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LAN ISOLATION
TRANSFORMER CATALOG
TABLE of CONTENTS
ISOLATION TRANSFORMERS
10BASE-T
FOR ADAPTER CARDS, MAUS, HUBS AND MOTHERBOARD APPLICATIONS
Electrical Specifications: Surface Mount and Through Hole . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
ETHERNET AUI TRANSFORMERS
Electrical Specifications: Surface Mount and Through Hole . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
APPLICATION CIRCUITS
10Base-T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
SCHEMATICS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
MECHANICALS
Surface Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Through Hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Turns Ratio Common Sine Wave Interwinding Leakage
Part 2(±5%) Primary Mode Inductance Capacitance Inductance DCR Hipot Schem. Mech
Number Pins Choke OCL1Cww1LL1(Ω MAX) (Vrms)
Transmit Receive (µH MIN) (pF MAX) (µH MAX)
SURFACE MOUNT 2pages 6-7 pages 8-9
23Z128SM 1CT:1.414CT 1CT:1CT 6-8/1-3 200 15 0.5 0.4 2000 T4 SMT5
23Z356SM 1CT:1.414CT 1CT:1CT 6-8/1-3 X 200 12 0.5 0.6 2000 T7 SMT5
23Z467SM 1CT:2CT 1CT:1CT 6-8/1-3 X 140 12 0.2 0.6 2000 T7 SMT5
E2023
4
1CT: 2.5CT 1CT: 1CT 6-8/1-3 X 200 15 0.5 0.4 2000 T10 SMT4
E4001 1CT:2CT 1CT:1CT 6-8/1-3 X 112 8 0.3 0.8 3000 T5 SMT4
EX2024
3
1CT: 2.5CT 1CT:1CT 6-8/1-3 X 350 30 0.8 0.6 2000 T10 SMT4
PE-65454 1:1.414 1:1 3-4/1-2 140 12 0.2 0.4 2000 T1 SMT2
PE-65726 1CT:1CT 1CT:1CT 1-3/6-8 200 10 0.2 0.3 2000 T4 SMT4
PE-65745 1CT: 1.414CT 1CT:1CT 6-8/1-3 140 12 0.2 0.3 1500 T4 SMT4
PE-68023 1CT:2CT 1CT:1CT 1-3/6-8 X 200 12 0.3 1.0 1500 T6 SMT4
PE-68041 1CT:2CT 1CT:1CT 6-8/1-3 112 8 0.3 0.5 1500 T4 SMT4
PE-68048 1CT: 1.414CT 1CT:1CT 6-8/1-3 X 110 15 0.4 1.0 1500 T5 SMT4
PE-68052 2CT:1CT 1CT:1CT 1-3/6-8 X 140 12 0.3 1.0 1500 T6 SMT4
PE-68810 — 1:1 (4X) 1-2/3-4 140 12 0.2 0.4 2000 T3 SMT4
PE-68820 1:1.414 (4X) — 1-2/3-4 40 12 0.2 0.4 2000 T3 SMT4
5-6/7-8
THROUGH HOLE pages 6 page 10
23Z128 1CT: 2CT 1CT:1CT 6-8/1-3 140 15 0.5 0.4 2000 T4 TH3
PE-65263 1CT:1CT 1CT:1CT 1-3/6-8 200 15 0.25 0.3 2000 T4 TH4
1. OCL, Cww and LLare measured at 20 mVrms, 100 kHz.
2. For Tape & Reel packaging, add the suffix “T” to the end of the part number when ordering. e.g. E2023T.
3. Part numbers denoted ”EX” are extended temperature parts -40°C to 85°C, electrical specifications @ 25°C.
4. E2023NL is the RoHS compliant version of E2023.
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
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Meets IEEE 802.3 specification
Available with common mode chokes for
EMI suppression
Through hole, auto-insertable, 16-pin
DIP package
ISOLATION TRANSFORMERS
FOR 10BASE-T
For Adapter Cards, MAUs, Hubs,
and Motherboard Applications
Primary Primary Interwinding Leakage
Part Turns Ratio Primary Sine Wave ET-Constant Rise Time 2Capacitance Inductance DCR Schem. Mech. Hipot
Number 3(±5%) Pins OCL1(V-µs MIN) (ns MAX) Cww1LL1(ΩMAX) (Vrms)
(µH ±20%) (pF MAX) (µH MAX)
SURFACE MOUNT 3page 6 pages 8-9
23Z90SM 1:1 1-2/4-5/7-8 75 2.4 3.0 10 0.20 0.20 T2 SMT5 2000
23Z91SM 1:1 1-2/4-5/7-8 100 2.4 3.0 10 0.20 0.30 T2 SMT5 2000
23Z108SM 51:1 1-2/4-5/7-8 350 2.5 3.5 16 0.30 0.35 T2 SMT5 2000
PE-65723 1:1 1-2/4-5/7-8 75 1.8 3.0 8 0.20 0.30 T2 SMT4 2000
PE-65727 1:1 1-2/4-5/7-8 150 1.2 3.0 12 0.20 0.30 T2 SMT4 2000
PE-65728 1:1 1-2/4-5/7-8 100 1.8 3.0 9 0.20 0.30 T2 SMT4 2000
THROUGH HOLE
pages 6 page 9-10
PE-64102 1:1 1-2/4-5/7-8 75 2.1 3.0 10 0.20 0.20 T2 TH4 500
PE-64103 1:1 1-2/4-5/7-8 100 2.1 3.0 10 0.20 0.30 T2 TH4 500
PE-64104 1:1 1-2/4-5/7-8 150 2.1 3.5 12 0.20 0.30 T2 TH4 500
PE-64108 1:1 1-2/4-5/7-8 100 2.1 3.5 10 0.25 0.40 T2 TH2 2000
PE-64109 1:1 1-2/4-5/7-8 150 3.0 3.0 15 0.20 0.45 T2 TH2 2000
PE-64502 1:1 1-2/4-5/7-8 75 2.1 3.0 10 0.20 0.20 T2 TH4 2000
PE-64503 1:1 1-2/4-5/7-8 100 2.1 3.0 10 0.20 0.30 T2 TH4 2000
1. OCL, Cww and LLare measured at 20 mVrms, 100 kHz.
2. Rise time is measured in 75 Ωsystems.
3.
For Tape & Reel packaging, add a suffix “T” to the end of the part number when ordering. e.g. PE-65723T.
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Low leakage inductance and coupling
capacitance for faster rise times
Small form factor, 50 mil lead spacing
Through hole, auto-insertable,
16-pin DIP package
ISOLATION TRANSFORMERS
FOR ETHERNET
AUI Transformers
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
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Typical Application Circuit
+5 V
+ 12 V
TXLED
RXLED
COLLED
POLLED
LNKLED
TXU+
TXS+
TXS-
TXU-
RXI+
RXI-
Req
Rlx
CD+
CD-
RX+
RX-
TX+
TX-
TD+
TD-
RD+
RD-
+5 V
R1 R2 R3 R4 R5
R6
R7
R8
R9
R13
R10
49.9 R11
49.9
C1
0.01 µF C2
0.01 µF
C5
0.01
µF
R12
1:1
PE-65728
PE-68023
1:2
LED
INDICATORS
TPI
R J-45
AUI
D B15
+12 V
CD+
CD-
RX+
RX-
TX+
TX-
GND
R16
39.2 R17
39.2 R18
39.2 R19
39.2
C4
0.01 µF
C3
0.01 µF
DP83907
NOTE 2
1:1
NOTE 3
NOTE 1
NOTES:
1. Connections at pins 12 and 13 apply to PE-68023 only. These are test points. Do not ground.
2. For specific information, see pages 2 and 3 in this catalog.
3. For specific connection, refer to National’s Application Notes.
ISOLATION TRANSFORMERS
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Typical 10Base-T Application Circuit
LXT914
AUICIN
AUICIP
AUIDIN
AUIDIP
AUIDON
AUIDOP
ETHERNET
TRANSFORMER
PE-65723 DB-15
CONNECTOR
TPDOP1
CD-
CD+
RD -
RD +
TD -
TD +
TPDON1
TPDOP2
TPDON2
TPDOP3
TPDON3
TPDOP4
TPDON4
TPDIP1
TPDIN1
TPDIP2
TPDIN2
TPDIP3
TPDIN3
TPDIP4
TPDIN4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
56
57
54
53
51
50
48
47
66
65
64
63
62
61
60
59
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
24.9
24.9
24.9
24.9
24.9
24.9
24.9
24.9
PE-68820
PE-68810
100
100
100
100
1
2
4
5
7
8
16
15
13
12
10
9
78.7
78.7
78.7
45
44
43
42
41
40
RJ-45
RJ-45
RJ-45
RJ-45
RX 1:1
TX 1: 2
ISOLATION TRANSFORMERS
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8765
1234
12 4 78
14 13 12 11 10 9
16 15
635
124578
16 15 13 12 10 9
16 15 14 11 10
123678
9
T1 T2
T3 T4
Schematics
ISOLATION TRANSFORMERS
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13 12
678
11 9
10
16 15
123
14
14
16 15
123
11 10
678
9
13 12
T5 T6
16 15
123
14 11 10
678
9
T7
Schematics (continued)
T10
ISOLATION TRANSFORMERS
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Surface Mount Mechanicals
SMT2
PE-XXXXX
DATE CODE
CNTRY OF ORIGIN
3X .100
2,54
.340 MAX
8,64
.330 MAX
8,38
.098 MAX
2,50
SUGGESTED PAD LAYOUT
.050
1,27
.285
7,23
.063
1,60
.300
7,62
TYP
.100
2,54
.004/0,10
.025
0,64
Weight . . . . . . . . . . . .0.22 grams
Tube . . . . . . . . . . . . . . . . .60/tube
Tape & Reel . . . . . . . . .1500/reel
ISOLATION TRANSFORMERS
Part Number*
DATE CODE
CNTRY OF ORIGIN
.370
9,40
.285 MAX
7,24
.200
5,08
.
004/0,10
16 Surfaces
.015
0,38
.350
8,89
.075
1,91
.040
1,02
.018
0,46 TYP16X
.050
1,27 TYP14X
0°-8°
.500 MAX
12,70
SUGGESTED PAD LAYOUT
.420
10,67
.270
6,86
.025
0,64
.075
1,91
.350
8,89 .050
1,27
SMT4
Weight . . . . . . . . . . . .0.82 grams
Tube . . . . . . . . . . . . . . . . .40/tube
Tape & Reel . . . . . . . . . .900/reel
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
*PE-6XXXX, EXXX, EX2XXX
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
.265
6,73
.350
8,89
.360
9,14
.050 TYP
1,27
23ZXXXSM
DATE CODE CTRY ORIGIN
.450
11,43
.215
5,46
.004/0,10
16 Surfaces
16X .005 to .010
0,13 0,25
.018 TYP
0,46
0°–8°
.020
0,51 ± 0,10
.350
8,89
.050
1,27
.070
1,78
.400
10,16
.260
6,60
.030
0,76
SUGGESTED PAD LAYOUT
Weight . . . . . . . . . . . .0.85 grams
Tube . . . . . . . . . . . . . . . . .50/tube
Tape & Reel . . . . . . . . . .750/reel
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .005
0,13
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Surface Mount Mechanicals (continued)
SMT5
ISOLATION TRANSFORMERS
DATE CODE CTRY ORIGIN
1.000 MAX
25,40
.390 MAX
9,91
.130 + .020 - .010
3,30 0,51 0,25
4X .100
2,54
.215 MAX
5,46
.300
7,62
.300
7,62
.700
17,78
STAND-OFF
4 PLCS
12Xø .020
0,51
PE-6410X
DATE CODE COUNTRY OF ORIGIN
1.000 MAX
25,40
.385 MAX
9,78
.300
7,62
.200
5,08
.700
17,78
.200 MAX
5,08
6X .100
2,54
.250 ± .050
6,35 1,27
12Xø .020
ø
Through Hole Mechanicals
TH1 TH2
Weight . . . . . . . . . . . .2.18 grams
Tube . . . . . . . . . . . . . . . . .20/tube
Dimensions: Inches Unless otherwise specified, all tolerances are ± .010
mm 0,25
Weight . . . . . . . . . . . .2.17 grams
Tube . . . . . . . . . . . . . . . . .20/tube
For More Information:
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2008. Pulse Engineering, Inc. All rights reserved.
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10 EC100.L (4/08)
ISOLATION TRANSFORMERS
Through Hole Mechanicals - contnued
TH3 TH4
16X .018
0,46
.250
6,35
14X .100
2,54 .125 ± .020
3,18 0,51
.015 MIN
0,38
.800
20,32
23ZXXX
DATE CODE CTRY ORIGIN
Fil-Mag
.285
7,24
.340 ± .020
8,64 0,51
.700
17,78
± .010
0,25
TYP
TYP
MAX
.300
7,62
AT SEATING PLANE
.220 MAX
5,59
16X .018
0,46
.020 MIN
0,51
.700
17,78
.110 MIN
2,79
14X .100
2,54
.260 MAX
6,60
.800 MAX
20,32
PE-XXXXX
DATE CODE COUNTRY ORIGIN
Weight . . . . . . . . . . . . .1.7 grams
Tube . . . . . . . . . . . . . . . . .28/tube
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .005
0,13
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
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Headquarters
12220 World Trade Dr.
San Diego, CA 92128
U.S.A.
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TEL: 858 674 8100
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150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
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No. 26
Kao Ching Road
Yang Mei Chen
Taoyuan Hsien
Taiwan, R. O. C.
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FAX: 886 3 4641911
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Headquarters
B402, Shenzhen Academy of
Aerospace Technology Bldg.
10th Kejinan Rd.
High-Tech Zone
Nanshan District
Shenzen, PR China 518057
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FAX: 86 755 33966700
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Room 1503
XinYin Building
No. 888 YiShan Road
Shanghai 200233
China
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FAX: 86 21 54643210
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Headquarters
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71083 Herrenberg
Germany
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