MSDSL Transformer
Supplementary Insulation Requirements of IEC950
Schematic Diagram
Turns Ratio (10-7) : (1-4) Shorted 2+3, 8+9 Turns Ratio (1-3) : (2-4) Parameter
1
2 : 1 +1% 1 : 1 +1% Min. 7.0 28 15 0.46 0.46 1.10 1.10 2400 0.20 55 15 Typ. Max. 13 52 µH ohms ohms ohms ohms VRMS dB dB Units mH mH
Inductance 1-4 (shorted 2+3) Inductance 10-7 (shorted 8+9) Leakage Inductance 1-4 Shorted 2+3, 8+9, 10+7
2
1 3 2 4
10 8 9 7
Resistance pins (1-3) Resistance pins (2-4) Resistance pins (10-8) Resistance pins (9-7) Isolation (Hi-Pot) PRI - SEC Insertion Loss at 100k Per IEEE method, (22.1 ohm load) Longitudinal Balance 20 - 200kHz Per ITU method (L->M)
THD, Total Harmonic Distortion: 81 dB typ., 10kHz, 3.53Vrms, 22.1 ohm load, 100 ohm input ( shorted 2+3, 8+9).
1. Tested at 10 KHz & 100 mV 2. Tested at 100 KHz & 100 mV
10 9 8 7 6
.148 (3.75) .11 (2.8)
.079 (2.0)
1
2
3
4
5
.787 (20.0)
.148 (3.75) TYP.
.039 (1.00) TYP. .854 (21.7) MAX. .012 (0.30) TYP. .81 (20.6)
.1.09 (27.7)
Suggested Solder Pad Layout
.385 (9.77)
.827 (21.0)
.07 (1.80)
Physical Dimensions
inches (mm)
RHOMBUS P/N: T-1022G CUST P/N: DATE: 02/17/98 NAME: SHEET: 1 of 1
Rhombus Industries Inc.
Transformers & Magnetic Products
FSCM No. 16714
15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971
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