spindle operated potentiometers type rw series literature no. 1773275 issued: 04-05 dimensions are shown for reference purposes only. dimensions are in millimetres unless otherwise specified. specifications subject to change. www.tycoelectronics.com passives.tycoelectronics.com key features wirewound elements proven reliability excellent linearity 3w rating at 40? in wirewound robust construction range of shaft styles custom designs possible type rw series this high power wire wound potentiometer is a recent addition to the tyco range. the rw series offers a range of shaft styles, 1 and 3 watt power ratings, low terminal resistance and excellent linearity. for a rugged high power control potentiometer at a very attractive price - the rw series will satisfy your requirements. characteristics - electrical rw1 rw3 element technology: wirewound resistance range: 10r to 100k (linear) 10r to 25k (linear) resistance values: 1, 2 & 5 in each decade selection tolerance: 10% standard, 5% by request linearity: 2% maximum rated dissipation at 40?: 1w 3w maximum working voltage: 250v dc 500 v dc electrical rotation: 285 nominal 275 nominal terminal resistance: 0.2r or 0.02% whichever is greater noise (e.n.r.): 100r maximum insulation resistance: > 5 gig ohms voltage proof: 630v ac peak dimensions rw1 rw3 how to order rw 3 102 k a common part 1 - 1 watt at 70? 3 - 3 watts at 70? power dissipation the first two digits are significant figures of resistance value and the third denotes the number of zeros following. e.g. 100r: 101 1k0: 102 10k: 103 100k: 104 resistance value tolerance rw - wirewound potentiometer j - ?% (special) k - ?0% (standard) shaft style a ?6.35 x 25mm plain b ?6.35 x 68mm full flat c ?6.35 x 19mm slotted d - 6.35 x 38mm slotted e ?6.35 x 16mm slotted characteristics - mechanical starting torque: <70 mnm < 85 mnm mechanical rotation: 295 nominal 285 nominal end stop torque: 500 mnm minimum 800 mnm minimum standard shaft lengths: 25mm - others by special request characteristics - environmental operating temperature: -40? to +70? limits of resistance change: 3% (after 1000 hrs) temperature coefficient: 100ppm/? bump severity: 390 m/s2, 4000 bumps vibration severity: 10 - 500 hz, 98m/s 2 climatic category: 40/070/21 mechanical endurance: 2000 operations sealing: fully enclosed obsolete
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