Series 026 ® Industrial 15/16" (24mm) Diameter, 5-Watt, Wirewound Variable Resistors Features • Dust-proof construction • Water splash proof construction available • 5-watt power rating • Superior resistance stability in temperature and environment change • Tandem constructions available • Bushing or twist tab mounting • Available with pull-push and rotary power switches • Excellent linearity performance • RoHS compliant Electrical and Mechanical Specifications Resistance Tapers Resistance Range Standard: Linear or 20% audio Special: Consult CTS Linear : 1 ohm through 25K ohms Audio : 20 ohms through 10K ohms Linearity Resistance Tolerance Standard : ± 10% Special : Tighter tolerance available in most resistance values Power Rating 5 watts @25°C, 4 watts @ 55°C, derated to no load at 105°C, linear taper (Derating required on two section countols.) Voltage Rating Bushing to Terminals: High pot test, one minute -- 1,000 VAC Operating maximum -- 500 VDC Across End Terminals: 350 VDC maximum, load not to exceed wattage rating. Standard: 3% linearity Special: Consult CTS Power Switches Rotary Pole-SPST, DPST & SPDT Pull-Push Pole-SPST (Pull-ON, Push-OFF) Rotational Angle Mechanical Rotation: Without switch: 300°±5° With switch: 300°±5° Effective Rotation: Without switch: 280°±5° With switch: 265°±5° Rotational Torque: Standard: 3/4 to 6 in. oz (54 - 432 gf-cm) Special: higher torque models available, consult CTS Operating Temperature -30°C to +85°C (continued on next page) 1-4 CTS Electronic Components © 2006 CTS Corporation. All rights reserved. Information subject to change. 10/15/06 www.ctscorp.com Shaft Center to Lug Shaft Information Standard: .438" (11.1mm) Available for round, flatted, knurled, or slot metal shaft Special: .531" (13.5mm) available Diameter: 6.35mm (.250") Consult CTS for custom-made metal and economic plastic shaft Special Features and Constructions Mounting Information Terminals accepting push-on connectors available. Bushing Mount Straight or concentric tandem constructions. Diameter: EIA standard 3/8-32 UNEF-2A thread Can be combined with 450 series, 15/16" (24mm) diameter, to make any combination of straight or concentric tandem Standard length: 9.53mm (.375") or 6.35mm (.250") constructions with or without switch. Consult CTS for custom-made metal and economic plastic Long life constructions available. bushing Twisted Tab Mounting Available Long Life Construction This construction provides an extended life of 50K and 100K cycles. Consult CTS for details. Locating Lugs Standard: Left lug with terminals facing inward Available: No lug, right lug or two lugs with terminals facing inward T026 Metal Shaft, Bushing Mounting, Type "T" Solder Lug Terminals CLEARANCE HOLE MTG. SURFACE 11.9 .469 11.1 .437 3/8-32 UNEF-2A 4.16±0.08 .164±.003 2.08±0.08 .082±.003 M AX. 19.8 .780 Ø23.8 .937 3.18 .125 3 1 ±0.4 "A" ±.016 ±0.8 "L" ±.031 ±0.08 ±0.08 10.41 10.41 .410 .410 ±.003 ±.003 1.57±0.08 .062±.003 2 MAX. 22.2 .875 1.57±0.08 .062±.003 MOUNTING HOLE DETAIL 2 WIPER CCW TERMINAL (3) HOLES Ø2.18 /.086 CW 1 3 CLOCKWISE CIRCUIT DIMENSION: mm inch X026 / Y026 Metal Shaft, Bushing Mounting, Printed Circuit Type X/Y Terminals MTG. SURFACE "A" ±0.4 ±.016 11.1 .437 Ø23.8 .937 3.18 .125 3/8-32NEF-2A X=17.5 .687 Y=22.0 .867 4.0 .156 1 "L"±0.8 ±.031 TYP. 7.92 .312 MTG. SURFACE REF. 2.03±0.05 3.68 .080±.002 .145 Ø2.08±0.05 .082±.002 (6) HLS. 2 3 4.9 .191 TYP. 7.92 .312 MOUNTING HOLE DETAIL 2 WIPER CCW CW 1 3 CLOCKWISE CIRCUIT 2-4 CTS Electronic Components © 2006 CTS Corporation. All rights reserved. Information subject to change. DIMENSION: mm inch 10/15/06 www.ctscorp.com U026 Metal Shaft, Bushing Mounting, Printed Circuit Type “U” Formed Terminals CLEARANCE HOLE MTG. SURFACE 11.1 .437 11.9 .469 4.16±0.08 .164±.003 (2) 3.18 .125 (2) Ø23.8 .937 1.57±0.08 .062±.003 3/8-32 UNEF-2A ±0.4 "A" ±.016 1 3 2 14.83 .58 Ø2.54 (3) .1 (2) MOUNTING HOLE DETAIL 7.87 .31 MAX. 22.2 .875 ±0.8 "L" ±.031 (2) ±0.08 10.41 .410 ±.003 WIPER 2 CCW CW 1 3 CLOCKWISE CIRCUIT DIMENSION: mm inch V026 Metal Shaft, Bushing Mounting, Printed Circuit Type “V” Formed Terminals 4.16±0.08 .164±.003 11.9 .469 MTG. SURFACE 3.18 .125 2.08±0.08 .082±.003 11.1 .437 ±0.08 ±0.08 1.57±0.08 10.41 10.41 .062±.003 .410 .410 ±.003 ±.003 MOUNTING HOLE DETAIL 1 9 .8 .7 8 0 M A X . Ø 2 3 .8 .9 3 7 3/8-32 UNEF-2A 34.5 1.36 REF. 1.57±0.08 .062±.003 3 1 ±0.4 "A" ±.016 CLEARANCE HOLE 2 7.92(2)±0.05 .031±.002 22.2 MAX. .875 ±0.8 "L" ±.031 2 Ø2.08±0.05 .082±.002 WIPER CCW CW 1 3 CLOCKWISE 2.03±0.05 .080±.002 CIRCUIT DIMENSION: PCB LAYOUT mm inch S026 Metal Shaft, Bushing Mounting, Faston Type “S” Formed Terminals CLEARANCE HOLE MTG. SURFACE 3/8-32 UNEF-2A 4.16±0.08 .164±.003 11.1 .437 3.18 .125 Ø 2 3 .8 .9 3 7 11.9 .469 2.08±0.08 .082±.003 ±0.08 ±0.08 10.41 10.41 .410 .410 ±.003 ±.003 1.57±0.08 .062±.003 ±0.4 "A" ±.016 "L" ±0.8 ±.031 1 3 8.0 .315 MOUNTING HOLE DETAIL 2 22.2 MAX. .875 2 WIPER CCW CW 1 3 CLOCKWISE CIRCUIT 3-4 CTS Electronic Components 1.57±0.08 .062±.003 © 2006 CTS Corporation. All rights reserved. Information subject to change. DIMENSION: mm inch 10/15/06 www.ctscorp.com VPE026 Metal Shaft, Twist TAB Mounting, Type “V” Formed Terminals MTG. SURFACE MAX. 23.5 .925 MIN. 21.1 .832 11.9 .469 8.33 CENT. .328 Ø23.8 .937 REF. 34.5 1.358 ±0.8 “L” ±.031 7.92(2)±0.05 .031±.002 Ø2.08±0.05 .082±.002 CLEARANCE HOLE 4.17 .164 CENT 2.03±0.05 .080±.002 PCB LAYOUT 3.96 .156 CENT. 1 3 CW 1 2 1.57 .062 WIPER 2 CCW 10.41 10.41 .410 .410 1.57 .062 MOUNTING HOLE DETAIL 3 CLOCKWISE 22.2 MAX .875 CIRCUIT DIMENSION: * Consult CTS for details T2-026 mm inch Dual-section, Metal Shaft, Bushing Mounting, Type “T” Solder Lug Terminals 23.0 .906 MTG. SURFACE CLEARANCE HOLE ±0.8 "L" ±.031 (P) 11.1 .437 3.18 .125 2 MAX 19.8 .780 23.8 .937 (R) 3/8-32 UNEF-2 ±0.4 "A" ±.016 1 4 2 5 4.16±0.08 .164±.003 WIPER CCW CW 1 3 4 6 5 3 6 WIPER 2.08±0.08 .082±.003 1.57±0.08 .062±.003 CLOCKWISE CIRCUIT 22.2 .875 MAX. TERMINAL HOLES Ø2.18/.086 ±0.08 ±0.08 1.57±0.08 10.41 10.41 .062±.003 .410 .410 ±.003 ±.003 MOUNTING HOLE DETAIL DIMENSION: * More multi-section models available, consult CTS for details Ordering Information 026 T TERMINAL STYLE TXYU- SOLDER LUG PC .687”(17.5mm) PC .867”(22.0mm) FORMED TO FRONT V - FORMED TO REAR S - FASTON 2 METAL MOUNTING STYLE “A” BUSHING LENGTH: 1/8" INCREMENTS EXAMPLES: 2 3 8 1 - .250"(6.35mm) .375"(9.53mm) 1.000"(25.4mm) TWIST TAB MOUNT A - .250"(6.35mm) DIECAST B - .375"(9.53mm) DIECAST METAL SHAFT LENGTH “L” FROM MOUNTING SURFACE 1/32"INCREMENTS EXAMPLES: 20 - .625"(6.35mm) 24 - .750"(19.5mm) 28 - .875"(22.2mm) 32 - 1.000"(25.4mm) * CONSULT CTS FOR SPECIAL REQUIREMENTS 4-4 CTS Electronic Components 20 R 103 B 1 SHAFT TRIM RESIST TOL R - ROUND F - FLATTED .375"X.156" (9.53mmX4.0mm) K - KNURLED EIA S148 24 TEETH S - SD SLOT .063" DEEP X.047" WIDE (1.6mmX1.2mm) A - ±10% B - ±20% D - ±5% A mm inch 1 SPECIALS TAPER 1 - LINEAR 2 - 20%AUD 3 - 20%CCW AUD 1 - LOCATING LUG LEFT SIDE 2 - LOCATING LUG RIGHT SIDE 3 - NO LOCATING LUG 5 - LOCATING LUG BOTH SIDE RESISTANCE CODE EXAMPLES CODE 5A0 501 102 252 502 103 253 RESISTANCE 5 OHMS 500 OHMS 1K 2.5K 5K 10K 25K SWITCHES FUNCTION A - NONE B - SPST C - DPST CTS TYPE ROTARY ROTARY TGC 027 D - SPDT E - SPST F - SPST ROTARY PULL-PUSH ROTARY 028 FR-K FR-GC CURRENT RATING 6AMP@125VAC 3AMP@125VAC 1AMP@250VAC 3AMP@125VAC 3AMP@125VAC 3AMP@125VAC 1AMP@250VAC/DC * CONSULT CTS FOR DETAILS © 2006 CTS Corporation. All rights reserved. Information subject to change. 10/15/06 www.ctscorp.com