Technical Data 4147 Effective April 2016
Supersedes March 2007
DR1040
Shielded power inductors
Description
•Shielded drum core
•Inductance range from 1.4 μH to 323 μH
•Current range from 0.52 A to 10 A
•10.5 mm x 10.3 mm footprint surface mount
package in a 4.0 mm height
•Ferrite core material
•Halogen free, lead free, RoHS compliant
Applications
•LED/LCD backlighting
•High definition televisions (HDTV)
•Server and desktop power supplies
•Portable electronics
•Graphics cards and battery powered systems
•Point-of-load (POL) modules
•Printers and peripherals
Environmental Data
•Storage temperature range (Component):
•-40 °C to +125 °C
•Operating temperature range: -40 °C to +125 °C
(ambient plus self-temperature rise)
•Solder reflow temperature: J-STD-020D
compliant
Pb
HALOGEN
HF
FREE
2
Technical Data 4147
Effective April 2016
DR1040
Shielded power inductors
www.eaton.com/elx
Product Specifications
Part Number5
OCL1
(μH) ±30%
Irms
2
(A)
Isat
2
(A)
DCR (mΩ)
typical
@ 20°C
DCR (mΩ)
maximum
@ 20°C K-factor4
DR1040-1R5-R 1.35 6.5 10 6.0 8.1 15.5
DR1040-2R5-R 2.4 6.1 7.8 7.0 9.0 12.0
DR1040-3R8-R 3.6 5.5 6.4 9.6 13 9.9
DR1040-5R2-R 5.2 5.4 5.5 14 17 8.3
DR1040-7R0-R 6.8 4.5 4.8 17 20 7.2
DR1040-8R2-R 8.1 3.98 4.6 24 29 6.4
DR1040-100-R 9.6 3.8 4.4 26 35 5.7
DR1040-150-R 14.9 3.1 3.6 37 50 4.7
DR1040-220-R 21.1 ±20% 2.5 2.9 54 73 4.0
DR1040-330-R 32.6 2.2 2.45 69 93 3.3
DR1040-470-R 45.8 1.9 2.1 95 128 2.8
DR1040-680-R 65.3 1.42 1.65 152 183 2.3
DR1040-820-R 87 1.29 1.47 214 260 2.0
DR1040-101-R 101 1.25 1.35 225 304 1.9
DR1040-151-R 148 0.85 1.15 356 430 1.6
DR1040-221-R 216 0.70 0.92 530 640 1.3
DR1040-331-R 323 0.52 0.70 810 1090 1.0
1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc, +25 ºC
2. Irms: DC current for an approximate temperature rise of 30 ºC without core loss. Derating is necessary for AC currents.
PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the
temperature rise. It is recommended that the temperature of the part not exceed 125 ºC under worst case operating
conditions verified in the end application.
3. Isat: Peak current for approximately 35% rolloff @ +25 ºC
4. K-factor: K-factor: Used to determine Bp-p for core loss (see graph). Bp-p = K * L * ΔI. Bp-p: (mT), K:
(K-factor from table), L: (Inductance in μH), ΔI (Peak to peak ripple current in Amps)..
5. Part Number Definition: DR1040-xxx-R
DR1040 = Product code and size
-xxx= inductance value in μH, R= decimal point,
If no R is present then last character equals number of zeros
-R suffix = RoHS compliant
Dimensions (mm)
Part marking: inductance value in uH. R = decimal point. If no R is present then last character equals number of zeroes.
wwlly = date code, R = revision level
Do not route traces or vias underneath the inductor
3
Technical Data 4147
Effective April 2016
DR1040
Shielded power inductors
www.eaton.com/elx
Packaging information (mm)
Supplied in tape and reel packaging , 850 parts per 13” diameter reel
Temperature rise vs. total loss
0
20
40
60
80
100
120
00.2 0.40.6 0.811.
2
Temperature Rise ()
Total Loss (W)
4
Technical Data 4147
Effective April 2016
DR1040
Shielded power inductors
www.eaton.com/elx
Core loss vs. Bp-p
Inductance characteristics
0.001
0.01
0.1
1
10
0
001001011
Core Loss (W)
B
p-p
(mT)
100 kHz
200 kHz
300 kHz
500 kHz1 MHz
0%
20%
40%
60%
80%
100%
120%
0% 20% 40% 60% 80% 100% 120% 140%
160%
% of OCL
% of I
sat
%OCL vs. I
sat
-40 °C
+25 °C
+85 °C
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/elx
© 2016 Eaton
All Rights Reserved
Printed in USA
Publication No. 4147
April 2016
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Technical Data 4147
Effective April 2016
DR1040
Shielded power inductors
Temperature
t
tP
ts
TC -5°C
Time 25°C to Peak Time
25
°C
Tsmin
Tsmax
TL
TP
Preheat
A
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
Solder reflow profile
Reference JDEC J-STD-020D
Profile Feature Standard SnPb Solder Lead (Pb) Free Solder
Preheat and Soak • Temperature min. (Tsmin) 100°C 150°C
• Temperature max. (Tsmax) 150°C 200°C
• Time (Tsmin to Tsmax) (ts)60-120 Seconds 60-120 Seconds
Average ramp up rate Tsmax to Tp3°C/ Second Max. 3°C/ Second Max.
Liquidous temperature (Tl)
Time at liquidous (tL)
183°C
60-150 Seconds
217°C
60-150 Seconds
Peak package body temperature (TP)* Table 1 Table 2
Time (tp)** within 5 °C of the specified classification temperature (Tc)20 Seconds** 30 Seconds**
Average ramp-down rate (Tp to Tsmax)6°C/ Second Max. 6°C/ Second Max.
Time 25°C to Peak Temperature 6 Minutes Max. 8 Minutes Max.
* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum.
Table 1 - Standard SnPb Solder (Tc)
Package
Thickness
Volume
mm3
<350
Volume
mm3
≥350
<2.5mm) 235°C 220°C
≥2.5mm 220°C 220°C
Table 2 - Lead (Pb) Free Solder (Tc)
Package
Thickness
Volume
mm3
<350
Volume
mm3
350 - 2000
Volume
mm3
>2000
<1.6mm 260°C 260°C 260°C
1.6 – 2.5mm 260°C 250°C 245°C
>2.5mm 250°C 245°C 245°C
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Eaton:
DR1040-100-R DR1040-101-R DR1040-150-R DR1040-151-R DR1040-1R5-R DR1040-220-R DR1040-221-R
DR1040-2R5-R DR1040-330-R DR1040-331-R DR1040-3R8-R DR1040-470-R DR1040-5R2-R DR1040-680-R
DR1040-7R0-R DR1040-820-R DR1040-8R2-R DR1040-470-H
