Datasheet

Features
■ Bifilar or sector windings
■ Wide frequency range over 1000 MHz
■ Rated current 0.2 to 0.5 A
■ Open construction is more economical
than DR332 Series
■ RoHS compliant*
Applications
■ For the suppression of EMI in data and
signal lines
DR331 Series Surface Mount Data Line Chokes
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
................. N/A
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
DR331-253AE 25.0 ± 25 % 1.50 μH 0.20 0.5 A Sector
DR331-513AE 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
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
DR331-105BE 1000.0 ± 25 % 0.29 μH 0.40 0.5 A
DR331-225BE 2200.0 ± 25 % 0.30 μH 0.70 0.3 A
DR331-475BE 4700.0 ± 25 % 0.30 μH 0.70 0.2 A
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
DIMENSIONS:
MM
(INCHES)
Recommended Layout
Schematic
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How to Order
E A 352 - 133RD
Model
Value Code
See Model-Value Table
Winding Type
A = Sector
Terminal
E = Cu/Ni/Sn (RoHS compliant)
Typical Part Marking
113B = DR331-113B
DATE CODE: WEEK
DATE CODE: YEAR
113B
0518
9.00 ± 0.3
(.354 ± .012)
7.30
(.287)
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.
1.75
(.069)
2.54
(.100)
TYP.
REF.
9.60
(.378)
REF.
REF.
3.70
(.146)
1.20
(.047)
REF.
2.20
(.087)
1
N2
N1
2
4
3
= POLARITY
*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 legal disclaimers
as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov