Features
■ Available in E12 values
■ Inductance range as low as 1.0 µH
■ Current rating to 9.4 amps
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
- Portable communication equipment
- Camcorders
- LCD televisions
SRR1260 Series - Shielded SMD Power Inductors
Inductance Test Frequency / Voltage
SRR1260-1R0Y to -8R2Y ... 100 kHz/0.1 V
SRR1260-100M to -102K ........ 1 kHz/0.1 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
Terminal ....................................Cu/Ni/Sn
Packaging .................... 600 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. (%)
SRR1260-1R0Y 1.0 ± 30 26 7.96 100.00 7.8 9.40 10.00 158
SRR1260-1R2Y 1.2 ± 30 18 7.96 91.10 8.0 9.20 9.80 123
SRR1260-1R5Y 1.5 ± 30 24 7.96 86.00 9.5 8.80 9.90 123
SRR1260-2R2Y 2.2 ± 30 22 7.96 70.00 10.5 8.20 8.50 100
SRR1260-2R4Y 2.4 ± 30 18 7.96 63.80 11.5 7.80 8.00 100
SRR1260-3R3Y 3.3 ± 30 20 7.96 40.00 12.0 7.60 7.80 74
SRR1260-3R5Y 3.5 ± 30 22 7.96 37.60 13.0 7.50 7.60 74
SRR1260-4R7Y 4.7 ± 30 19 7.96 36.70 15.5 6.80 7.00 65
SRR1260-5R6Y 5.6 ± 30 19 7.96 33.00 16.2 6.70 6.90 58
SRR1260-6R1Y 6.1 ± 30 21 7.96 29.80 17.0 6.60 6.80 58
SRR1260-6R8Y 6.8 ± 30 20 7.96 28.20 18.0 6.30 6.50 53
SRR1260-7R6Y 7.6 ± 30 16 7.96 27.90 19.0 6.00 6.20 53
SRR1260-8R2Y 8.2 ± 30 18 7.96 24.00 19.5 5.70 5.80 48
SRR1260-100M 10.0 ± 20 32 2.52 21.00 20.0 5.50 5.50 44
SRR1260-120M 12.0 ± 20 27 2.52 19.40 23.0 5.20 5.00 41
SRR1260-150M 15.0 ± 20 25 2.52 17.60 27.0 5.00 4.60 36
SRR1260-180M 18.0 ± 20 28 2.52 15.50 36.0 4.20 3.90 32
SRR1260-220M 22.0 ± 20 29 2.52 13.40 43.0 4.00 3.70 30
SRR1260-270M 27.0 ± 20 26 2.52 12.70 45.0 3.60 3.30 28
SRR1260-330M 33.0 ± 20 27 2.52 9.97 60.0 3.00 2.80 24
SRR1260-390M 39.0 ± 20 22 2.52 10.40 70.0 2.80 2.70 22
SRR1260-470M 47.0 ± 20 22 2.52 7.63 86.0 2.60 2.50 20
SRR1260-560M 56.0 ± 20 24 2.52 7.92 100.0 2.30 2.20 18
SRR1260-680M 68.0 ± 20 22 2.52 7.43 110.0 2.10 2.10 17
SRR1260-820M 82.0 ± 20 25 2.52 6.85 145.0 1.95 1.90 15
SRR1260-101M 100.0 ± 20 26 0.796 6.07 180.0 1.70 1.70 14
SRR1260-121K 120.0 ± 10 26 0.796 5.50 210.0 1.65 1.65 13
SRR1260-151K 150.0 ± 10 20 0.796 5.00 260.0 1.55 1.55 11
SRR1260-181K 180.0 ± 10 26 0.796 4.50 320.0 1.40 1.40 10
SRR1260-221K 220.0 ± 10 22 0.796 4.20 380.0 1.38 1.30 9
SRR1260-271K 270.0 ± 10 20 0.796 3.60 450.0 1.30 1.20 8
SRR1260-331K 330.0 ± 10 22 0.796 3.20 580.0 1.15 1.10 8
SRR1260-391K 390.0 ± 10 20 0.796 2.80 700.0 1.08 1.00 7
SRR1260-471K 470.0 ± 10 18 0.796 2.60 820.0 0.95 0.90 6
SRR1260-561K 560.0 ± 10 22 0.796 2.40 1000.0 0.88 0.80 6
SRR1260-681K 680.0 ± 10 18 0.796 2.20 1150.0 0.80 0.75 5
SRR1260-821K 820.0 ± 10 20 0.796 2.00 1500.0 0.73 0.63 5
SRR1260-102K 1000.0 ± 10 30 0.252 1.80 1700.0 0.68 0.60 4
Electrical Schematic
Δ I (peak-to-peak ripple current,
A),
determine core loss from Core Loss vs. Flux Density plot.
100
12.5 ± 0.3
(.492 ± .012)
12.5 ± 0.3
(.492 ± .012)
6.0 ± 0.5
(.236 ± .020)
5.0 ± 0.3
(.197 ± .012)
7.0
(.276) TYP.
2.9
(.114)
REF.
2.9
(.114)
REF.
5.4
(.213)
REF.
6.8
(.268)
REF.
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: 600 PCS. PER REEL
SRR1260 Series - Shielded SMD Power Inductors
24.0
(.945)
REV. 05/18
USER DIRECTION OF FEED
160
(6.299)
NO COMPONENT NO COMPONENTCOMPONENTS
390
(15.354)
START
4
(.157)
16.0
(.63)
5.3
(.209)
24
(.945)
END
100 100 100
26
(1.024)
30.4
(1.197)
2.0 ± 0.5
(.079 ± .020)
50.0
(1.969)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± .020)DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
1000
1
10 100
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
1000
0.1
0.01
10000
Core Loss (mW)
100 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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and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
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*9
