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CF455H
Aluminium Housed Power Resistors Type CFH Series Type CFH Series Characteristics Electrical The CFH is a high quality range of aluminium housed power resistors offering environmental protection to IP55, 6kV dielectric strength, 1.8kW power dissipation, and the ability to absorb electrical pulses of up to 24kJ. The use of advanced materials in the construction of this device enables operating temperatures of up to 450ºC giving very high power density. Dissipation @ 25°C with Heatsink (Watts): Without Heatsink: With Water Cooled Heatsink (40°C): Overload Rating (5s): Ohmic Value Min (Ohms): Max: Tolerance: Maximum Working Voltage (DC/ACrms) Volts: Insulation Resistance (Volts): Dielectric Strength (AC peak) Volts: Inductance (Henries): Standard Heatsink area (mm2): Thickness (mm): Protection Grade (IP): Mounting: Cable Length: Weight (g): Heat Dissipation: Key Features I 2200W in a 72cm2 footprint • Unparalleled power density of 31W/cm2 I Impressive Pulse Capability • Large active element can absorb up to 24kJ I CFH500 CFH750 CFH1100 850 1300 1800 500 750 1100 1000 1500 2200 5600 8000 12000 0R5 0R5 0R5 18K 27K 27K ±5% Standard 1500 2500 3500 4000 >=10000 MΩ 4500 standard and 6000 special 5-50 µH at 7-70 µH at 10-100 µH at 20-200 µH at 1000 Hz 1000 Hz 1000 Hz 1000 Hz 1600 1600 1600 1600 135 135 135 135 IP55 Vertically 300mm 460 670 920 1250 Although the use of proprietary heat sinks with lower thermal resistance is acceptable, up rating is not recommended. The use of proprietary heat sink compound to improve thermal conductivity is essential. Dimensions lf 30 A ø6.2 No Heatsink Required • Dissipates up to 950W in free air I CFH350 650 350 750 4000 0R5 10K Slimline Casing • 30mm casing height for design flexibility I 82 ±2 71 95 Environmental Protection to IP55 • Reliable in the harshest conditions B Applications I I I I I I I I Braking Balancing Capacitor Charging & Discharging Crowbar Filter Power Supplies Electrical Machinery Inrush Limiting Literature No. 1773318 Issued: 02-06 Type CFH350 CFH500 CFH750 CFH1100 A 110 mm 160 mm 220 mm 320 mm B 60 mm 110 mm 140 mm 240 mm Dimensions are shown for reference purposes only. Dimensions are in millimetres unless otherwise specified. Specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com
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