10/100 BASE-T QUAD SMD TRANSFOMER MODULES
FEATURES
!
Designed for 10 Base-T QUAD Port IEEE 802.3
"
Versions For Support of most leading Chip Sets.
#
Provides the Cable Interface, Isolation & Common Mode Filtering required by the PMD Sublayer.
$
Space Efficient 40-Pin Surface Mount Package.
ELECTRICAL SPECIFICATIONS AT 25
O
C
PART
NUMBER
PM-8050
PM-8051
TURNS RATIO
(PRI:SEC ± 5%)
RCV
XMIT
PRIMARY
OCL
(µH Min.)
µ
PRI / SEC
L
L
(µH Max.)
µ
PRI-SEC
Cw/w
(pf Max.)
PRI
DCR
(Ω Max.)
Ω
Hi-Pot
1 min.
(Vrms)
CMC
Schematic
Diagram
1:1
1:1
1ct:1ct
1ct:1ct
100
100
0.30
0.30
12
12
.30
.30
2000
2000
NO
YES (1)
A
B
(1) Common Mode Choke: 36µHY MIN.
SCHEMATIC DIAGRAM "A"
29
26
24
30
28
27
25
23
39
36
34
40
38
37
35
33
32
31
13
14
18
11
10
12
15
16
17
19
TX4
22
TX4
21
22
19
RCV3
RCV1
TX1
RCV2
TX2
SCHEMATIC DIAGRAM "B"
39
36
34
31
29
TX3
26
RCV4
24
40
38
37
35
33
32
30
28
27
25
10
12
15
17
23
11
13
14
16
RCV1
RCV2
RCV3
PHYSICAL DIMENSIONS ...................
IN INCHES (mm)
40
21
RECOMMENDED P.C.B. LAYOUT
P
M
PIN #1
I.D.
1
PIN#1
DOT
PM-805X
YYWW
20
1.125
(28.58)
MAX
.480
(12.19)
40
RCV4
TX1
TX2
TX3
18
.480
(12.19)
1
.090 (2.29)
40-PLACES
.050 (1.27)
19-PLACES
.225
(5.71)
MAX
.018
(0.46)
.950
(24.13)
.050
(1.27)
TYP
.015 (.38)
.005 (.12)
.045 (1.14)
FLAT
.020 (0.50)
.640 (16.26)
.590 (14.98)
.010
(0.25)
TYP
.950
(24.13)
.030 (0.76)
40-PLACES
Specifications subject to change without notice.
P
Premier
M
Magnetics Inc.
30
27111 Aliso Creek Road, Suite 175
Aliso Viejo, California 92656
Phone: (714) 362-4211
Fax:
(714) 362-4212
20
4
1
2
3
5
6
7
8
9
21
20
2
5
3
4
7
8
1
6
9
21
PMI [ PREMIER MAGNETICS, INC. ]
