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StandexMeder Electronics GmbH
100 W - 500 W Planar Transformers Serie 075

100 W - 500 W Planar Transformers Serie 075

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100 W - 500 W Planar Transformers Serie 075

Product catalog summary

Electrical Specifications

Topology: Forward
Temperature Rise: Hotspot with external heatsink, maximum +40.5°C
Input Voltage: 47-100VDC
Minimum Isolation Voltage: Primary to Core 500VDC, Secondary to Primary and Core 1500VDC
Output Voltage/Current After Rectification: 100W (20VDC/5A)
Turns Ratio (Np/Ns): 10T/10T
Switching Frequency: 150kHz
Primary Inductance (Np, Min.): 250µH
Duty Cycle: 45.0% at Vin=47V, 21.0% at Vin=100V with 1V output diode drop
Efficiency at Full Power: 98.2% (1.8W losses)
Ambient Temperature, Max.: +70°C
Weight Range: 20-70 grams

Design Notes

Custom through-hole forward design available
Patented surface mount header available
Options for through-hole or surface mount

Component Specifications

Primary Resistance (Np, Max.): 25mOhm
Secondary Resistance (Ns, Max.): 30mOhm
Leakage Inductance: 0.4µH (1-2/3-4 shorted, typical)

Catalog excerpts

100 W - 500 W Planar Transformers Serie 075-1

SOLUTIONS | Planar Transformers & Inductors TRANSFORMER DESIGN | EXAMPLE - PQC2018 SIZE 075 100W-500W DESIGN EXAMPLE ELECTRICAL SPECIFICATIONS Topology Input Voltage Output Voltage/Current After Rectification Turns Ratio - Np/Ns Switching Frequency Duty Cycle at Vin=47V, 1V Output Diode Drop Duty Cycle at Vin=100V, 1V Output Diode Drop Efficiency At Full Power Calculated Ambient Temp, Max. Temp. Rise, Hotspot External Heatsink, Max. +40.5°C Minimum Isolation Voltage Primary To Core 500VDC Secondary To Primary And Core 1500VDC Leakage Inductance 1-2/3-4 Shorted, Typ. 0.4pH NOTES: 1) CUSTOM THROUGH HOLE FORWARD DESIGN 2) PATENTED SURFACE MOUNT HEADER AVAILABLE 3) THROUGH-HOLE OR SURFACE MOUNT AVAILABLE

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100 W - 500 W Planar Transformers Serie 075

100 W - 500 W Planar Transformers Serie 075

Catalog excerpts

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