Electrical Parameters @ 25 C
Token Ring Transceiver Module
CST7072Sa Rev. 2 4/14/97
Optimized for Texas Instrument's TMS380C60 or 30
Impedance matching from 150
to 100
or vice versa
Supports both UTP and STP Transmission
Robust Construction allows for severe soldering processes
Complies with or exceeds IEEE 802.5 Requirements
Schematic
Dimensions
A
B
C
D
E
F
G
H
I
(J)
K
L
M
N
P
Q
Dim.
.440
.250
.200
.350
.005
.050
.350
.016
.008
.050
0
.025
Min.
.460
.270
.220
Typ.
.015
Typ.
.370
.022
.012
Typ.
8
.045
Max.
.030
.050
.070
.400
Nom.
(Inches)
(Millimeters)
11.18
6.35
5.08
8.89
.127
1.27
8.89
.406
.203
1.27
0
.635
Min.
11.68
6.86
5.59
Typ.
.381
Typ.
9.40
.559
.305
Typ.
8
1.14
Max.
.762
1.27
1.78
10.16
Nom.
Package
EPT7072S
E L E C T R O N I C S I N C .
Pin 1
I.D.
C
D
E
B
F
L
A
H
P
N
M
Q
G
PCA
EPT7072S
Date Code
Pad
Layout
(J)
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
16
15 14
13
12
11 10
9
1
2
3
4
5
6
7
8
1
1
1
1
1.22
1.22
1.22
1.22
T1
T2
Primary
OCL
(H Min.)
@ 100 KHz,
0.1 Vrms
Interwinding
Capacitance
(pF Max.)
@ 100 KHz,
0.1 Vrms
Leakage
Inductance
(H Max.)
@ 100 KHz,
0.1 Vrms
ET Product
(VS Min.)
Rise Time
(nS Max.)
DCR
(
Max.)
Pri.
Sec.
250 30%
15
0.20
0.40
K
I
2.5
2.5
Isolation : 1500 Vrms
Pri.
Sec.
Product performance is limited to specified parameters. Data is subject to change without prior notice.
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