Datasheet
T
empe
r
atur
e
(°C)
25
75
125
175
225
275
50 0 100 150 200 250 300
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
Features
■ Height of 4.0 mm max.
■ Current rating up to 3.5 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
SRR6038 Series - Shielded SMD Power Inductors
*RoHS COMPLIANT
Electrical Characteristics
Product Dimensions
Bourns
Part Number
Inductance
100 kHz
Q
Ref.
Test
Frequency
(MHz)
SRF
Typ.
(MHz)
DCR
Max.
(mΩ)
I rms
(A)
I sat
(A)(μH) Tol. %
SRR6038-3R3Y 3.3 ±30 9.8 7.96 75.9 20 3.50 3.60
SRR6038-5R0Y 5.0 ±30 8.9 7.96 42.6 24 2.90 2.95
SRR6038-6R2Y 6.2 ±30 9.0 7.96 42.3 27 2.50 2.60
SRR6038-7R4Y 7.4 ±30 7.5 7.96 32.9 31 2.30 2.55
SRR6038-8R2Y 8.2 ±30 7.4 7.96 29.6 34 2.20 2.45
SRR6038-8R7Y 8.7 ±30 7.3 7.96 27.5 34 2.20 2.35
SRR6038-100Y 10 ±30 8.8 2.52 24.9 38 2.00 2.05
SRR6038-120Y 12 ±30 8.3 2.52 17.9 53 1.70 1.95
SRR6038-150Y 15 ±30 8.6 2.52 18.0 57 1.60 1.90
SRR6038-180Y 18 ±30 8.0 2.52 13.8 92 1.50 1.70
SRR6038-220Y 22 ±30 8.8 2.52 13.9 96 1.30 1.60
SRR6038-270Y 27 ±30 7.7 2.52 12.5 109 1.20 1.30
SRR6038-330Y 33 ±30 8.6 2.52 12.5 124 1.10 1.20
SRR6038-390Y 39 ±30 8.3 2.52 11.8 138 1.00 1.10
SRR6038-470Y 47 ±30 8.5 2.52 10.4 155 0.95 1.00
SRR6038-560Y 56 ±30 8.2 2.52 8.8 202 0.85 0.90
SRR6038-680Y 68 ±30 7.4 2.52 7.5 234 0.75 0.87
SRR6038-820Y 82 ±30 7.6 2.52 7.6 324 0.70 0.75
SRR6038-101Y 100 ±30 6.7 0.796 6.2 358 0.65 0.68
General Specifications
Test Voltage ................................... 0.1 V
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temp. ............-40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Soldering Heat
................................ 260 °C for 10 sec.
Moisture Sensitivity Level......................1
ESD Classification (HBM) ..................N/A
Materials
Core ............................................. Ferrite
Wire ........................... Enameled copper
Adhesive ............................... Epoxy resin
Terminal .................................... Ag/Ni/Sn
Rated Current
...................Ind. drop 35 % typ. at Isat
Temperature Rise ................... 30 °C typ.
at rated Irms
Packaging .................. 1000 pcs. per reel
Soldering Profile
Recommended Layout
100
6.80 ± 0.20
(.268 ± .008)
6.80 ± 0.20
(.268 ± .008)
2.30
(.091)
TYP.
2.20
(.087)
TYP.
2.30
(.091)
TYP.
3.80 ± 0.20
(.150 ± .008)
7.30
(.287)
2.60
(.102)
REF.
2.10
(.083)
REF.
2.60
(.102)
REF.
2.70
(.106)
REF.
REF.
R
DIMENSIONS:
MM
(INCHES)
Electrical Schematic
LCR METER
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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