RHOMBUS-IND T

U Interface Transformer (2B1Q Coding Applications)
Designed for use with Motorola MC145472
Turns Ratio ( + 3 % ) (Line : Chip)
2.00 : 1
PARAMETER
MIN.
MAX.
UNITS
Primary Inductance (Line Side)
25.4
28.6
mH
Primary DC Resistance
11.6
ohms
Secondary DC Resistance
6.4
ohms
Flammability: Materials used in
the production of these units
meet requirements of UL94-VO
and IEC 695-2-2 needle flame
test.
Pins 1 to 5 with 2 & 4 shorted.
Isolation (Hi-Pot)
2000
DC Bias
VRMS
60
A Surface Mount Version of this
part is available
add suffix "G" to part number
mA
Return Loss 10KHz & 25 KHz
20
dB
Longitudinal Balance
(281 Hz to 40 KHz)
55
dB
NOTE:
Operating Temp. Range -400C to +850C
Primary is Line Side (Pins 1,2,4,5)
Secondary is Chip Side (Pins 7,8,9)
Physical Dimensions
inches (mm)
Surge Voltage Capability
Metallic Voltage: 800 V peak, 10/560 µS
Longitudinal Voltage: 2400 V peak, 10/700 µS
Schematic Diagram
PRI
lin e
SEC
d e vice
Notch Indicates Pin #1
RHOMBUS P/N: T-13209
CUST P/N:
DATE: 7/2/96
Rhombus
Industries Inc.
Transformers & Magnetic Products
NAME:
SHEET:
1 of 1
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com