KA1031S28

MIL Style RV4 PRECISION Precision Series K - 2 Watt 1/4" shaft diameter Precision series K/RV4 potentiometers are suitable for both military and commercial applications. They can easily be customized to meet special requirements. FEATURES: • • • • hot molded carbon element gold-plated terminals stainless-steel shaft and housing quality meeting or exceeding MIL-R-94 - QPL listed OPTIONS: • • • • • custom shafts and bushings special tapers fourth (center) terminal high life attached switch ELECTRICAL SPECIFICATIONS: MECHANICAL SPECIFICATIONS: Resistance range, linear taper: 50 Ω to 5 Meg Ω Mechanical rotation: 314° Resistance range, logarithmic taper: 150 Ω to 1 Meg Ω Operating torque: 1 oz/in to 6 oz/in Resistance tolerance: ±10% or ±20% Rotational life: 25,000 cycles Resistance taper: linear, logarithmic, reverse logarithmic; other tapers by special order Power rating: 2 watts at 70°C derated to 0 watts at 120°C Insulation resistance: dry: 10K Meg Ω wet: 100K Meg Ω Dielectric strength: 900 V RMS at sea level Operating voltage: 500 V, subject to power rating ENVIRONMENTAL SPECIFICATIONS: Operating temperature: − 65°C to +125°C Resistance to soldering heat: 350°C for 5 seconds Humidity range: per MIL-R-94 Vibration range: per MIL-R-94 Shock resistance: per MIL-R-94 Load life: 1000 hours at 70°C PRECISION DRAWING: MIL Style RV4 MIL Style RV4 PRECISION ORDERING INFORMATION: Ordering Information - Commercial Part Numbers Series K = series K Bushing Blank = standard Switch Blank = without switch Taper U = linear L = locking S = SPST switch A= logarithmic B = reverse logarithmic W = panel & shaft steel Resistance Value Total resistance value in Ω: first 2 digits significant, third digit = number of zeroes Tolerance Shaft Style 1 = 10% of R = round S nominal = slotted F = flatted 2 = 20% of nominal Shaft Length 16 = 1/2" 20 = 5/8" 24 = 3/4" 28 = 7/8" 32 = 1" 40 = 1 1/4" 48 = 1 1/2" 64 = 2" 80 = 2 1/2" 96 = 3" Example: KSU1031R16 note: not all part number combinations are valid Ordering Information - Military Part Numbers Shaft Temperature & Moisture Bushing Switch Shaft Style Length Characteristics Style RV4 = MIL style RV4 N = standard A = without Y = as per MIL-R-94 S = slotted B = 1/2" switch L = locking F = flatted A = 5/8" S = panel & shaft steel B = SPST switch D = 7/8" G = 1 1/4" Resistance Value Taper & Tolerance Total resistance value A = linear 10% in Ω: first 2 digits B = linear 20% significant, third digit = C = logarithmic 10% number of zeroes D = logarithmic 20% J = 2" E = reverse logarithmic K = 2 1/2" 10% F = reverse logarithmic 20% Example: RV4NAYSB000A note: not all part number combinations are valid Type K Cross Reference Military Precision Clarostat Allen Bradley Ohmite KU S28 RV4NAYSD A 380C3 / 53C3 JA1N056S UA CMU KLU S20 RV4LAYSA A 280C2 / 53C2 JA1L040S UC CLU KU S16 RV4NAYSB A N/A JA1N032S UA N/A KU S64 RV4NAYSJ A N/A JA1N200S UA CU KU R64 N/A 380C1 / 53C1 JA1N200P UA N/A KU S80 RV4NAYSK A N/A JA1N232S UA N/A KA R64 N/A 53C1Z JA1N200P AA N/A KLU S28 RV4LAYSD A N/A JA1L056S UA N/A