RHOMBUS-IND T

ISDN S-Interface
Low Profile SMT
Dual Transformers
Meets the Pulse Waveform Template of CCITT I.430
when recommended Transformer & Chip pair are used.
Dual - Transmit / Receive
Tape and Reel Available
Electrical Specifications (1,2,3) at 25OC
2000VRMS
Isolation
Transmit
Ratio
SMD P/N
Receive
( + 2%)
Excellent Longitudinal Balance
2000VRMS min. Isolation
OCL
Pri. min.
( mH )
LL
Sec. max.
( µH )
Cw/w
max.
( pF )
CD pri
max.
( pF )
DCR pri
+ 25%
(Ω)
DCR sec
+ 25%
(Ω)
T-18300
T
R
1:2.5
1:2.5
22
22
40
40
100
100
110
110
2.4
2.4
5.3
5.3
T-18301
T
R
1:2
1:2
22
22
11
11
100
100
180
180
2.4
2.4
4.4
4.4
T-18302
T
R
1:2
1:2
22
22
5
5
85
85
80
80
2.4
2.4
4.2
4.2
T-18303
T
R
1:1
1:1
22
22
5
5
100
100
42
42
2.4
2.4
2.4
2.4
T-18304
T
R
1:1
1:2
22
22
4
5
100
100
42
80
2.4
2.4
2.4
4.2
T-18305
T
R
1:1.8
1:1.8
22
22
15
15
100
100
160
160
2.4
2.4
3.8
3.8
Schematic
1) Primary is Line Side
2) Inductances measured at 10 KHz and 700 mV
3) Unbalanced current at TE: ∆ Idc = 1 mA max.
Dimensions in Inches (mm)
.960
(24.38)
.590
(14.99)
MAX.
MAX.
.300
(7.62)
MAX.
.018
(0.46)
.040
(1.02)
.100
(2.54)
TYP.
TYP.
TYP.
.022
(0.56)
TYP.
.080
(2.03)
.737
(18.72)
.010
(0.25)
TYP.
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[email protected]
TEL: (714) 898-0960
FAX: (714) 896-0971
ISDNDLPSM 2002-01