 7.4 7.96 58 76 1.65 1.65
SRR5018-6R2Y 6.2 ±30 7.5 7.96 51 80 1.45 1.60
SRR5018-7R5Y 7.5 ±30 7.9 7.96 42 90 1.35 1.50
SRR5018-8R9Y 8.9 ±30 7.3 7.96 40 116 1.25 1.25
SRR5018-9R0Y 9.0 ±30 7.2 7.96 37 110 1.25 1.35
SRR5018-100Y 10 ±30 11 2.52 41 130 1.10 1.25
SRR5018-120Y 12 ±30 8.6 2.52 39 160 1.00 1.15
SRR5018-150Y 15 ±30 12.7 2.52 32 190 0.95 1.10
SRR5018-180Y 18 ±30 8.8 2.52 29 210 0.90 1.00
SRR5018-220Y 22 ±30 14.7 2.52 22 280 0.80 0.90
SRR5018-270Y 27 ±30 10.2 2.52 21 320 0.75 0.80
SRR5018-330Y 33 ±30 10.9 2.52 20 350 0.65 0.70
SRR5018-390Y 39 ±30 10.6 2.52 17 500 0.55 0.65
SRR5018-470Y 47 ±30 8.9 2.52 14 550 0.52 0.60
SRR5018-560Y 56 ±30 8.9 2.52 13 600 0.48 0.55
SRR5018-680Y 68 ±30 9.9 2.52 12 850 0.40 0.50
SRR5018-820Y 82 ±30 9.1 2.52 11 950 0.38 0.45
SRR5018-101Y 100 ±30 13.1 0.796 10 1100 0.35 0.42
SRR5018-121Y 120 ±30 12.9 0.796 11 1420 0.30 0.40
SRR5018-151Y 150 ±30 11.8 0.796 11 1650 0.28 0.35
SRR5018-181Y 180 ±30 13.6 0.796 10 2300 0.25 0.32
SRR5018-221Y 220 ±30 8.7 0.796 8 2500 0.23 0.30
General Specifi cations
Core ..............................................Ferrite
Wire ............................Enameled copper
Adhesive .............................. Epoxy resin
Terminal ....................................Ag/Ni/Sn
Rated Current
...............Ind. drop of 35 % typ. at Isat
Temperature Rise
.......................40 °C typ. at rated Irms
Packaging .................... 500 pcs. per reel
Materials
Product Dimensions
Recommended Layout
DIMENSIONS:
MM
(INCHES)
Soldering Profi le
Temperature
(°C)
25
75
125
175
225
275
0 50 100 150 200 250 300
Time (seconds)
120 - 150 seconds
60 - 90
seconds
260°C peak
190°C
150°C
220°C
Ramp Down
6°C/second
maximum
<1> 255°C
<1> Maximum of 10 seconds between
+255°C and +260°C
Ramp Up
3°C/second maximum
10 seconds minimum
Rev. 02/22/05
