REVISIONS
REV.
01
FIRST RELEASE
DESCRIPTION
ECN NO.
N/A
DATE
10/20/09
PAGE 4 IS FOR INTERNAL USE
TITLE
PART NUMBER
835-01114F
PART DESCRIPTION
RoHS compliant per EU Directive 2002/95/EC(without exemption of solder content)
UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCH/mm.
TRANSFORMER, SMT, 8 PIN
DATE
10/20/09
10/20/09
10/20/09
10/20/09
SCALE
WARNING !
APPROVALS
DRAWN BY
PROJ. ENG
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
ALL SHEETS OF THIS DOCUMENT ARE
CONTROLLED DOCUMENTATION 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
W.P. CHENG
W.P. CHENG
V. TSUI
C.M. TSUI
APPROVED BY
Q.A.
835-01114F
DO NOT SCALE
PAGE
01
1
OF
4
.295
7.50
.080
2.03
.500
12.70 MAX
1
4
.098
2.50
.620
15.75
.050
1.27
.600
15.24 MAX
8
EE
5-1114F
(DATE)
5
Recommended
Pad Layout
.024± .004 x8
0.60±0.10
.004-.020
0.10-0.51
.450 MAX
11.43
REFERENCE OR
GAUGE PLANE
.098± .010
2.50±0.25
.295?.010
7.50?0.25
1. Dimension are specified in
3. Coplanarity:
0.13
max.
.005
inches
mm
with higher precedence in mm.
.010
2. Unless otherwise specified, all tolerance are ±
0.25
.
4. "(DATE)" includes at least the manufacturing date code(in YYWW format) plus two character
country code.
MECHANICAL OUTLINE
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
835-01114F
SCALE
01
2
OF
DO NOT SCALE
PAGE
4
ELECTRICAL SPECIFICATION @25
°
C:
PARAMETERS
Turns Ratio(1-2):(5,6-7,8)
Turns Ratio(1-2):(3-4)
Polarity
Inductance, Ls(1-2)@100kHz, 240mVrms
Inductance, Ls(1-2)@100kHz, 240mVrms, 0.92Adc
LL(1-2), short 3-4-5-6-7-8@100kHz, 240mVrms
DCR(1-2)
DCR(5,6-7,8)
DCR(3-4)
HIPOT(1-2-3-4):(5-6-7-8), 1 minute
UNIT
-
-
-
uH
uH
nH
mΩ
mΩ
mΩ
VAC
LIMITS
1.8 : 1 ± 2%
1.8 : 1 ± 2%
Per Schematic
100 ± 10%
80 Min
875 Max
250 Max
38 Max
640 Max
1500 Min
PRI
33 - 57V, 250kHz,
100uH, 1.3Apk
1
5,6
SEC
12V @2.5A
2
3
4
AUX
12V@10mA
7,8
SCHEMATIC
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
6. Operating temperature range: -40°C to +85°C. The part temperature (ambient temperature +
temperature rise) should not exceed the upper limit of the operating temperature under worst
case operating conditions. Circuit design, component placement, PWB trace size and
thickness, airflow and other cooling provisions all affect the part temperature. Part
temperature should be verified in the end application.
835-01114F
SCALE
01
3
OF
DO NOT SCALE
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4
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