Series 450 (R) Industrial 15/16" (24mm) diameter 1/2 watt composition variable resistor * Low cost * Versatile mounting styles: - bushing - twist tab - bend tab - snap-in PC bracket - solder lug or PC terminals * Wide resistance range * Molded or metal shafts * Pull-push and rotary power switches * Shaft and bushing waterseal * Rear extended shaft * Single, tandem, or concentric constructions * Special vernier adjust (multiturn) construction available for fine adjustment * Long life construction available Electrical and Mechanical Specifications Resistance Range 100 through 10 Meg (linear taper) Long life construction - 10K through 5 Meg (linear taper) Resistance Tolerance Standard: 20% Special: Closer tolerances available in most resistance values. Power Rating, Watts Standard Construction 1/2 watt per section through 100K 1/3 watt per section above 100K Full rating @ 55C derated to no load at 85C, linear taper, bushing mounted control on steel panel 4" x 4" x .050" (101.6mm x 101.6mm x 1.27mm). (Derating required on two section controls.) Power Rating, Watts Vernier Adjust Construction 1/2 watt 10K ohms, 1/3 watt; above 10K ohms through 100K ohms, 1/4 watt above 100K ohms. Full rating @ 55C derated to no load at 85C, linear taper, bushing mounted control on steel panel 4" x 4" x .050" (101.6mm x 101.6mm x 1.27mm). Voltage Rating Bushings to Terminals: High pot test, one minute Standard construction - 1080VAC Vernier construction - 1000VAC Operating maximum - 750VDC Across End Terminals: 500 VDC, load not to exceed listed wattage ratings. Special requirement for 1500 VAC Hi-pot is available. (continued on next page) Technical Data Sheet 1448C Technical Data Sheet 1450B CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS Electrical and Mechanical Specifications (continued) Resistance Tapers Standard - Linear,10% Audio and 10% CCW Audio Special - Consult factory Angle of Rotation Standard Construction Total with rotary switch -- 320 5 Total without switch or with push-pull or pushpush switches -- 300 5 Vernier Adjust Construction Contact arm 300 5 Shaft* VA-450 - 3700 - 101/4 turns (1 for each 12.5) *total effective rotation 5VA-450 - 2000 - 51/2 turns (1 for each 6.6 Long Life Construction Total without switch -300 5 Effective Rotation With or without switch -- 300 (approximate) With fixed resistor -- 225 (approximate) Bushing Information Diameter: EIA Standard 3/8"-32 UNEF-2A thread. Standard Length: 3/8" or 1/4" (9.53mm or 6.35mm) Special Lengths: Available as required. Metric bushings available. Consult CTS. Locating Lugs (Bushing Mounted Style) Standard Position: Left side (terminals down) supplied unless otherwise specified. Other Positions: Available with lug right side (terminals down), without lugs or with lugs both left and right side. Shaft Information Molded Shafts -- Length: Standard -- Flatted or knurled shafts available up to 11/2" (38.1mm) in 1/8" (3.2mm) increments. Special -- Some molded shaft designs available up to 2" (50.8mm). Diameter: .250" (6.35mm) [Diameter over knurl -- .240" - .246" (6.10mm - 6.25mm)]. Color: Colors are available. Solid Metal Shafts: Brass or Aluminum -- Length: Standard -- Up to 3" in 1/8" increments. Special -- Up to 12" (304.8mm). Diameter: Standard -- .250" (6.35mm) Special -- .187" (4.75mm) Metal Tubing Shafts -- Length: Standard -- Up to 3" (76.2mm) Special -- Consult CTS Outside Diameter: .265" (6.73mm) Real Extended Shafts -- Metal or molded rear extended shafts available. Typical Constructions The following is basic information on the most common CTS 15/16" (24mm) diameter composition variable resistor constructions supplied to our customers. Space limitations prohibit showing the virtually thousands of additional constructions fabricated to exacting customer specifications. For your special applications the CTS engineering staff is at your disposal for designing the best and most economical construction to meet your requirements. Vernier Constructions This construction is designed for fine tuning applications. It provides precision adjustments with a vernier ratio of 6.6 or 12.5 per degree available in 51/2 or 101/4 turns. Long Life Construction This construction provides an extended life of 250,000 cycles (with a limited rotation angle) and is available with resistance ranging from 10K ohm to 5 megohm, linear tapers only. Consult CTS. 450 Metal Shaft, Bushing Mounting, Type "T" Solder Lug Terminals DIMENSION: MM INCH 450 Metal Shaft, Bushing Mounting, Type "X" or "Y" P.C. Terminals DIMENSION: MM INCH 455 Note .296 in (7.52 mm) Terminal Spacing DIMENSION: MM INCH 450 Rear Extended Metal Shaft, Twist Tab Mounting with Type "U" P.C. Terminals DIMENSION: MM INCH 450 Screwdriver Slotted Molded Rotor, Twist Tab Mounting, Type "W" Wirewrap Terminals DIMENSION: MM INCH 450 Tandem Construction, Metal Shaft, Twist Tab Mounting, Type "X" or "Y" P.C. Terminals DIMENSION: MM INCH 455 Note .296in (7.52 mm) Terminal Spacing DIMENSION: MM INCH Concentric Tandem Construction, Concentric Metal Shafts, Bushing Mounting, Type "T" Solder Lug Terminals DIMENSION: MM INCH 4 Section Concentric Tandem Construction, Concentric Metal Shafts, Bushing Mounting, Type "T" Solder Lug Terminals DIMENSION: MM INCH Metal Shaft, Bushing Mounting Insulated Ground Plate, Solder Lug Terminals, 040 Switch DIMENSION: MM INCH Types VA-450 and 5VA-450 DIMENSION: MM INCH POWER SWITCHES Series Contact Arrangement Electrical Rating FR-GC SPST Rotary 3 amps @ 125 volts, 1 amp @ 250 volts AC-DC UL Recognized GC SPST 5 amps @ 20 volts DC (Automotive) Actuating angle - 20 Actuating Torque - 6 to 15 in. oz. (432 to 1081 g-cm) TGC SPST Rotary 6 amps @ 125 volts AC UL Recognized Actuating angle - 20 Actuating Torque - 7 to 17 in. oz. (504 to 1225 g-cm) 025 SPST Rotary 3 amps @ 125 volts 1 amp @ 250 volts AC-DC UL Recognized Actuating angle - 20 Actuating Torque - 6 to 15 in. oz. (432 to 1081 g-cm) 029 SPST Rotary 6 amps @ 125 volts AC UL Recognized Actuating angle - 20 Actuating Torque - 7 to 17 in. oz. (504 to 1225 g-cm) 024 SPST Rotary TV-2 rating UL Recognized Actuating angle - 20 Actuating Torque - 6 to 15 in. oz. (432 to 1081 g-cm) DIMENSION: MM INCH Outline Drawing POWER SWITCHES Contact Arrangement Series TV-023 SPST Rotary Electrical Rating Outline Drawing TV-5 rating UL Recognized Actuating angle - 20 Actuating Torque - 10 to 20 in. oz. (720 to 1441 g-cm) 040 SPST Push-on Push-off 6 amps @ 125 volts AC Pre Travel 13/64" Activating Force -2 to 5 lb (0.9 to 2.3 kg) 041 SPDT Push-on Pull-off 6 amps @ 125 volts AC Push-on Pre Travel 13/64" Activating Force -2 to 5 lb (0.9 to 2.3 kg) 050 SPST Rotary 3 amps @ 125 volts AC (Shallow construction switch) UL Recognized 71/2 amps @ 20 volts DC (Automotive) Actuating angle - 25 Actuating Torque - 2 to 15 in. oz. (144 to 1080 g-cm) FR-027 DPST Rotary 3 amps @ 125 volts, 1 amp @ 250 volts AC UL Recognized Actuating angle - 20 Actuating Torque - 10 to 20 in. oz. (720 to 1441 kg) DIMENSION: MM INCH POWER SWITCHES Series TV-020 Contact Arrangement DPST Rotary Electrical Rating Pole #1, TV-1 rating Pole #2, TV-3 rating UL Recognized Actuating angle - 20 Actuating Torque - 10 to 18 in. oz. (720 to 1297 g-cm) FR-028 SPDT Rotary 3 amps @ 125 volts AC UL Recognized Actuating angle - 20 Actuating Torque - 10 to 20 in. oz. (720 to 1441 g-cm) TV-021 SPDT Rotary TV-4 rating UL Recognized Actuating angle - 20 Actuating Torque - 10 to 18 in. oz. (720 to 1297 g-cm) FR-K SPST Pull-on Push-off 3 amps @ 125 volts AC UL Recognized Pretravel - 5/32" Actuating force - 7 to 16 oz. - Single section control (0.2 to 1.0 kg) 7 to 20 oz. - Tandem control (0.2 to 1.25 kg) TV-TK SPST Pull-on Push-off TV-4 rating UL Recognized Pretravel - 5/32" Actuating force - 14 to 28 oz. - Single section control (0.87 to 1.75 kg) 14 to 32 oz. - Tandem control (0.87 to 2.0 kg) DIMENSION: MM INCH Outline Drawing TERMINAL CONFIGURATIONS Solder Lug Type "T" DIMENSION: MM INCH Wirewrap Type "W" DIMENSION: MM INCH Printed Circuit Type "U" DIMENSION: MM INCH TERMINAL CONFIGURATIONS Printed Circuit Type "X" DIMENSION: MM INCH Printed Circuit Type "V" DIMENSION: MM INCH Printed Circuit Type "Y" DIMENSION: MM INCH Ordering Information 450 T 2 20 TERMINAL STYLE SHAFT LENGTH T - SOLDER LUG X - PC U - FORMED TO FRONT V - FORMED TO REAR FROM MOUNTING SURFACE 1/32" (0.8MM) INCREMENTS R EXAMPLES: 20 - .625" (15.9MM) 24 - .750" (19.1MM) 28 - .875" (22.2MM) 32 - 1.000" (25.4MM) 103 B RESISTANCE CODE EXAMPLES CODE 501 102 252 502 103 253 503 104 1 TAPER 1 - LINEAR 2 - 10% AUD 3 - 10% CCW AUD RESISTANCE 500 OHMS 1K 2.5K 5K 10K 25K 50K 100K A 1 SPECIALS 1 - NONE 2 - 50% DETENT* 4 - LOCATING LUG FOR RIGHT SIDE 5 - NO LOCATING LUG * NOT AVAILABLE WITH VERNIER ADJUST CONSTRUCTION RESIST TOL MOUNTING STYLE BUSHING LENGTH: 1/8" (3.2MM) INCREMENTS EXAMPLES: .250" (6.35MM) .375" (9.53MM) 1.000" (25.4MM) TWIST TAB MOUNT .250" (6.35MM) DIECAST B - .375" (9.53MM) DIECAST 2 3 8 1 A - - - - - SHAFT TRIM R - ROUND F - FLATTED .375" X .156" (9.5MM X 4.0MM) K - KNURLED S - SD SLOT .047" WIDE X .063" DEEP (1.2MM X 1.6MM) BUSHING MOUNT SUPPLIED WITH LOCATING LUG LEFT SIDE TERMINALS DOWN A - 10% B - 20% C - 30% SWITCHES FUNCTION CTS TYPE A - NONE B - SPST ROTARY 050 C - SPST ROTARY TGC D - DPST ROTARY 027 E - SPDT ROTARY 028 F - SPST PULL-PUSH FRK G - SPST PUSH-PUSH 040 H - SPDT PUSH-PUSH 041 J - SPST ROTARY FR-CG K - NONE VERNIER ADJUST 101/4 turns L - NONE VERNIER ADJUST 51/2 turns Note: Long Life Construction - consult factory. Order From: CTS CORPORATION, ELECTROCOMPONENTS / 1601 Mishawaka Street / Elkhart, Indiana 46514 North America Toll Free (888) 287-4690 / (219) 296-6700 / FAX: (219) 293-1240 http://www.ctscorp.com CTS COMPONENTS TAIWAN, LTD. / 7, Central 6th Road (Chung Liu Road) / P.O. Box 26-20 Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Rep. of China (07) 8216145 / FAX: (07) 8417642.8110040 2.5M-6-99I