REVISIONS
REV.
01
02
03
DESCRIPTION
FIRST RELEASE FOR RFQ#D2005-6048
REVISE THE DESIGN AS PER CUSTOMER REQUEST
ADD RoHS COMPLIANT VERSION
ECN NO.
N/A
EE7426
EE10395
DATE
08/24/05
10/12/05
05/28/08
PAGE 4 IS FOR INTERNAL ONLY
PART NUMBER
821-01814
821-01814F
PART DESCRIPTION
Standard version, with Lead(Pb)
RoHS compliant per EU Directive 2002/95/EC(without exemption of solder content)
UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCH/mm.
TITLE
TRANSFORMER, ISDN U-INTERFACE,
SMT, 10 PIN
APPROVALS
DRAWN BY
DATE
05/28/08
05/28/08
05/28/08
05/28/08
SCALE
WARNING !
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
D. LAM
PROJ. ENG
ALL SHEETS OF THIS DOCUMENT ARE
CONTROLLED DOCUMENTATION AND
TOLERANCE ARE:
ARE NOT TO BE RELEASED OUTSIDE
mm
ANGLE
OF E&E OR ITS SUB-CONTRACTORS
INCH
.XXX
± .005
.XX
± .13
X.X
± 0.3
WITHOUT AUTHORIZATION.
.XX
± .02
.X
± .5
X.
± 1
W.P. CHENG
APPROVED BY
V. TSUI
Q.A.
821-01814
PAGE
OF
03
1
4
C.M. TSUI
DO NOT SCALE
.394
10.00
6
.530
13.46 MAX
.100
2.54
10
6
.695 MAX
17.65
821-01814
EE
.705
17.91
.051
1.30
(DATE)
1
5
RECOMMENDED
PAD LAYOUT
.028
±
.003
0.71
±0
.08
.004-.020
0.10-
0
.51
.500
12.70 MAX
0-8º
REFERENCE OR
GAUGE PLANE
.098
±
.010
2.50
±0
.25
.394
±
.010
10.00
±0
.25
.040
±
.010
1.02
±0
.25
1. Dimensions are specified in
inches
with higher precedence in inches.
mm
.010
2. Unless otherwise specified, all tolerances are ±
0.25
.
.004
3. Coplanarity:
0.10
max.
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
5. Dimensions are to be measured in accordance with JEDEC standard 95-1.
6. For RoHS compliant version, 821-01814F, the part will be marked with “821-01814F”, instead of
“821-01814”.
SCALE
821-01814
PAGE
OF
03
2
4
DO NOT SCALE
6
5
1S
N1
S1
7
N3
IC
LINE
9
N2
2S
10
S2
1
SCHEMATIC
ELECTRICAL SPECIFICATION @25°C:
PARAMETERS
Turns Ratio(6-7):(9-10):(5-1)
Polarity
Ls(6-10), short 7-9@10kHz, 0.10Vrms
Ls(6-10), short 7-9, 5-1@100kHz, 0.10Vrms
Cww(5-1):(6-7-9-10)@100kHz, 0.1Vrms
DCR(6-10),short 7-9
DCR(5-1)
Hipot(5-1):(6-7-9-10)
UNIT
-
-
mH
uH
pF
W
W
Vrms
LIMITS
1 : 1 : 1 ± 2%
Per Schematic
14.47 ± 8%
160 typ
35 typ
7.8 typ
3.8 typ
2000 min
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
7. Operating temperature range: -40ºC to +85ºC.
8. The transformer is designed to meet basic insulation of UL60950 with working
voltage of up to 250Vrms.
SCALE
821-01814
PAGE
OF
03
3
4
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