UL 1950 Recognized
Turns Ratio Parameter Inductance 1 1-4 (Tie 2+3) Leakage Inductance 2 1-4(Tie 2+3, 8+9, 10+7) Interwinding Capacitance DC Resistance 1-3 or 2-4 DC Resistance 10-8 or 9-7 Frequency Response 30k - 2MHz Longitudinal Balance 20k - 1MHz Hi-Pot Primary to Secondary
3
R
1:1 Min. 387.1 Typ. 407.5 Max. 427.8 10 25 0.72 0.61 3.0 55 1875 Units µH µH
DSL Transformer
Schematic Diagram
pF Ω Ω dB dB VRMS 4 7 3 2 8 9 1 10
Impedance 100Ω Pri. with 100Ω Sec Total Harmonic Distortion 85dB Min. 100kHz, 15Vp-p drive signal at PRI 1 10kHz and 100mV 2 100kHz and 100mV 3 10kHz and 1V
Designed to meet the supplementary insulation requirements of UL1950 for a working voltage of 250V
.536 (13.61) MAX.
.550 (13.97) MAX.
Materials used in construction of this component meet or exceed UL Class B and can be operated up to 130oC
.525 (13.34) MAX.
PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS
.210 (5.33) TYP. .100 (2.54) TYP.
10 9 8 7 6
.400 (10.16) TYP.
Bottom View
1 2 3 4 5
Dimensions in Inches (mm)
Pin Diameter is 0.025 (0.64)
RHOMBUS P/N: T-1328 CUST P/N: DATE: 09/30/00 NAME: SHEET:
R hombus Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 www.rhombus-ind.com FAX: (714) 896-0971
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