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T-10550_99 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN S-Interface Transformers
ISDN S-Interface
Transformers
Dual - Transmit / Receive
T-1050X 2000V Series
UL 1459 Recognized R
Meets the Pulse Waveform Template
of CCITT I.430when recommended
Transformer & Chip pair are used.
Excellent Longitudinal Balance
2000V & 4000V RMS min. Isolation Versions
Electrical Specifications (3,4) at 25OC
4000VRMS
Isolation
SMD P/N
2000VRMS
Isolation R
SMD P/N
Transmit
Receive
T-10550 T-10500
T
R
T-10551 T-10501
T
R
T-10552 T-10502
T
R
T-10553 T-10503
T
R
T-10554 T-10504
T
R
T-10555 T-10505
T
R
T-10556
T-10506
T
(2400VRMS Isolation) R
1) Primary is Line Side
2) OCL @10 KHz and 700 mV, except
T-10506, T-10556 voltage is 500mV
3) Unbalanced current
at TE: ∆ Idc = 1 mA max.
4) Longitudinal Conversion Loss:
10 kHz to 300 kHz is 60dB min.
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
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
Schematic T-10500 thru T-10505
and T-10550 thru T-10555
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.
Schematic T-10506 & T-10556
Package Dimensions in Inches (mm)
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
ISDNDUAL - 4/99
15801 Chemical Lane, Huntington Beach, CA 92649-1595
14
Tel: (714) 898-0960 • Fax: (714) 896-0971