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
PMI [ PREMIER MAGNETICS, INC. ]
