PDF UT-xx Data sheet ( Hoja de datos )

Número de pieza	UT-xx
Descripción	Silicone Coated Power Resistors
Fabricantes	Willow Technologies
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No Preview Available ! UT Series Silicone Coated Power Resistors www.DataSheet4U.com • Resistances from 0.005 to 260kOhms • Power Rating 0.1 to 13Watts • Resistance Tolerances to ± 0.01% • Low TCR: ± 20ppm/K Standard • MIL-R-26 / MIL-R-39007 Power Ratings • Temperature Range: -55°C to +350°C ( “V” Rating ) • Non-Inductive Windings Available SPECIFICATIONS Specification Tolerances Temperature Coefficient Temperature Range Dielectric Strength Constuction Environmental Performance (MIL-STD 202) Dielectric Load Life Storage Moisture Resistance Thermal Shock 5X Overload ( 5s ) Shock Vibration Value ±0.01% to ±10% ( 1% Standard ) >10W : ±20ppm/K 1W to10W : ±50ppm/K <1W : Call Factory -55°C to +250°C : Characteristic U -55°C to +350°C : Characteristic V 500 VAC : UT-1 / UT-1/2A / UT-1/2 / UT-1A 1000 VAC : All Others Centerless ground ceramic core Tinned copper or copperweld leads High temperature / trivalent / inorganic Silicone coating All welded terminations DR Characteristic U Characteristic V ±0.2% + 0.05W ±0.2% + 0.05W ±1% + 0.05W ±3% + 0.05W ±0.2% + 0.05W ±2% + 0.05W ±0.2% + 0.05W ±2% + 0.05W ±0.2% + 0.05W ±2% + 0.05W ±0.2% + 0.05W ±2% + 0.05W ±0.1% + 0.05W ±0.2% + 0.05W ±0.1% + 0.05W ±0.2% + 0.05W Power Derating Curve 120 100 80 60 40 CHAR U CHAR V 20 Ordering Information 0 0 50 100 150 200 250 300 350 Ambient Temperature (°C) For Non-Inductive Windings / insert the letter “N” ( i.e. UTN-5 ) Part Number - Resistance - Tolerance - TCR ( If not standard ) Example: UT-5 25kOhms 0.1% 400 Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United K ingdom. + 44 (0) 1342 835234 + 44 (0) 1342 834306 [email protected] http://www.willow.co.uk rev. 03/2006A 1 page

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Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
UT-xx	Silicone Coated Power Resistors	Willow Technologies

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