Clarostat Potentiometers and Rheostats Visit ClarostatOs Website at www.clarostat.com Series 381 1-Watt 5/8" Diameter Thick Film Conductive Plastic 2-Watt Series 380 Thick Film Conductive Plastic Called the OQuiet OnesO These quiet, precision-made potentiometers are made by a controlled process that virtually insures a reliable, homogeneous and strain-free resistance element with 1% dynamic noise and 5% independent linearity. All have stainless steel shafts. Type C1 has 2" round shaft FMS, 3/8" long bushing with 32NEF-2A thread. Type C2 has 5/8" screwdriver slotted shaft FMS with a 1/2" split locking bushing. Type C3 has 7/8" screwdriver shaft FMS, 3/8" long bushing with 3/8" 32NEF-2A thread. Resistance Tolerance: Up to 1 megohm 10%, above 20%. Dielectric Strength: 1000 VAC. Weight: 1 oz. 3/8" Stock No. Mfr.Os Type Ohms 753-5023 753-5029 753-5035 753-5047 753-5053 753-5059 753-5061 753-5067 753-5073 753-5075 753-5083 753-5087 753-5147 380-C1-100-S 380-C1-250-S 380-C1-500-S 380-C1-1000-S 380-C1-2500-S 380-C1-5000-S 380-C1-10K-S 380-C1-25K-S 380-C1-50K-S 380-C1-100K-S 380-C1-500K-S 380-C1-1 Meg-S 380-C2-1K 100 250 500 1000 2500 5000 10K 25K 50K 100K 500K 1M 1000 EACH 1-9 17.02 17.02 17.02 17.02 17.02 17.02 17.02 17.02 17.02 17.02 17.02 17.02 19.97 10-24 25-49 14.86 14.86 14.86 14.86 14.86 14.86 14.86 14.86 14.86 14.86 14.86 14.86 17.56 13.79 13.79 13.79 13.79 13.79 13.79 13.79 13.79 13.79 13.79 13.79 13.79 16.28 Stock No. Mfr.Os Type Ohms 753-5159 753-5161 753-5223 753-5235 753-5247 753-5253 753-5259 753-5261 753-5267 753-5273 753-5275 753-5283 753-5287 380-C2-5K 380-C2-10K 380-C3-100-S 380-C3-500-S 380-C3-1000-S 380-C3-2500-S 380-C3-5000-S 380-C3-10K-S 380-C3-25K-S 380-C3-50K-S 380-C3-100K-S 380-C3-500K-S 380-C3-1 Meg-S 5000 10K 100 500 1000 2500 5000 10K 25K 50K 100K 500K 1M EACH 1-9 19.97 19.97 16.62 16.62 16.62 16.62 16.62 16.62 16.62 16.62 16.62 16.62 16.62 10-24 25-49 17.56 17.56 14.63 14.63 14.63 14.63 14.63 14.63 14.63 14.63 14.63 14.63 14.63 16.28 16.28 13.56 13.56 13.56 13.56 13.56 13.56 13.56 13.56 13.56 13.56 13.56 Series 392 Immersible 0.5-Watt Potentiometers 11 Economical potentiometer designed to meet wave soldering applications for mounting to PC boards. Meets flow solderability and washability test requirements. MIL-R-94 standards apply where applicable. Resistance Tolerance: Linear, up to 1 M1/2 10%, above 1 M to 5 M 20%. Tapers, up to 250 K 10%, above 250 K to 5 M 20%. Resistance Range: 100 1/2 to 5 M1/2, linear; 500 1/2 to 2 M1/2, tapered. Power Rating: 0.5 watt maximum continuous power rating for linear taper, but voltage not to exceed rating. Working Voltage: 350 VDC across end terminals, but power not to exceed rating. Linearity: 5% Independent. Torque Range: 0.20 to 2.0 oz. in. Shafts, Standard: 0.125 dia. Solvent Resistance: Housing resistant to trichlorethylene, chlorethene, NU Freon TMS, Freon TMC, carbon tetrachloride, toluene, MEK ethyleacetate and gasoline. Stock No.* Mfr.Os Type 753-94XX 392JA 753-95XX 753-96XX 392JB 392-5 EACH Description 7/8" long shaft FMS, screwdriver slotted metal bushing and shaft, P.C. terminals Same as 392JA but with plastic shaft and bushing Trimmer version, plastic shaft and faceplate 1-9 10-24 25-49 10.14 8.89 8.29 7.74 6.95 6.69 6.12 6.20 5.73 *Using ohm chart below, complete the Stock No. by placing the designated resistance code for ohms value where XX appears in Stock No. Ohms XX Ohms XX Ohms XX Ohms XX Ohms XX Ohms XX Ohms XX 100 250 21 23 500 1K 26 29 2.5K 5K 33 38 10K 25K 41 45 50K 100K 53 59 250K 500K 63 67 1M 5Ma 70 90 Not available in 392-5 series. aNot available in 392JB series. The CR series of rheostats is ideal for use over long periods of time. Features vitreous enamel to bond the core and base, wiper tracks are buffered to assure smooth rotation and uniform contact, three terminals for potentiometer applications, and minimum backlash. The series is made in accordance to MIL-R-22. The 25 and 50 watt models are UL approved. The 12.5 watt units are not UL approved. Resistance Tolerance: 10%. High strength ceramic hub insulates the shaft and bushing from all line parts. 753-0600 753-0602 753-0606 753-0614 753-0616 753-0618 753-0622 Mfr.Os Type CR-12.5 25 CR-12.5 50 CR-12.5 100 CR-25 10 CR-25 25 CR-25 50 CR-25 100 632 b ALLIED Watts Ohms 12.5 12.5 12.5 25 25 25 25 381N has plain 1/4" long bushing with 1/4-32NEF-2A thread and 1/8" dia. 3/4" (FMS) long shaft. 381L is a locking bushing that has 3/8" long bushing with 1/4-32NEF-2A thread and long 1/8" dia. 7/16" (FMS) shaft. D381 is the same as the 381N but is dual ganged using the same resistance value for both sections. Dimensions are the same as 381N except total depth is 49/64" (1/32). 381NS is the same as the 381N except it includes a factory attached SPST switch (1 A, 125 V AC/DC). 381N-Z is the same as the 381N except using a Z-taper. Dust and splash proof housing. Cover is sealed to base with epoxy seal. Terminals are molded into base and sealed for solderability per MIL-STD-202, Method 208B. Resistance Tolerance: 10% through 500 K; 20% above 500 K. Stock No.* Series CR Rheostats Stock No. c Precision Machined from Corrosion Resistant and NonMagnetic Materials c Rotational Life 100,000 Cycles Under Load c Homogeneous, Strain-Free Thick-Film Resistance Element with 1% Dynamic Noise, 5% Independent Linearity c Meets Stringent MIL-R-94 Specifications 25 50 100 10 25 50 100 EACH 1-9 10-24 Stock No. 19.44 19.44 19.44 22.02 21.95 21.95 21.95 18.50 18.50 18.50 20.95 21.30 20.88 20.88 753-0624 753-0626 753-0628 753-0634 753-0640 753-0648 N Mfr.Os Type CR-25 250 CR-25 500 CR-25 1000 CR-25 5000 CR-50 50 CR-50 1000 N Watts Ohms 25 25 25 25 50 50 N 250 500 1000 5000 50 1000 N EACH 1-9 10-24 21.95 21.95 22.71 23.05 27.03 27.38 N 20.88 20.88 21.61 21.61 25.73 26.05 N Mfr.Os Type Standard Resistance Values (Ohms) 753-80XX D381N 5K, 10K 753-81XX 381NS 1K, 5K, 10K, 50K, 100K, 1M 753-82XX 381N-Z 2.5K, 5K, 10K, 25K, 50K, 100K, 250K, 1M 753-83XX 381N 100, 250, 500, 1K, 2.5K, 5K, 10K, 25K, 50K, 100K, 250K, 500K, 2.5M, 5M 753-84XX 381L 100, 250, 500, 1K, 2.5K, 5K, 10K, 25K, 50K, 100K, 500K EACH 1-9 10-24 25-49 29.58 27.51 25.72 21.01 18.45 16.59 13.31 11.70 10.86 11.29 9.93 9.22 12.70 11.08 10.22 *Using ohm chart below, complete the Stock No. by placing the designated resistance code for ohms value where XX appears in Stock No. Ohms XX Ohms XX Ohms XX Ohms XX 100 250 500 1K 28 29 35 47 2.5K 5K 10K 25K 53 59 61 67 50K 100K 250K 500K 73 75 81 83 1M 2.5M 5M N 87 90 95 N Products Not Cataloged Are Available N Call 1-800-433-5700 For Price And Delivery