REVISIONS
REV.
01
FIRST RELEASE
DESCRIPTION
ECN NO.
N/A
DATE
08/14/14
PAGE 4 IS FOR INTERNAL ONLY
TITLE
PART NUMBER
831-03779F
PART DESCRIPTION
RoHS compliant per EU Directive 2011/65/EU
UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCH/mm.
PPIN, T CORE, 393uH, TH, 2 PIN
DATE
08/14/14
08/14/14
08/14/14
08/14/14
SCALE
APPROVALS
DRAWN BY
WARNING !
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
B. XU
PROJ. ENG
ALL SHEETS OF THIS DOCUMENT ARE
CONTROLLED DOCUMENTA TION AND
TOLERANCE ARE:
ARE NOT TO BE RELEASED OUTSIDE
INCH
mm
ANGLE
OF E&E OR ITS SUB-CONTRACTORS
.XXX
±
.005
.XX
±
.13
X.X
±
0.3
WITHOUTAUTHORIZATION.
.XX
±
.02
.X
±
.5
X.
±
1
J. FENG
APPROVED BY
J. YANG
Q.A.
831-03779F
PAGE
OF
01
1
4
D. LUO
DO NOT SCALE
1.02 Max
25.9
4
.700 Max
17.78
4
WINDING SENSE DETAIL
THE DIRECTION OF WINDING TO BE AS SHOWN
IN THE DETAIL ABOVE.
THE NUMBER OF TURNS AS SHOWN IN THIS
DETAIL ARE COUNTED TO BE 6 TURNS.
IMPORTANT: THE PURPOSE OF THIS DETAIL IS TO
ILLUSTRATE THE CORRECT DIRECTION OF
WINDING AND HOW TURNS ARE TO BE
COUNTED. SPECIFIC CONSTRUCTION
DETAILS ARE IN THE NOTES BELOW.
3
BASE
.750±.010
19.1±0.25
5
.500
12.7
.250
6.35
.050
1.27
.400
10.2
.500
12.7
(DATE)
3779
2x
.040
1.02
BASE
1. Dimensions are specified in
inches
with higher precedence in inches.
mm
2. Unless otherwise specified, all tolerances are
±
0.25
.
3. Leads stripped and tinned with solder alloy between inner and outer diameters of core.
4. Direction of winding is critical. The direction of winding around the toroid must be the same as
that shown in the detail above.
5.
"(DATE)" includes at least the manufacturing date code(in YYWW format).
6. Insulation material rated Class B.
.010
MECHANICAL OUTLINE
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
831-03779F
SCALE
PAGE
OF
01
2
4
DO NOT SCALE
ELECTRICAL SPECIFICATION @25
°
C:
PARAMETERS
Inductance, Ls(1-2) @25KHz, 1.0Vrms
DCR(1-2)
1
UNIT
uH
m-Ohms
LIMITS
393
±
39
70 Max
AWG#20HN,
N
ominlly
76Turns
2
SCHEMATIC
7. Application: Choke inductor.
8. Operating temperature: -40
o
C to +125
o
C.
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
831-03779F
SCALE
PAGE
OF
01
3
4
DO NOT SCALE
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