TRANSFORMER,FLYBACK,SMT,10PIN
PAGE4ISFORINTERNALUSE
TITLE
Q.A.
APPROVEDBY
PROJ.ENG
DRAWNBY
V.TSUI
W.P.CHENG
W.P.CHENG
C.M.TSUI
APPROVALS DATE
1
UNLESSOTHERWISE
SPECIFIED,DIMENSIONS
AREININCH/mm.
WARNING!
INCH
.XXX
.XX
±.005
±.02
mm
.XX
.X
±.13
±.5
ANGLE
X.X
X.
±0.3
±1
TOLERANCEARE:
ALLSHEETSOFTHISDOCUMENTARE
CONTROLLEDDOCUMENTATIONAND
ARENOTTOBERELEASEDOUTSIDE
OFE&EORITSSUB-CONTRACTORS
WITHOUTAUTHORIZATION.
REVISIONS
FIRSTRELEASE
DESCRIPTION ECNNO.
N/A01
REV. DATE
11/21/07
11/21/07
11/21/07
11/21/07
11/21/07
PARTNUMBER PARTDESCRIPTION
835-00848 Standardversion,withLead(Pb)
RoHScompliantperEUDirective2002/95/EC(withoutexemptionofsoldercontent)835-00848F
DRAWINGNO./MODEL
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835-00848
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E&EMagneticProductsLtd.
2
MECHANICALOUTLINE
.394.010
10.00.25
±
±0
.098.010
2.50.25
±
±0
REFERENCEOR
GAUGEPLANE
.028.003
0.71.08
±
±0
.005-.020
0.13-0.51
.040.010
1.02.25
±
±0
.695
17.65
.705
17.91
.100
2.54
.394
10.00
.098
2.50
.051
1.30
.485
12.32
MAX
RECOMMENDED
PADLAYOUT
MAX
1
10
5
6
.550
13.97 MAX
0-8º
835-00848
(DATE)
EE
1.Dimensionarespecifiedinwithhigherprecedenceinmm.
2.Unlessotherwisespecified,alltoleranceare
3.Coplanarity:max.
4."(DATE)"includesatleastthemanufacturingdatecode(inYYWWformat)plustwocharacter
countrycode.
5.DimensionsaretobemeasuredinaccordancewithJEDECstandard95-1.
6.ForRoHScompliantversion,835-00848F,thepartwillbemarkedwith“835-00848F”,instead
of“835-00848”.
±.
inches
mm
.010
0.25
.004
0.10
6
DRAWINGNO./MODEL
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835-00848
DONOTSCALE 4
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E&EMagneticProductsLtd.
3
7. Operatingtemperaturerange:-40°Cto+85°C.Theparttemperature(ambienttemperature+
temperaturerise)shouldnotexceedtheupperlimitoftheoperatingtemperatureunderworst
caseoperatingconditions.Circuitdesign,componentplacement,PWBtracesizeand
thickness,airflowandothercoolingprovisionsallaffecttheparttemperature.Part
temperatureshouldbeverifiedintheendapplication.
8.Outputofthesecondaryiswiththewindingsconnectedinparallel.Biaswindingoutputis
12V,20mA.
ELECTRICALSPECIFICATION@25C:°
PARAMETERS
TurnsRatio(3-4):(8/7-10/9)
TurnsRatio(3-4):(2-1)
Polarity
Inductance,Ls(3-4)@250kHz,0.1Vrms
Inductance,Ls(3-4)@250kHz,0.1Vrms,1.0Adc
LL(3-4),short8-7-10-9-2-1@250kHz,0.1Vrms
DCR(2-1)
DCR(3-4)
HIPOT(3-4-2-1):(8-7-10-9),1minute
LIMITS
PerSchematic
1:0.1662%±
1:0.502%±
127.010%±
114.3Min
1.25Max
24Max
310Max
255Max
1500Min
UNIT
uH
uH
uH
VAC
mΩ
mΩ
mΩ
-
-
-
SCHEMATIC
3
4
2
1
Pri
Bias
Sec
8
10
7
9
DCR(8-10)orDCR(7-9)
DRAWINGNO./MODEL
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835-00848
DONOTSCALE 4
01
REV
E&EMagneticProductsLtd.
