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
Í Fast Rise Times
Î 2000Vrms Minimum Isolation
Ì Low Leakage Inductance and Winding Capacitance Ï Triple Core Package
ELECTRICAL SPECIFICATIONS AT 25OC PER CORE
TURNS
RATIO
(±5%)
PRIMARY
OCL
(µH Min)
PRIMARY
ET CONSTANT
(V-µsec Min)
RISE
TIME
(ns Max.)
PRI / SEC
Cw/w
(pf Max)
PRI
LL
DCR
(Ω Max)
PART
NUMBER
HIPOT
Vrms Min MATIC
SCHE-
(µH Max) PRI / SEC
TSD-470
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
.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
TSD-471
TSD-472
TSD-473
TSD-474
TSD-475
TSD-842
8.0
10.0
15.0
10.0
VARIATIONS AVAILABLE. FOR INTERMEDIATE VALUES AND/
OR CUSTOM DESIGNS PLEASE CONSULT THE FACTORY.
SCHEMATIC DIAGRAM "B"
15
14
13
11
16
9
12
10
SEC.
SEC.
SEC.
PRI.
PRI.
PRI.
1
2
3
4
5
6
7
8
PHYSICAL DIMENSIONS .... IN INCHES (mm)
FIGURE 3: RECOMMENDED PCB LAYOUT
DIMENSION IN INCHES, (mm)
"G1" PACKAGE
16 15 14 13 12 11 10
9
16x.075 (1.91)
16x.025 (.64)
.270 (6.86)
1
16
7x.050 (1.27)
TSD-XXX
P
M
YYWW
PIN#1
WHITE DOT
1
2
3
4
5
6
7
8
.460
(11.68)
MAX
.280
(7.11)
MAX
.210
(5.33)
MAX
8
9
.010
(0.25)
TYP
.050
(1.27)
TYP
.010 (.25)
.004 (.10)
.019
(0.48)
TYP
.020 (0.51) MIN
.370 (9.40)
Specifications subject to change without notice.
27111AlisoCreekRoad, Suite175
AlisoViejo,California92656
Phone: (714)362-4211
Premier
Magnetics Inc.
P
15
M
Fax:
(714)362-4212
PMI [ PREMIER MAGNETICS, INC. ]
