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T-998NC Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – DDS Aplications Pulse Transformers
PARAMETER
Turns Ratio
1 : 1 +1%
Line Impedance
143
Inductance (Line Side)
40 Min
Leakage Inductance 10 kHz - 0.5VRMS 40 Max.
Primary DC Resistance
2.9 Typ.
Secondary DC Resistance
5.9 Typ.
Frequency Response
1 kHz - 200 kHz
1.0 Max.
Insertion Loss @ 10kHz
0.5 Typ.
Isolation (HI-POT)
1875
Primary DC
0
Return Loss @ 1 kHz - 200 kHz 15 Typ.
Longitudinal Balance 200 - 1000 Hz 40 Typ.
15 kHz 35 Typ.
Interwinding Capacitance
10 kHz - 1 VRMS
65 Max.
.550
(13.97)
MAX.
.536
(13.61)
MAX.
UNITS
Ω
mH
µH
Ω
Ω
dB
dB
VRMS
mA
dB
dB
dB
pF
T-998NC
DDS Aplications
Pulse Transformers
Designed to meet the requirements
of Bellcore TR-NWT-000499,
Synchronous Digital Data
Interface-64 Kbps and Subrates
Recomended for use with level
one LXT441
Custom versions of this
transformer are available.
A Surface Mount version of this
transformer is available
Compatible with Level One
transceiver ICs
SCHEMATIC DIAGRAM:
1
10
3
8
5
Primary
6
Secondary
.525
(13.34)
MAX.
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
.100
(2.54)
TYP.
10 9 8 7 6
Bottom
View
.210
(5.33)
TYP.
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
Physical Dimensions in inches (mm)
1234 5
Rhombus
Industries Inc.
Transformers & Magnetic Products
4/15/98
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
www.rhombus-ind.com
FAX: (714) 896-0971