ETHERNET / CHEAPERNET LAN COUPLING TRANSFORMERS
FEATURES
Ê
Designed to meet IEEE 802.3 (10 Base 2, 10 Base 5)
Ë
Low Profile DIP or SMD Package
Ì
Low Leakage Inductance and Winding Capacitance
ELECTRICAL SPECIFICATIONS AT 25
O
C PER CORE
PART
NUMBER
A8DB101150
D8DB101150
D8CB101150
A8DB101170
D8DB101170
D8CB101170
A8DB101190
D8DB101190
D8CB101190
A8DB101240
D8DB101240
D8CB101240
A8DB101270
D8DB101270
D8CB101270
A8DB101330
D8DB101330
D8CB101330
D8DB101350
D8CB101350
D8DB101370
D8CB101370
TURNS
RATIO
(± 5%)
PRIMARY
OCL
(µH
±
20%)
µ
PRIMARY
ET CONSTANT
(V-µsec Min.)
µ
RISE
TIME
(ns Max.)
PRI-SEC
Cw/w
(pf Max.)
PRI / SEC
L
L
(µH Max.)
µ
DCR
(Ohms Max.)
HIPOT
Vrms Min.
Í
Fast Rise Times
Î
500 or 2000Vrms Minimum Isolation
Ï
Triple Core Package
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
1:1
32
32
32
40
40
40
50
50
50
75
75
75
100
100
100
150
150
150
200
200
250
250
1.5
1.5
1.5
1.7
1.7
1.7
1.9
1.9
1.9
2.4
2.4
2.4
2.7
2.7
2.7
3.3
3.3
3.3
3.5
3.5
3.7
3.7
2.8
2.8
2.8
3.0
3.0
3.0
3.0
3.0
3.0
3.2
3.2
3.2
3.4
3.4
3.4
3.5
3.5
3.5
3.5
3.5
3.6
3.6
7.0
7.0
7.0
8.0
8.0
8.0
8.0
8.0
8.0
9.0
9.0
9.0
10.0
10.0
10.0
12.0
12.0
12.0
14.0
14.0
16.0
16.0
.15
.15
.15
.15
.15
.15
.20
.20
.20
.20
.20
.20
.25
.25
.25
.25
.25
.25
.30
.30
.35
.35
.20
.20
.20
.25
.25
.25
.25
.25
.25
.30
.30
.30
.30
.30
.30
.30
.30
.30
.30
.30
.30
.30
2000
2000
500
2000
2000
500
2000
2000
500
2000
2000
500
2000
2000
500
2000
2000
500
2000
500
2000
500
PHYSICAL DIMENSIONS ....
DIMENSIONS IN INCHES (mm)
NOTE:
For Gull Wing Package Change "D8" to "G8"
SCHEMATIC DIAGRAM "B"
16
SEC.
15
14
13
SEC.
12
11
10
SEC.
9
PIN#1
DOT
.880
(22.35)
MAX
"D8" PACKAGE
.280
(7.11)
MAX
.200
(5.08)
MAX
.120 .020 (.51)
(3.05) .010 (.25)
MIN
.020
(0.51)
TYP
.050
(1.27)
TYP
.100
(2.54)
TYP
.008R
(0.20)
.010
(0.25)
.300
(7.62)
.340
(8.64)
PRI.
1
2
3
4
PRI.
5
6
7
PRI.
8
"A8" PACKAGE
PIN#1
DOT
.900
(22.86)
MAX
.400
(12.70)
MAX
PIN#1
DOT
.880
(22.35)
MAX
"G8" PACKAGE
.280
(7.11)
MAX
.200
(5.08)
MAX
.250
(6.35)
MAX
.008R
(0.20)
.030 (0.76)
FLAT
.020 (0.51)
.425 (10.80)
.390 (9.90)
.010
(0.25)
TYP
.120
(3.05)
MIN
.100
(2.54)
.020 DIA
(0.51)
.020
(0.51)
TYP
.050
(1.27)
TYP
.100
(2.54)
TYP
.020 (.51)
.010 (.25)
.700
(17.78)
.300
(7.62)
Specifications subject to change without notice.
P
Premier
M
Magnetics Inc.
14
27111 Aliso Creek Road, Suite 175
Aliso Viejo, California 92656
Phone: (714) 362-4211
Fax:
(714) 362-4212
ETHERNET / CHEAPERNET LAN COUPLING TRANSFORMERS
FEATURES
Ê
Designed to meet IEEE 802.3 (10 Base 2, 10 Base 5)
Ë
Low Profile soic Type SMD Package
Ì
Low Leakage Inductance and Winding Capacitance
ELECTRICAL SPECIFICATIONS AT 25
O
C PER CORE
PART
NUMBER
TSD-470
TSD-471
TSD-472
TSD-473
TSD-474
TSD-475
TSD-842
TURNS
RATIO
(± 5%)
PRIMARY
OCL
(µH Min)
µ
PRIMARY
ET CONSTANT
(V-µsec Min)
µ
RISE
TIME
(ns Max.)
PRI / SEC
Cw/w
(pf Max)
PRI
L
L
(µH Max)
µ
DCR
(Ω Max)
Ω
PRI / SEC
HIPOT
SCHE-
Vrms Min MATIC
Í
Fast Rise Times
Î
2000Vrms Minimum Isolation
Ï
Triple Core Package
1:1
1:1
1:1
1:1
1:1
1:1
1:1
35
50
75
100
150
250
90
2.1
2.2
2.4
2.5
3.0
3.5
3.0
1.6
1.7
1.8
1.8
2.5
3.0
1.8
5.0
5.0
7.0
8.0
10.0
15.0
10.0
.10
.10
.10
.10
.20
.25
.20
.15 / .15
.15 / .15
.17 / .17
.20 / .20
.30 / .30
.30 / .30
.30 / .30
2000
2000
2000
2000
2000
2000
2000
B
B
B
B
B
B
B
VARIATIONS AVAILABLE. FOR INTERMEDIATE VALUES AND/
OR CUSTOM DESIGNS PLEASE CONSULT THE FACTORY.
SCHEMATIC DIAGRAM "B"
16
SEC.
15
14
13
SEC.
12
11
10
SEC.
9
PRI.
1
2
3
4
PRI.
5
6
7
PRI.
8
PHYSICAL DIMENSIONS ....
IN INCHES (mm)
"G1" PACKAGE
16 15 14 13 12 11 10 9
FIGURE 3:
RECOMMENDED PCB LAYOUT
DIMENSION IN INCHES, (mm)
16x.075 (1.91)
.270 (6.86)
P
TSD-XXX
M
YYWW
PIN#1
WHITE DOT
1
2
3
4
5
6
7
8
.280
(7.11)
MAX
.210
(5.33)
MAX
.050
.019 (1.27)
(0.48) TYP
TYP
Specifications subject to change without notice.
1
16x.025 (.64)
16
7x.050 (1.27)
.460
(11.68)
MAX
8
9
.010 (.25)
.004 (.10)
.020 (0.51) MIN
.370 (9.40)
.010
(0.25)
TYP
P
Premier
M
Magnetics Inc.
15
27111 Aliso Creek Road, Suite 175
Aliso Viejo, California 92656
Phone: (714) 362-4211
Fax:
(714) 362-4212
PCB Design
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