U Interface Transformer (2B1Q Coding Applications)
Designed for use with National TP 3410
Turns Ratio ( + 3 % ) (Line : Chip)
PARAMETER MIN. MAX.
1.50 : 1
UNITS
Primary Inductance (Line Side)
Pins 4 to 2 with 1 & 5 shorted.
25.4
28.6 20 3.0
mH ohms ohms VRMS
REINFORCED INSULATION
Primary DC Resistance Secondary DC Resistance Isolation (Hi-Pot) DC Bias Return Loss 10KHz & 25 KHz Longitudinal Balance (281 Hz to 40 KHz)
NOTE: Operating Temp. Range -400C to +850C Primary is Line Side (Pins 1,2,4,5) Secondary is Chip Side (Pins 7,8,9) Surge Voltage Capability Metallic Voltage: 800 V peak, 10/560 µS Longitudinal Voltage: 2400 V peak, 10/700 µS
3000 60 20
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
mA dB
55
dB
Physical Dimensions inches (mm)
Schematic Diagram PR I lin e SEC d e vice
Notch Indicates Pin #1
RHOMBUS P/N: T-13224 CUST P/N: DATE: 7/2/96 NAME: SHEET: 1 of 1
Rhombus Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971
www.rhombus-ind.com
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