ISDN S-Interface
Low Profile SMT
Dual Transformers
Dual - Transmit / Receive
Electrical Specifications
(1,2,3)
at 25
O
C
2000V
RMS
Isolation
Transmit
Ratio
SMD
P/N
Receive
( + 2%)
OCL
Pri. min.
( mH )
Meets the Pulse Waveform Template of CCITT I.430
when recommended Transformer & Chip pair are used.
Excellent Longitudinal Balance
2000VRMS min. Isolation
Tape and Reel Available
L
L
Sec. max.
(
µH
)
Cw/w
max.
( pF )
CD pri
max.
( pF )
DCR pri
+ 25%
(
Ω
)
DCR sec
+ 25%
(
Ω
)
T-18300
T-18301
T-18302
T-18303
T-18304
T-18305
T
R
T
R
T
R
T
R
T
R
T
R
1:2.5
1:2.5
1:2
1:2
1:2
1:2
1:1
1:1
1:1
1:2
1:1.8
1:1.8
22
22
22
22
22
22
22
22
22
22
22
22
40
40
11
11
5
5
5
5
4
5
15
15
100
100
100
100
85
85
100
100
100
100
100
100
110
110
180
180
80
80
42
42
42
80
160
160
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
Schematic
5.3
5.3
4.4
4.4
4.2
4.2
2.4
2.4
2.4
4.2
3.8
3.8
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)
MAX.
.590
(14.99)
MAX.
.300
(7.62)
MAX.
.018
(0.46)
TYP.
.040
(1.02)
TYP.
.100
(2.54)
TYP.
.022
(0.56)
TYP.
.080
(2.03)
.737
(18.72)
.010
(0.25)
TYP.
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sales@rhombus-ind.com
TEL: (714) 898-0960
FAX: (714) 896-0971
ISDNDLPSM 2002-01
RHOMBUS-IND [ Rhombus Industries Inc. ]
