SPRU5031S28

MIL Style RV8 PRECISION Precision Series SPR - 1/2 Watt 1/8" shaft diameter Precision series SPR/RV8 potentiometers are for PCB applications requiring a rugged potentiometer. FEATURES: • • • • • hot molded carbon element board washable stainless steel shaft compact size quality meeting or exceeding MIL-R-94 - QPL listed OPTIONS: • • • • custom shafts and bushings special tapers customer specified marking location tab position ELECTRICAL SPECIFICATIONS: MECHANICAL SPECIFICATIONS: Resistance range, linear taper: 100 Ω to 5 Meg Ω Mechanical rotation: 295° Resistance range, logarithmic taper: 150 Ω to 1 Meg Ω Operating torque: 0.5 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: 0.5 watts at 70°C derated to 0 watts at 120°C Insulation resistance: dry: 10K Meg Ω wet: 100K Meg Ω Dielectric strength: 750 V RMS at sea level Operating voltage: 350 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 RV8 MIL Style RV8 PRECISION ORDERING INFORMATION: Ordering Information - Commercial Part Numbers Series SPR = series SPR Bushing Bushing Length Blank = Blank = 1/4" standard 6 = 3/8" L = locking W = panel & shaft seal Taper U = linear A= logarithmic B = reverse logarithmic Resistance Value Total resistance value in Ω: first 2 digits significant, third digit = number of zeroes Tolerance Shaft Style 1 = 10% of R = round nominal S = slotted 2 = 20% of F = flatted nominal Shaft Length 16 = 1/2" 20 = 5/8" 24 = 3/4" 28 = 7/8" 32 = 1" Example: SPRU2521R20 note: not all part number combinations are valid Ordering Information - Military Part Numbers Style Bushing N = standard RV8 = MIL style RV8 Switch A = without L = locking Temperature & Moisture Characteristics Y = as per MIL-R-94 switch S = panel & shaft seal Shaft Style Shaft Length Resistance Value Taper & Tolerance S = slotted L = 3/8" Total resistance value A = linear 10% F = flatted B = 1/2" in Ω: first 2 digits B = linear 20% A = 5/8" D = 7/8" significant, third digit = C = logarithmic 10% number of zeroes D = logarithmic 20% E = reverse logarithmic 10% F = reverse logarithmic 20% Example: RV8NAYSD252A note: not all part number combinations are valid Series SPR Cross Reference Precision Military Clarostat Allen Bradley SPR RV8NAY 392 W or G SPRL RV8LAY 392