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SRR1280 Series Datasheet

Bourns Inc.

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Datasheet

Features
Available in E12 values
Inductance range as low as 1.1 µH
Current rating to 10.2 amps
RoHS compliant*
Applications
Input/output of DC/DC converters
Power supplies for:
- Portable communication equipment
- Camcorders
- LCD televisions
SRR1280 Series - Shielded SMD Power Inductors
Inductance Test Frequency / Voltage
SRR1280-1R1Y to -8R2Y ... 100 kHz/1 V
SRR1280-100M to -102K........ 1 kHz/1 V
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
.............................+260 °C for 10 sec.
Temperature Rise
....................40 °C max. at rated I rms
Inductance Drop .......... 25 % typ. at I sat
Moisture Sensitivity Level .....................1
.................N/A
Core ............................Ferrite DR and RI
Wire ............. Enameled copper wire 130
Terminal ....................................Cu/Ni/Sn
Packaging .................... 400 pcs. per reel
Materials
Product Dimensions
Recommended Layout
DIMENSIONS: MM
(INCHES)
*RoHS COMPLIANT
470
Bourns
Part Number
Inductance Q
(Typ.)
Test
Freq.
(MHz)
SRF
Typ.
(MHz)
RDC
Max.
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
Factor
(μH) Tol. (%)
SRR1280-1R1Y 1.1 ± 30 26 7.96 85 6.5 10.20 14.00 94
SRR1280-1R2Y 1.2 ± 30 28 7.96 83 18.0 6.60 7.80 90
SRR1280-1R4Y 1.4 ± 30 24 7.96 80 9.8 9.80 12.00 90
SRR1280-2R4Y 2.4 ± 30 20 7.96 45 10.0 9.20 10.50 62
SRR1280-3R3Y 3.3 ± 30 20 7.96 40 12.0 8.80 9.80 54
SRR1280-3R5Y 3.5 ± 30 20 7.96 36 12.0 8.80 9.80 56
SRR1280-4R5Y 4.5 ± 30 20 7.96 34 13.5 8.50 9.00 48
SRR1280-4R7Y 4.7 ± 30 22 7.96 30 15.5 8.20 8.80 48
SRR1280-5R6Y 5.6 ± 30 20 7.96 24 16.0 8.00 8.50 44
SRR1280-6R1Y 6.1 ± 30 20 7.96 23 18.0 6.60 7.80 43
SRR1280-6R8Y 6.8 ± 30 20 7.96 22 18.5 7.60 8.00 39
SRR1280-7R5Y 7.5 ± 30 16 7.96 21 17.5 6.40 7.00 37
SRR1280-7R6Y 7.6 ± 30 15 7.96 21 20.0 5.90 6.50 35
SRR1280-8R2Y 8.2 ± 30 22 2.52 20 20.5 6.20 6.80 35
SRR1280-100M 10.0 ± 20 24 2.52 17 19.5 6.00 6.30 32
SRR1280-120M 12.0 ± 20 26 2.52 15 28.0 5.60 6.60 30
SRR1280-150M 15.0 ± 20 26 2.52 13 28.5 5.20 5.00 28
SRR1280-180M 18.0 ± 20 24 2.52 12 35.0 4.80 4.60 23
SRR1280-220M 22.0 ± 20 20 2.52 11 38.6 4.30 4.10 21
SRR1280-270M 27.0 ± 20 26 2.52 10 52.0 3.90 3.70 20
SRR1280-330M 33.0 ± 20 28 2.52 9.5 57.0 3.50 3.30 17
SRR1280-390M 39.0 ± 20 24 2.52 8.5 70.0 3.20 3.10 16
SRR1280-470M 47.0 ± 20 24 2.52 7.5 80.0 2.90 2.80 15
SRR1280-560M 56.0 ± 20 24 2.52 7.0 100.0 2.60 2.50 13
SRR1280-680M 68.0 ± 20 20 2.52 6.5 120.0 2.40 2.30 12
SRR1280-820M 82.0 ± 20 20 0.796 5.0 130.0 2.30 2.20 11
SRR1280-101M 100.0 ± 20 18 0.796 4.5 150.0 2.10 2.00 10
SRR1280-121K 120.0 ± 10 16 0.796 4.3 200.0 1.95 1.95 9
SRR1280-151K 150.0 ± 10 24 0.796 4.1 270.0 1.85 1.90 8
SRR1280-181K 180.0 ± 10 24 0.796 4.0 300.0 1.75 1.88 7
SRR1280-221K 220.0 ± 10 24 0.796 3.4 400.0 1.60 1.70 7
SRR1280-271K 270.0 ± 10 20 0.796 3.1 450.0 1.20 1.60 6
SRR1280-331K 330.0 ± 10 18 0.796 2.9 600.0 1.10 1.40 5
SRR1280-391K 390.0 ± 10 20 0.796 2.7 680.0 1.00 1.40 5
SRR1280-471K 470.0 ± 10 20 0.796 2.2 880.0 0.90 1.25 5
SRR1280-561K 560.0 ± 10 20 0.796 2.0 960.0 0.80 1.15 4
SRR1280-681K 680.0 ± 10 26 0.796 1.7 1300.0 0.75 0.97 4
SRR1280-821K 820.0 ± 10 20 0.796 1.4 1500.0 0.70 0.94 4
SRR1280-102K 1000.0 ± 10 40 0.252 1.3 1700.0 0.68 0.80 3
Electrical Schematic
2.9
(.114)
REF.
2.9
(.114)
REF.
5.4
(.213)
REF.
6.8
(.268)
REF.
100
12.5 ± 0.3
(.492 ± .012)
12.5 ± 0.3
(.492 ± .012)
7.5 ± 0.5
(.295 ± .020)
5.0 ± 0.3
(.197 ± .012)
7.0
(.276) TYP.
Δ I (peak-to-peak ripple current,
A),
determine core loss from Core Loss vs. Flux Density plot.
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
* RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
SRF0504 Series - Line Filter
QTY: 400 PCS. PER REEL
SRR1280 Series - Shielded SMD Power Inductors
24.0
(.945)
REV. 03/18
26
(1.024)
30.4
(1.197)
2.0 ± 0.5
(.079 ± .020)
50.0
(1.969)
330
(12.99)DIA.
13.0
(.512) DIA.
13.0
(.512)
DIA.
21.0 ± 0.8
(.827 ± .031)
USER DIRECTION OF FEED
200
(7.87)
NO COMPONENT NO COMPONENTCOMPONENTS
400
(15.75)
START
4.0
(.157)
20.0
(.787)
24
(.945)
END
100 100 100
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
1000
1
10 100
800 KHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
1000
0.1
0.01
0.001
10000
Core Loss (mW)
10 KHz
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
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FIXED IND 15UH 5.2A 28.5 MOHM
Available Quantity25972
Unit Price1.91
FIXED IND 220UH 1.6A 400 MOHM
Available Quantity11805
Unit Price1.91
FIXED IND 100UH 2.1A 150 MOHM
Available Quantity8323
Unit Price1.91
FIXED IND 10UH 6A 19.5 MOHM SMD
Available Quantity8010
Unit Price1.91
FIXED IND 150UH 1.85A 270 MOHM
Available Quantity7293
Unit Price1.91
FIXED IND 33UH 3.5A 57 MOHM SMD
Available Quantity11725
Unit Price1.91
FIXED IND 18UH 4.8A 35 MOHM SMD
Available Quantity5022
Unit Price1.91
FIXED IND 47UH 2.9A 80 MOHM SMD
Available Quantity35470
Unit Price1.91
FIXED IND 1MH 680MA 1.7 OHM SMD
Available Quantity17997
Unit Price1.91
FIXED IND 330UH 1.1A 600 MOHM
Available Quantity16753
Unit Price1.91
FIXED IND 180UH 1.75A 300 MOHM
Available Quantity8808
Unit Price1.91
FIXED IND 4.7UH 8.2A 15.5 MOHM
Available Quantity4988
Unit Price1.91
FIXED IND 680UH 750MA 1.3 OHM
Available Quantity4841
Unit Price1.91
FIXED IND 12UH 5.6A 28 MOHM SMD
Available Quantity4765
Unit Price1.91
FIXED IND 56UH 2.6A 100 MOHM SMD
Available Quantity5664
Unit Price1.91
FIXED IND 6.8UH 7.6A 18.5 MOHM
Available Quantity3786
Unit Price1.91
FIXED IND 68UH 2.4A 120 MOHM SMD
Available Quantity3171
Unit Price1.91
FIXED IND 39UH 3.2A 70 MOHM SMD
Available Quantity4572
Unit Price1.91
FIXED IND 27UH 3.9A 52 MOHM SMD
Available Quantity2883
Unit Price1.91
FIXED IND 820UH 700MA 1.5 OHM
Available Quantity2773
Unit Price1.91