English
Language : 

T-13200 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN U-Interface Transformers
ISDN U-Interface Transformers
For both 2B1Q & 4B3T ISDN U-Interface Applications
Excellent Longitudinal Balance
Designed for use with leading Transceiver Chips
Meets key parameters of ANSI T1.601-1992
Isolation 2000VRMS Minimum
Higher Isolation Models Available
Electrical Specifications at 25OC
Part
Number
Turns OCL1+6% Line
Ratio
Pri
Side
( + 3 % ) ( mH ) Pins
T-13200
1:1
22 2-11
T-13201 1:1.5
22 2-11
T-13202 1:1.8
22 2-11
T-13203
1:2
22 2-11
T-13204 1:2.5
22 2-11
T-13205 1.50:1
27.0 5-7
T-13216 1.50:1
35.0 5-7
T-13226 1.32:1
7.9 5-7
T-13227 1.65:1
14.5 5-7
T-13229 1.60:1
14.5 5-7
T-13230 1.50:1
14.5 5-7
T-13231 2.0:1
27.0 5-7
1DCR
max.
(Ω)
6.0
6.0
6.0
6.0
6.0
10.0
10.0
2.5
3.0
3.5
3.0
7.0
2DCR
max.
(Ω)
7.0
11.5
13.5
18.5
28
5.0
5.0
2.0
2.0
3.0
2.0
3.0
DC
Bias
(mA)
60
60
60
60
60
60
60
60
80
60
60
80
Coding
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
4B3T
2B1Q
2B1Q
2B1Q
2B1Q
Isolation
(VRMS)
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
Schem.
Style
A
A
A
A
A
B
B
B
B
B
B
B
2
Line 1
Side 12
11
2
Chip
Side
11
Schematic
"A"
Schematic
"B"
5
6 Chip
7 Side
8
5
8 Line
6 Side
7
1Line Side
2Device Side
NOTE: (For All Parts)
OCL Tested @10 kHz / 700 mV,
on Line Side
pins 1&12 shorted for Schem. "A";
pins 8&6 for Schem. "B."
Operating Temp. Range -400C to +850C
Primary is Line Side
Secondary is Chip Side
Surge Voltage Capability:
Metallic Voltage: 800 V peak, 10/700 µS
Longitudinal Voltage: 2400 V peak, 10/560 µS
Longitudinal Balance (2B1Q Coding)
281 Hz to 40 KHz 55 dB min.
> 40 KHz
-20 dB/decade
Longitudinal Balance (4B3T Coding)
5 KHz
20 dB min.
20 KHz to 150 KHz 40 dB min.
1 MHz
36 dB min.
Return Loss
10 and 25 KHz 20 dB min.
For Complete Details including
PDF Catalogs & Data Sheets on this
and other product families visit
www.rhombus-ind.com
Manufacturer
I.C.
Transformer
Name
Part Number Part#
AMD
AM 20902
T-13226
AMD
AM2091 (C) T-13229
AT&T
T7262/63
T-13230
Mietec
MTC 2071
T-13226
Mitel
MT 8910
T-13227
Motorola
MC145472
T-13231
National
TP 3410
T-13205
Siemens
PEB 2090
T-13226
Siemens
PEB 2091 (C1) T-13229
SGS-Thomson ST5410
T-13205
SGS-Thomson STLC5411
T-13216
Package Physical Dimensions
in inches (mm)
Specifications subject to change without notice.
Rhombus
Industries Inc.
RM-8 Package
For other values & Custom Designs, contact factory.
ISDN-URM - 10/97
15801 Chemical Lane, Huntington Beach, CA 92649-1595
18
Tel: (714) 898-0960 • Fax: (714) 896-0971