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T-13550 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN S-Interface Transformers
ISDN S-Interface
Transformers
Dual - Transmit / Receive
Surface Mount Package
Electrical Specifications (3,4) at 25OC
4000VRMS
Isolation
2000VRMS
Isolation
Transmit
SMD P/N SMD P/N
Receive
T-13550 T-13500
T
R
T-13551 T-13501
T
R
T-13552 T-13502
T
R
T-13553 T-13503
T
R
T-13554 T-13504
T
R
T-13555 T-13505
T
R
T-13556
T-13506
T
(2400V Isolation) R
RMS
Ratio
( + 2%)
1:2
1:1
1:1
1:1
1:1.8
1:2.5
1:2
1:2
1:2.5
1:2.5
1:2
1:2
1:2.5
1:2.5
Meets the Pulse Waveform Template
of CCITT I.430when recommended
Transformer & Chip pair are used.
Excellent Longitudinal Balance
2000V & 4000V RMS min. Isolation Versions
Surface Mount Replacements for
T-10500 / T-10550 families
OCL (1, 2)
LL
Pri. min. Sec. max.
( mH )
( µH )
22
15
22
5
22
5
22
5
22
15
22
30
22
15
22
15
22
15 - 40
22
15 - 40
22
11
22
11
22
4
22
4
Cw/w
max.
( pF )
100
100
100
100
100
100
100
100
100
100
100
100
100
100
CD pri
max.
( pF )
80
40
40
40
140
150
80
80
110
110
180
180
100
100
DCR pri
+ 15%
(Ω)
2.3
2.4
2.4
2.4
2.5
2.5
2.3
2.3
2.5
2.5
2.5
2.5
2.3 max.
2.3 max.
DCR sec
+ 15%
(Ω)
4.0
2.4
2.4
2.4
4.2
5.8
4.0
4.0
5.8
5.8
5.0
5.0
5.8 max.
5.8 max.
1) Primary is Line Side
2) OCL @10 KHz and 700 mV, except
T-13506, T-13556 voltage is 500mV
3) Unbalanced current
at TE: ∆ Idc = 1 mA max.
4) Longitudinal Conversion Loss:
10 kHz to 300 kHz is 60dB min.
Schematic T-13500 thru T-13505
and T-13550 thru T-13555
Schematic T-13506 & T-13556
Package Dimensions in Inches (mm)
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
ISDNDULG - 4/99
15801 Chemical Lane, Huntington Beach, CA 92649-1595
15
Tel: (714) 898-0960 • Fax: (714) 896-0971