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T-18300 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN S-Interface Low Profile SMT Dual Transformers
ISDN S-Interface
Low Profile SMT
Dual Transformers
Dual - Transmit / Receive
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
Electrical Specifications (1,2,3) at 25OC
2000VRMS
Isolation
SMD P/N
Transmit
Receive
Ratio
( + 2%)
T-18300
T
R
1:2.5
1:2.5
T-18301
T
1:2
R
1:2
T-18302
T
1:2
R
1:2
T-18303
T
1:1
R
1:1
T-18304
T
1:1
R
1:2
T-18305
T
R
1:1.8
1:1.8
OCL
Pri. min.
( mH )
22
22
22
22
22
22
22
22
22
22
22
22
LL
Sec. max.
( µH )
40
40
11
11
5
5
5
5
4
5
15
15
Cw/w
max.
( pF )
100
100
100
100
85
85
100
100
100
100
100
100
CD pri
max.
( pF )
110
110
180
180
80
80
42
42
42
80
160
160
DCR pri
+ 25%
(Ω)
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
DCR sec
+ 25%
(Ω)
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.
Schematic
.018
(0.46)
TYP.
Dimensions in Inches (mm)
.960
(24.38)
MAX.
.040
(1.02)
TYP.
.100
(2.54)
TYP.
.300
(7.62)
MAX.
.022
(0.56)
TYP.
.590
(14.99)
MAX.
.080
(2.03)
.737
(18.72)
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sales@rhombus-ind.com
TEL: (714) 898-0960
.010
(0.25)
TYP.
FAX: (714) 896-0971
ISDNDLPSM 2002-01