T-33003/T-33004 Compatible with 56 kb/s Technologies
Impedance matching transformers
for telecommunications.
Ideal for PCMCIA Type II
data/fax modem cards
V.32 bis/V.17 14400 bps applications
Longitudinal Balance is 60dB minimum
Designed to meet FCC Part 68
Custom Designs Available
Electrical Specifications at 25
O
C
Parameter
Impedance
R Load
Turns Ratio
Direct Current in Pri. (DCI)
DC Resistance
PRI.
SEC.
+ 2%
maximum
PRI. + 10%
SEC. + 10%
max., ref. 1 kHz
min., 300 Hz to 3.5 kHz
minimum
T-33001
600
346
1:1
0
127
150
3.3
25
60
200Hz - 4kHz
+ 0.25
-76
1000
B
T-33002
600
346
1:1
0
127
150
3.3
25
60
200Hz - 4kHz
+0.25
-76
1000
B
T-33003
600
392
1:1
0
105
112
2.35
20
T-33004
600
294
1:1
0
180
156
2.7
30
mA
Ω
Ω
dB
dB
dB
Units
Ω
Ω
PCMCIA Modem Transformers
Schematic
Style "B"
Schematic
Style "C"
1
PRI
6
SEC.
2
PRI
SEC.
9
3
4
4
7
Insertion Loss
Return Loss
Longitudinal Balance
60
60
300Hz - 3.5kHz 300Hz - 3.5kHz
+ 0.25
-76
1650
C
+0.25
-83
1000
C
Frequency Response
Total Harmonic Distortion
Isolation
Schematic Style
300 Hz to 3.5 kHz
typ. 600 Hz, -10 dBm
minimum
dB
dB
V
RMS
Dimensions in Inches (mm)
T-33001
Package
.050
(1.27)
.520
(13.21)
.400
(10.16)
1
2
3
6
.330
5
(8.38)
4
1
2
3
T-33003 & T-33004
Package
6
7
8
9
10
5
4
2
1
T-33002
Package
.164
(4.17)
.520
(13.21)
.400
(10.16)
6
.330
5
(8.38)
4
.079
(2.00)
TYP.
.164
(4.17)
.020
(0.50)
TYP.
.660
(16.76)
MAX.
.660
(16.76)
MAX.
.027
(0.69)
.768
(19.50)
.172
(4.37)
MAX.
.053
(1.35)
PCMCIA2 - 10/98
Terminal #1 Indicator
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
Rhombus
Industries Inc.
2
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
RHOMBUS-IND [ Rhombus Industries Inc. ]
