ISDN U-Interface Transformers
For both 2B1Q & 4B3T ISDN U-Interface Applications
Excellent Longitudinal Balance
Manufacturer
Name
I.C.
Transformer High Isolation
P/ N
P/ N
P/ N
Motorola
Motorola
National
National
Siemens
MC145472
MC145572
TP 3410
T-13209
T-13207
T-13211
T-13212
T-13214
T-13223
T-13221
T-13224
T-13220
T-13222
T-13225
T-13219
Designed for use with leading Transceiver Chips
Meets key parameters of ANSI T1.601-1992
Isolation 2000 VRMS & 3000 VRMS Minimum
Surface Mount Versions Available
TP 3410
PEB 2091
Siemens
PEB 2090/ 20901 T-13215
SGS-Thomson
SD 5411
T-13210
Electrical Specifications at 25OC
Schematic "A"
Turns
Ratio
OCL (1, 3) Line DCR (1) DCR (2) DC
P R I
line
SE C
device
Part
Number
Pri +6%
( mH )
Side
Pins
max.
max.
Bias
Isolation Schem.
( + 3 % )
( Ω )
( Ω )
(mA) Coding
(VRMS
)
Style(3)
T-13207
T-13209
T-13210
T-13211
T-13212
T-13214
T-13215
T-13219
T-13220
T-13221
T-13222
T-13223
T-13224
T-13225
1.25:1
2.00:1
1.50:1
1.50:1
1.50:1
1.65:1
1.32:1
1.50:1
1.50:1
1.25:1
1.65:1
2.00:1
1.50:1
1.32:1
28.0
27.0
15.0
27.0
27.0
15.5
7.7
(1-5)
(1-5)
(4-2)
(4-2)
(1-5)
(1-5)
(1-5)
(4-2)
(1-5)
(1-5)
(1-5)
(1-5)
(4-2)
(1-5)
12
11.6
16
8
80
60
60
60
60
60
60
60
60
80
60
60
60
60
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
4B3T
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
2B1Q
4B3T
2000
2000
2000
2000
2000
2000
2000
3000
3000
3000
3000
3000
3000
3000
A
A
B
B
A
A
A
B
A
A
A
A
B
A
6.4
2.5
3.0
3.0
3.5
2.7
3.0
3.0
9.0
3.5
7.4
3.0
3.0
20
20
6.0
2.4
18
Schematic "B"
15.0
27.0
25.5
15.5
27.0
27.0
7.7
P R I
line
SE C
device
20
13
6.0
12.6
20
2.7
Longitudinal Balance (2B1Q Coding)
1. Line Side.
281 Hz to 40 KHz
> 40 KHz
55 dB min.
-20 dB/ decade
2. Device Side
Operating Temp. Range -400C to +850C
Primary is Line Side / Secondary is Chip Side
Surge Voltage Capability:
3. OCL Tested @10 kHz / 700 mV,
pins 2&4 shorted for Schem. "A";
pins 1&5 shorted for Schem. "B."
Longitudinal Balance (4B3T Coding)
5 KHz
20 KHz to 150 KHz
1 MHz
20 dB min.
40 dB min.
36 dB min.
3. For all parts unused Pin # 6
can be removed for keying to
Add suffix "-9"
printed circuit board.
µ
Metallic Voltage: 800 V peak, 10/ 700
S
Return Loss
10 and 25 KHz
µ
Longitudinal Voltage: 2400 V peak, 10/ 560
S
20 dB min.
1.070
(27.18)
REF.
.570
(14.48)
MAX.
.900
(22.86)
REF.
Package Physical Dimensions
in inches (mm)
.040
(1.02)
TYP.
10
9
1
2
3
4
5
Top View
1.070
.920
(23.37)
MAX.
(27.18)
REF.
8
.150
(3.81)
TYP.
.470
(11.94)
MAX.
.100
(2.54)
MIN.
.900
(22.86)
REF.
7
6
10
9
1
2
3
4
5
Bottom View
.040
.920
(23.37)
MAX.
.470
(11.94)
MAX.
(1.02)
TYP.
8
.150
(3.81)
TYP.
7
1.19
(30.23)
6
.090
(2.29)
TYP.
.800
(20.32)
.150
(3.81)
Terminal Dimensions
.020 (.051) X .040 (1.02) Typical.
1.10 (27.94)
1.04 (26.42)
Termination Numbers for Reference Only.
.080
(2.03)
For Surface Mount Versions
of all parts on this page
.180
(4.57)
Add suffix "G" to part number: T-13207G
With Pin 6 removed: T-13207-9G
For other values & Custom Designs, contact factory.
ISDN-U - 4/99
Specifications subject to change without notice.
15801ChemicalLane,Huntington Beach,CA 92649-1595
Rhombus
Industries Inc.
17
•
Tel: (714) 898-0960 Fax: (714) 896-0971