Tate el MOT Ale! Matte] 2 Watt, Conductive Plastic AOD CAILALOTAAT case Description The Series 380 Quiet One is a 2-watt conductive plastic potentiometer offering superior dynamic noise and a long rotational life. And its manufactured to MIL-R-94 specifications where applicable. Our 53/RV4 is a dual-marked potentiometer with all the fine features of the Series 380 in a more economical package. And its built in strict accordance with MIL- R-94, Series 485 has all the exceptional features of the 380 with a bonus of ten times the rotational life. (Special order only.) Features Series 380 1% dynamic noise 100,000 cycle life Stainless-steel shaft Series 53/RV4 Economical Wide range of values and tapers Shaft and mounting seals available Series 485 1% dynamic noise I million cycle life Available on special order only Series 380, 53/RV4, 485, Electrical Specifications Resistance Range 50Q to 5 Megohms, linear. 250Q to 2.5 Megohms, tapered. 485 series only, 100Q to 2.5 Megohm, linear. Resistance Tolerance Linear, up to 1 Megohm +10%, above 1 Megohm +20%. Tapers, up to SOOKQ +10%; above 500KQ +20%. Power Rating (Watts) 2 watts maximum continuous power rating for linear taper, but voltage not to exceed rating. Full rating @ 70C, derated linearly to zero watts at 120C. Derate all non-linear tapers by multiplying wattage rating by 0.5. See Chart A, page 44. Electrical Rotation 312 +3 without switch; 333 3 with switch. Effective Rotation 270, -0/ +10 Tapers Right or left-hand available. See Chart B, page 45. End Resistance Linear units: 4Q maximum for total resistances up to 250K; 10Q for resistances 250K and higher. Taper units: High end of element 1% of total resistance or 4Q whichever is greater; low end same as for linear units. Dielectric Strength 1000 Vac for 60 seconds @ ATM pressure. 450 Vac for 60 seconds @ 3.4 in. Hg. Working Voltage 500 Vdc across end terminals, but power not to exceed rating. Resistance Temperature Characteristics See Chart C, page 45. Dynamic Noise Linear single controls maximum initial noise level of 1% of total resistance. Measurement made using a constant current source and oscilloscope detection technique. Static noise See Chart D, page 45. Linearity +5% independent linear tapers only Voltage Coefficient .005%/Volt, maximum Switch Characteristics Rotary See Chart E, page 47. 43Series 380, 53/RV4, 485 Mechanical Specifications Series 380, 53/RV4, 485, Operational Specifications Mechanical Rotation Operating Temperature Range 312 3 without switch; 333 3 with switch -55C to +120C Stop Torque Withstanding Strength Rotational Life (Standard) 12 Ib. in. minimum, single shaft Series 380: Rotational life for linear control; 100,000 8 lb. in. minimum, concentric shaft cycles for units up to and including 100,000Q, change not to exceed 5% R; above 100,000Q change not to Torque Range exceed 10% R. Single control 1 oz. in. to 4 oz. in., 2 oz. in. variation Series 53/RV4: All resistance values: 25,000 cycles. through mechanical rotation within a control. Series 485: 10% maximum change in total resistance as Single control with shaft seal 1 oz. in. to 6 oz. in. a result of 1,500,000 shaft rotations life test under full Single control with shaft locking feature and jam nut load for resistance values 1K to 2.5 Megohms; tightened to 10 Ib. in. Starting torque is 30 oz. in. 1,000,000 shaft rotations under full load for resistance values 1002 to 1KQ. Standard Bushing Lengths Plain, 1/4 in. (6.35mm), 3/8 in. (9.53mm), 1/2 in. Figure I (12.7mm) Chart A Panel Seal, 3/8 in. (9.53mm) Shaft Locking, 1/2 in. (12.7mm) POWER DERATING GRAPH Thread, 3/8 in. (9.53mm)-32 NEF-2A Other bushings available on special order. Standard Shafts (Single Control Only) Standard diameter 1/4 in. (6.35mm). Standard lengths every 1/8 in. (3.18mm) from 3/8 in. (9.53mm) minimum to 5 in. (127 mm) maximum. 380, stainless steel. 53/RV4 and 485 brass, nickel-plated. Available in round, slotted or flatted configurations. All shafts measured from mounting surface. Other shaft configurations available on special order. Weight Single .072 lbs. approximate RATED POWER IN PERCENT Hardware Must be ordered separately. (a) Hex mounting nut, 3/8 in. (9.53mm) x 32 -NEF-2A thread, 1/2 in. (12.7mm) across flats, 3/32 in. (2.38mm) thick. (b) Internal tooth lockwasher, 11/16 in. (17.46mm) outer diameter. x .022 in. (0.56 mm) thick. (c)Jam hex nut, 1/2 in. (12.7mm) across flats, 7/32 in. (5.56mm) thick, supplied on locking-type bushing. Marking Will appear on rear surface without switch. On periphery when switch is used. Unless otherwise specified, marking will consist of: (a) Customer part number or Clarostat part number, (b) EIA source and date code. NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE. 44Figure 2 Figure 3 Chart B Chart D . J clan wee ae AA All tng h D8 % RESISTANCE 8 al i ~_| 1M . \A_| | AT NOMINAL RESISTANCE 2 /- <| 1 \ Curve Standard . oo up up Oo 0 MD 0 100 \ % EFFECTIVE ROTATION tee CLOCKWISE \ 5 MEG The "S taper is linear, the change in resistance value being directly proportional to the degree of rotation. It can be used either as right- hand or left-hand taper. - x - 18 -12 4 The "Z" taper attains 10% resistance value at 50% of clockwise NOISE IN DB rotation (left-hand). The reverse "Z" taper attains 10% resistance values at 50% of counter-clockwise rotation (right-hand). For conformity and special output curves, consult factory. Chart C Resistance Temperature Characteristics NOMINAL MAXIMUM PERCENT TEMPORARY RESISTANCE FROM 25C RESISTANCE | -55C | _-40C 0C +25C | +85C | +105C | +120C 100 0HMS | +5.0 +3.0 +15 0 +H5 +2.5 +35 10K OHMS | +5.5 +4.0 +2.0 0 $2.5 +3.0 +4.0 100K OHMS +6.5 45.5 | +2.0 0 $3.0 +4.0 $5.5 1MEGOHMS | +9.0 48.0 | +25 0 $3.5 | 455 +7.0 45Figure 4 Series 380, 53/RV4 Dimensions + 1/32 [0.97mm] a 9/16 [14.29mm] + 1/64 [0.016mm] 7/64 [2.7mm] "77 vam] on} 250 DIA[6.35mm] ! +.000 [+.000mm] ad = - -}~ -9 [-.051mm] | L 26 4 Serie] reel + 1/32 [0.97mm] 1 3/32 [27.78mm] --}- MOUNTING SURFACE ONAL SPLIT BUSHING JAM NUT SUPPLIED 46Figure 5 Chart E Type Terminal Max. Operating No. Switch Variations Positions Torque-0z. In. AE-10 S.P.S.T. 1A, 250 V.; 3A, 125V (AC or DC) 1-2 12 AE-11 S.P.S.T. 1A, 250V.; 3A, 125V. with Bussing Terminal (AC or DC) 1-2-4 12 AE-13 S.P.S.T. 15A, 10V. (DC Only) 1-4 16 *AE-20 D.P.S.T. 1A, 250V.; 3A, 125V. (AC or DC) 1-2-3-4 16 AE-21 D.P. 1 Pole on, 1 Pole off1A, 250V.; 3A, 125V.(AcorDC) 1-2-3-4 16 AE-23 D.P.S.T. 15A, 10V. (DC only) 1-2-3-4 16 *AE-24 D.P.S.T. 1A, 250V.; 3A, 125V. (AC or DC) Reverse Action 1-2-3-4 16 AE-25 D.P.S.T. 250MA. 24V.D.C. (Dry Circuit) 1-2-3-4 12 AE-30 S.P.D.T. 1A, 250V.; 3A, 125V. (AC or DC) 2-3-4 16 * May be employed as a single pole, single throw, two circuit switch. To Designate this application add an A to the end of switch type. Example: AE-20A 47Series 380 Standard Resistance Values Series 53 Standard Resistance Values Series 53: Brass, nickel-plated shaft. Economical Stock Values (Ohms) Series 38001 version of 380. 50 1000 10K 100K 1 meg , Series 53 Stock Values (Ohms) ee ee pOK dmee 53C1, 53C2, 53C3 Linear * 350" 3800" 38K SOK. Smeg 50 1500 20K 250K. = 3 Meg 500 5000 50K 500K 3.5 meg* 100 2000 25K 350K 3.5 Meg 750* 7500* 75K* 750K 4 meg 150 2500 35K 500K 4 Meg 5 meg 250 3500 50K 750K 5 Meg *Made-to-order; please consult Factory. 350 5000 75K 1 Meg 7.5 Meg 500 7500 100K 1.5 Meg 10 Meg Stock Values (Ohms) Series 38062 750 10K 150K 2.5 Meg 1000 15K 200K 50* 1000 =10K 100K 1 meg 100 1500* 15K 150K 1.5 me 130 2000 20K OK Zig, Da Tarer Zap evr 2 Tare 250 2500 25K 250K 2.5 meg* 500 | 5000 50K S00K 3.5 meg 25K IK 200K 25K 750 7500* 75K 750K 4 mes 50K 2.5K 250K 50K * -to- . 1 Made-to-order; please consult Factory. 250K 10K 750K 250K Stock Values (Ohms) Series 38003 500K 15K 1 Meg 500K 1 Meg 20K 2 Meg 50 1000 =10K 100K 1 meg 25K 2.5 Meg 100 1500 =15K 150K 1.5 meg 50K 5 Meg 150* 2000 20K 200K 2 meg 100K 250 2500 25K 250K 2.5 meg 350* 3500 35K* 350K* 3 meg 2 750* 7500* 75K 750K 4 meg 5 meg Catalog **Made-to-order; please consult Factory. Number Description 53C1 2 in. (.50.5mm) round shaft FMS; 3/8 in. with 3/8 in. (9.52mm) x 32-NEF-2A thread. Catalog 53C2 5/8" screwdriver slotted shaft FMS; Number Description with a 1/2 in. (.50.5mm) split locking bushing. 380C1 2" round shaft FMS; 3/8" long bushing with 53C3 7/8 in (22.22mm) screwdriver slotted shaft 3/8 x 32-NEF-2A thread. FMS; 3/8 in. (9.52mm) long bushing with 38 in. (203.2mm) x 32-NEF 2A thread. 380C2 5/8" screwdriver slotted shaft FMS; with a 53CISW Unsealed version of 53C1 available 1/2" split locking bushing. for use with field assembled switches. Order as 53C1 SW 380C3 s- 7/8" screwdriver slotted shaft FMS; 3/8 long see table 1 for switch ordering. bushing with 3/8 x 32-NEF-2A thread. 53C1-Z Same as 53C1 but with Z taper (see chart B, page 45). Example: 380-1-10K-S 53C1-RZ Same as 53C1 but with Reversed Z taper (see chart B, page 45). D53C1 Dual ganged. Bushing and shaft same ae a uk ; as 53C1. Series Shaft & Bushing Resistance Value Taper See Catalog Number (Ohms) See Chart B Table | and Description eae Switches for 53C1 SW only. Must be ordered separately on a made-to-order basis. 53-10 53-20 33-21 SPST-3A-125 Vac DPST-3A-125 Vac (Mod.) DPST-3A-125 Vac/de Series 53 How to Order, continued next pageSeries 53 How to Order, continued Example: 53-C1-SW-1Meg-S ae Series Shaft & Bushing Switch* Taper See Catalog Number See Table 1, See Chart B and Description Page 48 (Figure 2, Page 45) i Vv. (Ohms) *Leave blank if switch is not required. Series RV4 Standard Resistance Values Series RV4: Military version of Series 53 RV4 Stock Values (Ohms, Tolerance and Tapers) RV4NAYSD RV4NAYSK 500A 252A 753A 205B 101A* 503A 101A 352A 104A 255B 251A* 104A* IS1A 502A 154A 355B SOIA* 2544 251A 752A 204A 505B 102A 504A 351A 103A 254A 252A* 105A* SOIA 153A 354A 502A 255B 751A 203A 504A 103A S05B 102A 253A 754A 253A 152A 353A 105A 202A 503A 155B *Made-to-order; please consult Factory. RV4LAYSA RV4NAYSB S00A 252A 753A 205B 101A* 503A 101A 352A 104A 255B 251A 104A 151A 502A 154A 355B SOLA 254A 251A 752A 204A 505B 102A 504A 351A 103A 254A 252A* 105A SOIA 153A 354A 502A 255B TS1A* 203A 504A 103A 505B* 102A 253A 754A 253A 152A 353A 105A 202A 503A 155B* *Made-to-order; please consult Factory. RV4LAYSD 101A 503A 251A 104A SOIA =. 254A 102A 504A 252A 105A 502A 255B* 103A 505B 253A *Made-to-order; please consult Factory. Series RV4 How To Order Example: T Series 4 Y i A Switch Resistance A = None Significant B = Rotary Digits Bushing N = Standard, 3/8 in. (9.52mm) long x 3/8- 32-NEF-2A L = Locking, 1/2 in. (12.7mm) long x 3/8- 32-NEF-2A 5 = Shaft & panel seal, standard bushing T = Shaft & panel seal, locking bushing See table below Shaft Style S = Slotted F = Flatted Number of Zeros That Follow Standard Temperature Characteristic A =+10% Linear B = +20% Linear *C = Log CW +10% *D = Log CW 120% *E = Log CCW 110% *F = Log CCW 420% *10% resistance at 50% mechanical rotation, Shaft With 3/8 in. (9. 52mm) Lg Length Code Bushings N & With 2 in. (12.7mm) Le Bushings L & T 5/8 in. (15.88 mm) A N/A B 1/2 in. (12.7 mm) N/A D 7/8 in. (22.23 mm) 7/8 in. (22.23 mm) G 1 1/4 in. (31.75 mm) N/A J 2 in. (50.8 mm) N/A K 2 1/2 in. (63.5 mm) N/A N/A = Not available Series 485 How To Order Series 485 available on a made-to-order basis only. Please consult Factory for pricing, delivery, and minimums, 49