Meets the Pulse Waveform Template
of CCITT I.430when recommended
Transformer & Chip pair are used.
ISDN S-Interface
Transformers
Excellent Longitudinal Balance
Dual - Transmit / Receive
2000V & 4000V RMS min. Isolation Versions
T-1050X 2000VSeries
R
UL 1459 Recognized
(3,4)
O
Electrical Specifications
at 25 C
4000VRMS
Isolation
SMD P/N
2000VRMS
Isolation
SMD P/N
OCL (1, 2)
L
Cw/w
max.
( pF )
CD pri
max.
( pF )
DCR pri
+ 15%
( Ω )
DCRsec
+ 15%
( Ω )
Transmit
Receive
Ratio
(+2%)
Pri. min. Sec. Lmax.
R
( mH )
( µH)
T-10550
T-10551
T-10552
T-10553
T-10554
T-10555
T-10556
T-10500
T-10501
T-10502
T-10503
T-10504
T-10505
T-10506
T
R
1:2
1:1
22
22
15
5
100
100
80
40
2.3
2.4
4.0
2.4
T
R
1:1
1:1
22
22
5
5
100
100
40
40
2.4
2.4
2.4
2.4
T
R
1:1.8
1:2.5
22
22
15
30
100
100
140
150
2.5
2.5
4.2
5.8
T
R
1:2
1:2
22
22
15
15
100
100
80
80
2.3
2.3
4.0
4.0
T
R
1:2.5
1:2.5
22
22
15 - 40
15- 40
100
100
110
110
2.5
2.5
5.8
5.8
T
R
1:2
1:2
22
22
11
11
100
100
180
180
2.5
2.5
5.0
5.0
T
R
1:2.5
1:2.5
22
22
4
4
100
100
100
100
2.3 max. 5.8 max.
2.3 max. 5.8 max.
(2400VRMS Isolation)
1) Primary is Line Side
Schematic T-10500 thru T-10505
and T-10550 thru T-10555
2) OCL @10 KHz and 700 mV, except
T-10506, T-10556 voltage is 500mV
Schematic T-10506 & T-10556
3) Unbalancedcurrent
at TE: ∆ Idc = 1 mA max.
4) LongitudinalConversionLoss:
10 kHz to 300 kHz is 60dB min.
Package Dimensions in Inches (mm)
For other values & Custom Designs, contact factory.
15801ChemicalLane,Huntington Beach,CA 92649-1595
Specifications subject to change without notice.
ISDNDUAL - 4/ 99
Rhombus
Industries Inc.
14
•
Tel: (714) 898-0960 Fax: (714) 896-0971