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Ausgabe / Issue : 31/10/2000 Precision Resistors Typ / type A-H Technical data available resistance values version A-H1 tolerances temperature coefficient tcr ( R > 20mOhm ) applicable temperature range load capacity thermal resistance to aluminium base plate thermal resistance to ambience dielectric withstanding voltage inductance (R = 10mOhm) stability (at 125Cfoil temperature) (1,2,5,10, 22,50,100,200 ,500) mOhm (1, 2, 5, 10, 20,100) Ohm 0.1%, 0.5%, 1% < 10ppm/K ( 20C to 60C ) -55C to +125C 10W with heatsink provided Rth < 3K/W 15K/W 500VAC < 10nH deviation <0.1% after 2,000h Remarks: - please note that the above standard values are available - Tolerance 0.1% for values from 5 mOhm The Resistor type A-H with its isolated current and voltage connections configured as a four-terminal resistor ( i.e., Kelvin connection ) is ideally suited for precise current measurement, current limitation or regulation in power units, current sources, and electronic loads. It is also applied for current measurements in pulse width modulated ( PWM ) control circuits for inductive users such as servo and stepper motors and solenoid driver circuits. R/R20 [%] 1 0.5 -40 -20 20 40 60 80 100 120 T [oC] -0.5 -1 Design in foil technique and application of precision resistance alloy MANGANIN warrants for a long-term stability. By optimization of the shape, a high load capacity was obtained while maintaining accuracy and low inductance. The low thermal resistance to the aluminum base plate of < 3 K/W permits loading up to 10 W with only little self-heating. Temperaturabhangigkeit des elektrischen Widerstandes von MANGANIN-Widerstanden temperature dependence of the electrical resistance of MANGANIN-resistors P / P Nenn 1 0.75 0.5 0.25 0 20 40 60 80 100 120 TU / [oC] power derating curve Technische Anderungen vorbehalten - technical modifications reserved A-H 1 / 2 Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com RHOPOINT COMPONENTS LTD Ausgabe / Issue : 31/10/2000 Precision Resistors Typ / type A-H version A-H1 with standard terminal F1-K2 version A-H2 with standard terminal F1-K2 type A-H2 ordering code A-H2-R005-F1-K2-0.1 resistance value terminal 5 mOhm F1-K2 tolerance 0.1% Technische Anderungen vorbehalten - technical modifications reserved A-H 2 / 2 Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX, ENGLAND Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com RHOPOINT COMPONENTS LTD |
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