T-1238 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN U-INTERFACE TRANSFORMER

ISDN U-INTERFACE TRANSFORMER
Turns Ratio (5-1) : (9-7) (connect 6-10)
1 : 1.5
PARAMETER
Primary Inductance ¹
Pins 9 to 7 with 6 & 10 shorted.
Leakage Inductance
9-7 connect 6 + 10and 5 + 1
DC Resistance (5-1)
DC Resistance (9-7) (connect 6-10)
Isolation (Hi-Pot) (Pri to Sec)
Longitudinal Balance
(40 KHz)
1.. 1.0 kHz , 0.1 Vac, 30 mA dc.
MIN.
77.0
100
5.2
12.35
1500
70
.470
(11.94)
MAX.
.100
(2.54)
MIN.
MAX.
86.0
172
UNITS
mH
µH
5.6
13.55
ohms
ohms
V_RMS
dB
1.070
(27.18)
REF.
.900
(22.86)
REF.
Flammability: Materials used in
the production of these units
meet requirements of UL94-VO
and IEC 695-2-2 needle flame
test.
A Surface Mount Version of this
part is available
add suffix "G" to part number
Use with Lucent Technologies
chip sets T7256, T7234, T7237,
and T7264.
.920
(23.37)
MAX.
.040
(1.02)
TYP.
.150
(3.81)
TYP.
10
1
Bottom View
9
2
8
3
7
4
6
5
Terminal Dimensions
.020 (.051) X .040 (1.02) Typical.
.800
(20.32)
Termination Numbers for Reference Only.
Physical Dimensions
inches (mm)
Schematic Diagram
Pri
Sec
9
5
6
10
1
7
Rhombus
Industries Inc.
Transformers & Magnetic Products
Notch Indicates Pin # 1
RHOMBUS P/N: ^T-1238
CUST P/N:
NAME:
DATE: 4/28/99
SHEET:
1 of 1
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: [phone]
www.rhombus-ind.com
FAX: [phone]