SAFETY CRITICAL PART
MATERIAL LIST IS REQ'D?
YES
REVISIONS
REV.
01
FIRST RELEASE
DESCRIPTION
ECN NO.
N/A
DATE
07/26/07
AGENCY FILE / CERTIFICATE NUMBER
UL 1863
CAN/CSA-C22.2 NO.182-4-M90.1990
E230849
E230849
PART NUMBER
MJ-28N2NNA2-E7102
MJR28N2NNA2-E7102
MJF28N2NNA2-E7102
Standard version, with lead(Pb)
PART DESCRIPTION
PAGE 6 IS FOR INTERNAL ONLY
TITLE
RoHS compliant per EU Directive 2002/95/EC
RoHS compliant per EU Directive 2002/95/EC(without exemption of solder content)
UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCH/mm.
MODULAR JACK, RJ45, MULTI-PORT,
2X8, THRU-HOLE, 1000BASE-T(PoE)
APPROVALS
DRAWN BY
DATE
07/26/07
07/26/07
07/26/07
07/26/07
WARNING !
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
C.W. TSANG
PROJ. ENG
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
WITHOUT AUTHORIZATION.
.XX ± .02
.X ± .5
X. ± 1
J. YIP
APPROVED BY
V. TSUI
Q.A.
MJ-28N2NNA2-E7102
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01
6
C.M. TSUI
DO NOT SCALE
1
MJX28N2NNA2-E7102
(DATE)
R
C
US
SEE NOTE 5 FOR
MARKING DETAILS
PORT 2
J8
J1
4.540
115.32 MAX.
PORT 16
1.680
MAX.
42.67
1.020
25.91 MAX.
REFERENCE OR
GAUGE PLANE
J1
PORT 1
J8
0.425
10.80
PORT 15
0.125
3.18
1. DIMENSIONS ARE SPECIFIED IN INCHES WITH HIGHER PRECEDENCE IN INCHES.
mm
2. UNLESS OTHERWISE SPECIFIED, ALL TOLERANCE ARE ± .010 .
0.25
3. “(DATE)” INCLUDES AT LEAST THE MANUFACTURING DATE CODE(IN YYWW FORMAT)
PLUS TWO CHARACTER COUNTRY CODE.
4. PIN 10 OF EACH PORT IS REMOVED.
5. THE MARKINGS FOR EACH OF THE PART NUMBER ARE BELOW :
FOR MJ-28N2NNA2-E7102, THE MARKING IS “MJ-28N2NNA2-E7102”.
FOR MJR28N2NNA2-E7102, THE MARKING IS "MJR28N2NNA2-E7102”.
FOR MJF28N2NNA2-E7102, THE MARKING IS "MJF28N2NNA2-E7102”.
MECHANICAL OUTLINE
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
MJ-28N2NNA2-E7102
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6
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2
4.205
106.81
3.105
78.87
2.005
50.93
0.905
22.99
3.655
92.84
2.555
64.90
1.455
36.96
0.355
9.02
PORT 15
176X DIA: 0.042
1.07
PORT 16
6X DIA: 0.062
1.57
0.935
23.75 0.785
19.94 0.610
15.49
1.015
25.78
0.450
11.43
Chip side
0.050
1.27
0.100
2.54
0.185
4.70
4.300
109.22
0.180
4.57
Cable side
0.110
2.79
0.110
2.79
PORT 2
0.260
6.60
0.050
1.27
2X DIA: 0.126
3.20
PORT 1
DETAIL “A”
0.210
5.33
LOWER PORT
PoE PINS
12
11
9
7
5
3
1
12
11
9
7
5
3
1
UPPER PORT
PoE PINS
Recommended hole pattern
Viewed from component side
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
LOWER PORT
SIGNAL PINS
8
6
4
2
8
6
4
2
UPPER PORT
SIGNAL PINS
MJ-28N2NNA2-E7102
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01
6
DETAIL “A”
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3
Shield
1
1CT:1
12nF/100VDC
75Ω
MDI_0-
2
MDI_0+
MDI_1-
4
3
1CT:1
12nF/100VDC
75Ω
J1
J2
MDI_1+
MDI_2-
6
5
1CT:1
12nF/100VDC
75Ω
J3
J4
MDI_2+
MDI_3-
8
7
1CT:1
12nF/100VDC
75Ω
J5
J6
J7
J8
1000pF/2000V
Upper
Port
MDI_3+
9
Vcc+
11
Vcc-
12
Vcc-
12
Vcc+
11
1000pF/2000V
J8
J7
1CT:1
Secondary
(Cable Side)
J6
12nF/100VDC
75Ω
MDI_2+
9
J5
J4
MDI_2-
8
1CT:1
MDI_3+
7
12nF/100VDC
75Ω
Lower
Port
J3
J2
MDI_3-
6
MDI_0+
5
1CT:1
12nF/100VDC
75Ω
J1
MDI_0-
4
MDI_1+
3
1CT:1
12nF/100VDC
75Ω
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
MDI_1-
2
1
Primary
(Chip Side)
SCHEMATIC
(EACH PAIR PORT)
MJ-28N2NNA2-E7102
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4
ELECTRICAL SPECIFICATION @25
°
C:(EACH PORT)
PARAMETERS
Turns Ratio (Primary):(Secondary)
Polarity (Primary):(Secondary)
Inductance, Ls(Primary) @100kHz, 0.1Vrms, 8mADC
Insertion Loss @0.1-100MHz
Return Loss @0.5-40MHz
Return Loss @40-100MHz
Crosstalk @0.1-100MHz, between channels (for refer. only)
HIPOT (Primary):(Secondary)
UNIT
-
-
uH
dB
dB
dB
dB
Vrms
EACH CHANNEL
1CT:1 ± 3%
Per Schematic
350 Min
1.5 Max
16.0 Min
10.0 Min
30.0 Min
1500 Min
E & E Magnetic Products Ltd.
DRAWING NO./MODEL
REV
6. OPERATING TEMPERATURE : 0°C TO +70°C.
7. BALANCED DC LINE CURRENT (J1,J2-11 & J3,J6-12) : 350mADC MAXIMUM
MJ-28N2NNA2-E7102
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