Features
■ Shielded construction
■ Inductance range: 1.0 to 100 μH
■ Heating current up to 5 A
■ Dimensions: 6.7 x 6.7 x 4 mm
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
SRR6040A Series - Shielded Power Inductors
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................. -40 °C to +125 °C
Resistance to Solder Heat
................................+250°C for 10 sec.
Temperature Rise
.........................30 °C typ. at rated Irms
Inductance drop .....................35 % at Isat
Core ............................................... Ferrite
Wire ..............................Enameled copper
Terminal Finish .................................... Sn
Packaging .................... 1000 pcs. per reel
Materials
Product Dimensions
*RoHS COMPLIANT
& AEC-Q200 QUALIFIED
DIMENSIONS: MM
(INCHES)
Recommended Layout
Bourns
Part Number
Inductance
@ 10 kHz / 1 V DCR
(Ω)
Typ.
DCR
(Ω)
Max.
I rms
(A)
I sat
(A)
***K-
Factor
L
(μH)
Tol.
(%)
SRR6040A-1R0Y 1.0 ± 30 0.0098 0.015 5.0 5.55 388
SRR6040A-3R0Y 3.0 ± 30 0.0153 0.021 3.5 3.33 233
SRR6040A-5R0Y 5.0 ± 30 0.0184 0.025 2.9 2.63 184
SRR6040A-6R8Y 6.8 ± 30 0.0223 0.03 2.5 2.17 152
SRR6040A-8R2Y 8.2 ± 30 0.0266 0.036 2.3 2.0 140
SRR6040A-100M 10 ± 20 0.0358 0.05 2.0 1.72 120
SRR6040A-120M 12 ± 20 0.0397 0.055 1.7 1.61 113
SRR6040A-150M 15 ± 20 0.0428 0.06 1.6 1.51 106
SRR6040A-180M 18 ± 20 0.0551 0.075 1.5 1.35 94
SRR6040A-220M 22 ± 20 0.0647 0.087 1.3 1.22 85
SRR6040A-270M 27 ± 20 0.0769 0.105 1.2 1.11 78
SRR6040A-330M 33 ± 20 0.0903 0.12 1.1 1.02 71
SRR6040A-390M 39 ± 20 0.103 0.135 1.0 0.94 66
SRR6040A-470M 47 ± 20 0.123 0.16 0.95 0.85 59
SRR6040A-560M 56 ± 20 0.149 0.19 0.86 0.77 54
SRR6040A-680M 68 ± 20 0.187 0.24 0.75 0.7 49
SRR6040A-820M 82 ± 20 0.22 0.29 0.7 0.63 44
SRR6040A-101M 100 ± 20 0.266 0.345 0.65 0.57 40
6.70 ± 0.3
(.264 ± .012)
6.70 ± 0.3
(.264 ± .012)
2.50
(.098) TYP.
2.10
(.083) TYP.
2.10
(.083)
TYP.
4.00
(.157) MAX.
2.40
(.094)
2.40
(.094)
2.40
(.094)
330
7.30
(.287)
3.00
(.118)
Δ I (peak-to-peak ripple current,
A),
determine core loss from Core Loss vs. Flux Density plot.
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
1000
1
100
1 MHz
600 KHz
500 KHz
300 KHz
200 KHz
100 KHz
100001000
0.1
0.01
0.001
10000
Core Loss (mW)
50 KHz
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
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
SRR6040A Series - Shielded Power Inductors
Inductance vs. IDC
Temperature Rise vs. IDC
Electrical Schematic
How to Order
SRR6040A - 100M
Model
Value Code (see table)
8.06.02.0 4.00.0
8.0 10.06.04.02.00.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
20.0
40.0
60.0
80.0
0.0
1.2
0.6
0.3
0.9
1.5
0.0
3.0
6.0
9.0
12.0
2.0 3.01.00.0
1.130.0 2.25 4.503.38
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
20.0
40.0
60.0
80.0
0.0
30.0
25.0
35.0
5.0
15.0
10.0
20.0
0.50.0
0.50.0 1.51.0 2.52.0
1.51.0
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
0.60.30.0 1.51.20.9
IDC (A)
L (µH)
IDC (A)
ΔT (°C)
L @ 25 °C L @ 125 °C
ΔT @ 25 °C
0.0
40.0
20.0
60.0
80.0
100.0
0.9 1.20.60.30.0
0.0
30.0
60.0
90.0
120.0
SRR6040A-1R0Y SRR6040A-100M
SRR6040A-330M SRR6040A-101M
SRR6040A-1R0Y SRR6040A-100M
SRR6040A-330M SRR6040A-101M
Asia-Pacifi c:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
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 disclaimers as set forth on the last
page of this document, and at www.bourns.com/legal/
disclaimer.pdf.
3312 - 2 mm SMD Trimming Potentiometer SRR6040A Series - Shielded Power Inductors
REV. 02/17
DIMENSIONS: MM
(INCHES)
QTY: 250 PCS. PER REEL
18 +0
(.709 +0)
22.4
(.882)
2.0 ± 0.5
(.079 ± .020)
50.0 -0
(1.969 -0)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± 0.20) DIA.
13.0
(.512)
DIA.
21.0 ± 0.8
(.827 ± .031)
200
250
150
200
100
50
0
Temperature (°C)
10050 150
Time (Seconds)
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
250
Peak Temperature: 250 °C
217 °C
60~120 Sec.
60 Sec.
Max.
60~150 Sec.
16.0
(.630)
USER DIRECTION OF FEED
200
(7.87)
NO COMPONENT NO COMPONENTCOMPONENTS
400
(15.75)
START
4.0
(.157)
12.0
(.472)
END
330 330 330 330
Max. Peak Temperature -5 30 sec. max.
Max. Time Above 217 : 60~150 sec. max.
Peak Temperature 250 max.
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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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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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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