Features
n Bifilar or sector windings
n Wide frequency range over 1000 MHz
n Rated current 0.2 to 0.5 A
n Open construction is more economical
than DR332 Series
n RoHS compliant*
Applications
n For the suppression of EMI in data and
signal lines, e.g. CANbus
DR331 Series Surface Mount Data Line Chokes
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
Rated Voltage ..................80 Vdc/42 Vac
Hipot (1 sec.) ........ 250 Vac/60 Hz, 3 mA
Operating Temperature
................................-40 °C to +135 °C
Storage Temperature
................................-55 °C to +135 °C
Temperature Rise
.................30 °C max. at rated current
Resistance to Solder Heat
................................. +260 °C, 10 sec.
Moisture Sensitivity Level ..................... 1
ESD Classication (HBM)................. N/A
Electrical Specications @ 25 °C
Bourns
®
Part No.
L (1-4)
@ 100 kHz,
0.1 Vrms
(µH)
LL (1-4)
@ 100 kHz,
0.1 Vrms
(Typ.)
(2-3 Short)
RDC (W)
(Winding)
Max.
Rated
Current
Max. Winding
DR331-113BE 11.0 ± 25 % 0.05 µH 0.12 0.5 A Bilar
DR331-253AE 25.0 ± 25 % 1.50 µH 0.20 0.5 A Sector
DR331-513BE 51.0 ± 25 % 2.00 µH 0.30 0.5 A Sector
DR331-513BE 51.0 ± 25 % 0.60 µH 0.30 0.5 A Bilar
DR331-104AE 100.0 ± 25 % 0.85 µH 0.10 0.5 A Sector
DR331-474BE 470.0 ± 25 % 0.28 µH 0.28 0.5 A Bilar
DR331-105BE 1000.0 ± 25 % 0.29 µH 0.40 0.5 A Bilar
DR331-225BE 2200.0 ± 25 % 0.30 µH 0.70 0.3 A Bilar
DR331-475BE 4700.0 ± 25 % 0.30 µH 0.70 0.2 A Bilar
Core ..............................................Ferrite
Wire .... Enameled copper wire (Class F)
Base .......................Phenolic (UL 94V-0)
Terminal ....................................Cu/Ni/Sn
Adhesive .............................. Epoxy resin
Packaging ..... 1500 pcs. per 13 inch reel
Materials
Product Dimensions
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
DIMENSIONS:
MM
(INCHES)
Recommended Layout
Schematic
Asia-Pacic: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
How to Order
DR331 - 253 A E
Model
Value Code
See Model-Value Table
Winding Type
A = Sector
B = Bilar
Terminal
E = Cu/Ni/Sn (RoHS compliant)
Typical Part Marking
113B = DR331-113B
DATE CODE: WEEK
DATE CODE: YEAR
9.00 ± 0.3
(.354 ± .012)
7.30
(.287)
REF.
9.60
(.378)
REF.
REF.
3.70
(.146)
1.20
(.047)
TYP.
0.30
(.012)
0.50
(.020)
4.70 ± 0.3
(.185 ± .012)
5.40 ± 0.3
(.213 ± .012)
1
2
1
2
4
3
4
3
5.50
(.217)
TYP.
TYP.
TYP.
1
N2
N1
2
4
3
= POLARITY
113B
0518
1.75
(.069)
2.54
(.100)
TYP.
REF.
2.20
(.087)
113B = DR331-113B
DATE CODE: WEEK
DATE CODE: YEAR
9.00 ± 0.3
(.354 ± .012)
7.30
(.287)
REF.
9.60
(.378)
REF.
REF.
3.70
(.146)
1.20
(.047)
TYP.
0.30
(.012)
0.50
(.020)
4.70 ± 0.3
(.185 ± .012)
5.40 ± 0.3
(.213 ± .012)
1
2
1
2
4
3
4
3
5.50
(.217)
TYP.
TYP.
TYP.
1
N2
N1
2
4
3
= POLARITY
113B
0518
1.75
(.069)
2.54
(.100)
TYP.
REF.
2.20
(.087)
113B = DR331-113B
DATE CODE: WEEK
DATE CODE: YEAR
9.00 ± 0.3
(.354 ± .012)
7.30
(.287)
REF.
9.60
(.378)
REF.
REF.
3.70
(.146)
1.20
(.047)
TYP.
0.30
(.012)
0.50
(.020)
4.70 ± 0.3
(.185 ± .012)
5.40 ± 0.3
(.213 ± .012)
1
2
1
2
4
3
4
3
5.50
(.217)
TYP.
TYP.
TYP.
1
N2
N1
2
4
3
= POLARITY
113B
0518
1.75
(.069)
2.54
(.100)
TYP.
REF.
2.20
(.087)
113B = DR331-113B
DATE CODE: WEEK
DATE CODE: YEAR
9.00 ± 0.3
(.354 ± .012)
7.30
(.287)
REF.
9.60
(.378)
REF.
REF.
3.70
(.146)
1.20
(.047)
TYP.
0.30
(.012)
0.50
(.020)
4.70 ± 0.3
(.185 ± .012)
5.40 ± 0.3
(.213 ± .012)
1
2
1
2
4
3
4
3
5.50
(.217)
TYP.
TYP.
TYP.
1
N2
N1
2
4
3
= POLARITY
113B
0518
1.75
(.069)
2.54
(.100)
TYP.
REF.
2.20
(.087)
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.
DR331 Series Surface Mount Data Line Chokes
Solder Prole
0
50
100
150
200
250
300
003052002051001050
Time (Seconds)
Temperature (°C)
<1> Max. of 70 seconds > 200 °C
<2> Max. of 50 seconds > 230 °C
<3> Max. of 10 seconds > 255 °C
230 °C
<1>
255 °C
<2>
<3>
245 °C
260 °C
120 - 150 seconds
Ramp-up
4 °/second maximum
Ramp-down
5 °C/second maximum
Impedance vs. Frequency Insertion Loss vs. Frequency
100
10000
1000
0.1 110 100 1000
Frequency (MHz)
Impedance ()
-35
-30
-25
-20
-15
-10
-5
0
0.1 110100 1000
Frequency (MHz)
Insertion Loss (dB)
-513BE
-513BE
100
10000
1000
0.1 110 100 1000
Frequency (MHz)
Impedance ()
-35
-30
-25
-20
-15
-10
-5
0
0.1 110100 1000
Frequency (MHz)
Insertion Loss (dB)
-513BE
-513BE
10
100
1000
10000
100000
0.1 110 100 1000
Frequency (MHz)
Impedance ()
-475BE
-105BE
-225BE
-513AE
-253AE
-113BE
-474BE
-104AE
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
0.1 110100 1000
Frequency (MHz)
-475BE
-105BE
-474BE
-104AE
-225BE
-513AE
-253AE
-113BE
Insertion Loss (dB)
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
0.1 110100 1000
Frequency (MHz)
-475BE
-105BE
-474BE
-104AE
-225BE
-513AE
-253AE
-113BE
Insertion Loss (dB)