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T-10400 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN S-Interface Transformers
ISDN S-Interface
Transformers
Electrical Specifications 1,2,3,4 at 25OC
Isolation (Min.)
2000 VRMS
Part. No.
4000 VRMS
Part. No.
Turns OCL min.
Ratio
Pri
( + 2%) ( mH )
Meets the Pulse Waveform Template of CCITT I.430
when recommended Transformer and Chip pair are used.
Excellent Longitudinal Balance 2kVRMS & 4kVRMS min. Isolation
LL max.
Sec.
( µH )
C
W/W
max.
( pF )
CD pri.
max.
( pF )
DCR Pri. DCR Sec.
+ 15% + 15% Schem.
(Ω)
( Ω ) Style
T-10400 T-10450 1:1
22
5
100
40
2.4
2.4
A
T-10401 T-10451 1:1.8 22
15
100
140
2.5
4.2
B
T-10402 T-10452 1:2
22
15
100
80
2.3
4.0
A
T-10403 T-10453 1:2.5 22
30
100
150
2.5
5.8
B
T-10404 T-10454 1:2.5
22
15 / 40 100
110
2.5
5.8
C
T-10405 T-10455 1:2
22
11
100
180
2.5
5.0
A
1. Primary is Line Side
2. OCL: Primary Inductance
@10 kHz and 700 mV
3. Unbalanced current at
TE: ∆ Idc = 1 mA max.
4. Longitudinal Conversion
Loss 10KHz to 300 KHz
60dB min.
Schematic "A"
P ri
Sec
Schematic "B"
P ri
Sec
Schematic "C"
Pri
Sec
All of the above parts are
available as Surface
Mount components.
For Surface Mount part
number replace the second
digit of thru hole part
number with "3".
( i.e. T-10400 = T-13400)
NOTE: Unused Pins Omitted as per Schematic Diagrams
Surface Mount Package, T-134XX
Tape and Reel Available
Specifications subject to change without notice.
Rhombus
Industries Inc.
For other values & Custom Designs, contact factory.
ISDN-SNG - 9/97
15801 Chemical Lane, Huntington Beach, CA 92649-1595
13
Tel: (714) 898-0960 • Fax: (714) 896-0971