Series REC 38 L www.vishay.com Vishay Sfernice Precision Linear Transducers, Conductive Plastic, Up to 150 mm FEATURES Measurement range 12.5 mm to 150 mm High accuracy 1 % down to 0.1 % Long life Essentially infinite resolution Very small dimension: external diameter = 9.52 mm Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 QUICK REFERENCE DATA Sensor type LINEAR, conductive plastic The 38 L is a very compact model especially designed for Output type Wires precise measurement of short travels. Market appliance Professional Dimensions 9.52 mm dia. ELECTRICAL SPECIFICATIONS Theoretical electrical travel (TET) From 12.5 mm to 150 mm see Table 1 Actual electrical travel (AET) AET = TET + 1 mm 1 % - 0.5 % Independent linearity (over TET) 0.25 % for E 25 mm 0.1 % for E 50 mm Repeatability 0.01 % Ohmic values (R ) From 400 /cm to 4 k/cm T Resistance tolerance at 20 C 20 % Maximum power rating 0.05 W/cm at 70 C, 0 W at 125 C Wiper current Recommended: a few A - 1 mA max. (continuous) 3 Load resistance Minimum 10 x R T Insulation resistance 1000 M, 500 V DC Dielectric strength 500 V , 50 Hz RMS MECHANICAL SPECIFICATIONS Mechanical travel (MT) MT = TET + 3 mm 1 mm Housing Anodized aluminum Operating force 0.35 N typical 3 wires PTFE AWG 26 Termination length: 300 mm Wiper Precious metal multifinger PERFORMANCE Operating life 25 million cycles typical/1 Hz/T = 20 C 5 C/80 % TET Temperature range -55 C to +125 C Sine vibration on 3 axes 1.5 mm peak to peak or 15 g - 10 Hz - 2000 Hz Mechanical shocks on 3 axes 50 g -11 ms - half sine Note Nothing stated herein shall be construed as a guarantee of quality or durability Revision: 19-Mar-2021 Document Number: 54010 1 For technical questions, contact: sferprecisionpot vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Series REC 38 L www.vishay.com Vishay Sfernice DIMENSIONS in millimeters, general tolerance 1 mm 3 wires AWG 28 Lg: 300 mm Thermot sleeve 12.7 A 10 min. 10 2: clamping area 10 2: clamping area TABLE 1 SIZE TET MT A 38 L0.5 12.5 15.5 43.5 38 L01 25 28 56 38 L02 50 53 81 38 L03 75 78 106 38 L04 100 103 131 38 L05 125 128 156 38 L06 150 153 181 ELECTRICAL CONNECTIONS Green Red Yellow TET AET MT TET = theoretical electrical travel AET = actual electrical travel MT = mechanical travel ORDERING INFORMATION / DESCRIPTION REC 38 L 0.5 C 102 W... e1 SERIES MODEL NUMBER ELECTRICAL LINEARITY OHMIC VALUE MODIFICATIONS LEAD FINISH OF TRACKS TRAVEL L = 1 track 0.5 = 12.5 mm A: 1 % First 2 digits are Special feature Sn Ag Cu 1 = 25 mm B: 0.5 % significant code number rd 2 = 50 mm C: 0.25 % numbers 3 digit 3 = 75 mm D: 0.1 % indicates number 4 = 100 mm of zeros 5 = 125 mm 6 = 150 mm SAP PART NUMBERING GUIDELINES RE 38 L 0.5 C 102 W.... SERIES MODEL TET LINEARITY OHMIC VALUE SPECIAL FEATURES Revision: 19-Mar-2021 Document Number: 54010 2 For technical questions, contact: sferprecisionpot vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 1 / - 40 UNC - 2A 8 9.52 0.25