For other values & Custom Designs, contact factory.
Specifications subject to change without notice.
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
Rhombus
Industries Inc.
34
DIGAUDIO - 2/98
T-10252 & T-10352
SCHEMATIC
5
3
1
6
4
2
PRI.
SEC.
T-10247 & T10347
SCHEMATIC
PRI.
SEC.
2
1
4
3
Digital Audio
Data Transmission
Transformers
These Transformers provide excellent DC
isolation and common mode noise rejection
Designed to improve and maintain the balance
of the transmitter and receiver circuitry.
Designed for low cost.
High voltage isolation
Available in Surface Mount Versions
Custom Designs and Variations
of these transformers available
Electrical Specifications at 25
O
C
1. @ 1MHz in 100
Ω
System
2.
T-10247
: For Use with Crystal Semiconductor's
integrated circuits CS8401, CS8402.
For Surface
Mount Version Order Part Number T-10347
3.
T-10252
: For Use with Echelon Neuron integrated circuits 3120
and 3150 Chips produced by Motorola and Toshiba.
For Surface Mount Version Order Part Number T-10352
Flammability: Materials used in the
production of these units meet requirements
of UL94-VO & IEC 695-2-2 needle flame test.
Turns Ratio 1:1
+
5% 1CT:1CT + 5%
Inductance 100 kHz & 0.1V
RMS
2.5 + 20% 5.0 + 30% m H
Leakage Inductan ce 100 kHz & 0.1V
RMS
0.5 max. 1.2 max.
µ
H
Rise Time 25 max. 25 max. nS
DC Resistance 0.7 max. 1.0 max.
Ω
Isolation (HI-POT) 2000 min. 2000 min. V
RMS
ET Product 20 25 V
µ
S
Common Mode Rejection
(1)
70 min. 70 typ. dB
Return Loss 100Hz to 100kHz 15 min. 15 typ. dB
Operating Temperature Range -40
0
to +85
0
0
0
to +70
00
C
"T6"
Package P/N T-10247
(2)
T-10252
(3)
Parameter
SMD
Package P/N T-10347 T-10352 Units
"T6" Package
T-10247 & T-10252
Surface Mount Package
T-10347& T-10352
Tape & Reel Available
MAX.
.260
(6.60)
MAX.
.300
(7.62)
MAX.
.410
.020
(0.51)
.100
(2.54)
TYP.
.010
(0.25)
.510 (12.95)
.480 (12.19)
MAX.
.410
(10.41)
.040
(1.02)
TYP.
TYP.
(10.41)
TYP.
Parts shipped in anti-static tubes.
50 pieces per tube
.35 0
(8.89)
MAX.
.250
MAX.
(6.35)
.080
(2.03)
.020 DIA.
(0.51)
TYP.
.120
(3.05)
MIN.
.100
(2.54)
TYP.
.500
(12.7 0)
MAX.
.340
(8.64)
.400
(10.16)
Physical Dimensio ns
in inches (mm)
(Unused Pins Omitted)
For Complete Details including
PDF Catalogs & Data Sheets on this
and other product families visit
www.rhombus-ind.com