227

Series 227 ® CTS 227 Rotary Switches Features • Hill and valley detent • Enclosed diecast detent plate • Low cost • 30˚ indexing • Solder lug and printed circuit terminals available • Molded stator prevents solder from flowing into the circuit • Custom switching patterns available • Index or wafers are available separately • RoHS compliant Electrical and Mechanical Specifications Indexing Double bump spring hill and valley detent with 30°indexing for 2 through 12 positions or continuous rotation. Voltage and Contact Rating UL Rating: 3/4 amp at 125 VAC (shorting type only) Special Rating: 1/4 amp at 28 VDC (shorting or non shorting) 1 amp at 28 VDC (shorting type only) Contact Resistance .015 ohm when measured from adjacent terminals Stop Strength 15 in-lb (17.3Kgf-cm). Torque As required within a range of 10 in-oz. (720gf-cm) to 60 in-oz. (4.3Kg-cm). Detent Rotational Life Standard: 25,000 cycles through 12 positions and return at 10 cycles per minute. Materials Shaft:Aluminum or unplated brass at CTS option Bushing: Brass or Zinc diecast at CTS Detent Spring: Stainless steel Detent Plate: Zinc diecast Rotor Contacts, Stator Contacts and Terminals:Silver plated brass standard Stator Insulator:Glass reinforced thermoset material Bushing Lengths Standard: 3/8"-32 UNEF-2A Thread,1/4" (6.35mm) or 3/8" (9.53mm) long. Special Lengths: Available as required — Brass Locating Lugs Standard:Left side .531" (13.5mm) radius Special:Right side .531" (13.5mm) radius or no lug Shaft Trim Standard:Plain round Special:Flat, slot, knurl, or mixed (flat with slot) Frames Machine screw, or staked strut (up to 3 wafers only) Lubrication Special lubrication is used sufficient for the life of the index assembly under normal hand operation. Technical Data Sheet 1448C 1-3 CTS Electronic Components © 2006 CTS Corporation. All rights reserved. Information subject to change. 9/30/06 www.ctscorp.com Physical Dimensions 0.38 .015 6.35 .250 * 1.55 .061 0.4 "A"± .016 3/8”-32 UNEF 2A THD. 28.6 1.125 L 26.98 1.062 1.312 33.3 6.35 .250 Ø6.35 .250 "L"± .031 0.8 3.2 .125 A 13.5 .531 * NOTE : 10.82/.426 DIMENSION BASED UPON USE OF ONE 6.35/.250 SPACE NO SPACERS OR SPACERS OF NUMEROUS LENGTHS ARE AVAILABLE TO PROVIDE PIN SPACINGS AS REQ'D 8.07 .318 10.82 .426 * Detent Only DIMENSION: mm INCH Typical Assembled Switch Available Terminal Styles 36.6 1.44 39.95 .687 5.74 .226 (7) 1.573 26.98 1.062 36.44 1.433 38.0 1.496 3.7 .146 17.44 .687 2.54 .100 (13) 21.0 17.44 26.2 1.03 22.1 .870 .687 .827 17.44 X-Style Y-Style Ø38.76 TO OUTSIDE 1.526 OF TERMINALS 33.32 13.49 .531 Ø1.98 .076 HOLE @ 15° AS REQUIRED 1.312 15° 26.98 1.062 R15.09 .594 2-CLEARANCE HOLES FOR #4-40 PANHEAD SCREWS P.C. BOARD MOUNTING HOLE T-Style Ø2.94±0.05 (2)THR. HOLE .116±.002 7.88 .310 7.09 .279 4.46 .176 4.95 .279 1.28 .050 2.79 .110 U-Style DIMENSION: mm INCH P-Style 2-3 CTS Electronic Components © 2006 CTS Corporation. All rights reserved. Information subject to change. www.ctscorp.com 9/30/06 Ordering Information 227 T 01 POLES 01 – 1 POLE 10 – 10 POLES ETC. 02 N CONTACT TYPE N – NON SHORTING S – SHORTING (BREAK BEFORE MAKE) (MAKE BEFORE BREAK) 2 20 SHAFT FMS 1/32" INCREMENTS 20 – .625" (15.9mm) 24 – .750" (19.1mm) 28 – .875" (22.2mm) 32 – 1.000" (25.4mm) R N SPECIALS N – NONE D – NO LOCATING LUG E – LOCATING LUG RIGHT SIDE MOUNTING STYLE TERMINAL STYLE T – SOLDER LUG X – PC WITH .688"(7.48mm) HEIGHT STAND OFF U – PCFORMED TO REAR P – X STYLE WITH .100" (2.54mm) SPACING Y – PC WITH .870" (22.1mm) HEIGHT STAND OFF BUSHING LENGTH: 1/8" INCREMENTS POSITIONS 02 – 2 POSITIONS 12 – 12 POSITIONS, ETC. EXAMPLES: 2 – .250" (6.35mm) 3 – .375" (9.5mm) SHAFT TRIM R –ROUND F –FLATTED .375" X .156" (9.55mm X 4.0mm) K –KNURLED EIA S148(24 TEETH) S –SD SLOT .047" WIDE X .063" DEEP (1.2mm X 1.6mm) M – FLATTED .375” X .218” (9.53mm X 5.54mm) WITH SLOT 3-3 CTS Electronic Components © 2006 CTS Corporation. All rights reserved. Information subject to change. www.ctscorp.com 9/30/06