56AAD-C28-B15 BOURNS | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
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Technical content

Features

■ RoHS compliant* ■ CW or CCW rotary switch ■ Linear and audio tapers ■ PC board and bushing mount ■ Splash seal ■ Metal bushing and shaft

Applications

■ Test and measurement equipment ■ Avionics controls ■ Communications equipment ■ Medical laboratory equipment 56 - Sealed 1/2 ” (12.5 mm) Panel Control w/Rotary Switch *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. Electrical Characteristics1 Standard Resistance Range Total Resistance Tolerance Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Power Rating At 70 °C (Derate To 0 At 125 °C) (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) Environmental Characteristics1 Moisture Resistance (MIL-STD-202, Method 103, Condition B) IP Rating Mechanical Characteristics Torque Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean fl ux. Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean fl ux. 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. *RoHS COMPLIANT

56 - Sealed 1/2 ” (12.5 mm) Panel Control w/Rotary Switch Initial Electrical Characteristics - Switch Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Environmental Characteristics1 Moisture Resistance (MIL-STD-202, Method 103, Condition B) 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications.

PACKAGE DIMENSIONS W/PCB MOUNTING BRACKET 1 3 CWCCW ANTI-ROTATION LUG (Style "A", 90 ° CW Shown) 0.41 (.016) BUSHING DIAMETER 0.80 ( .031) 2.20 (.087) FOR TOLERANCES SHOWN: .XX = ± (.010) .XXX = ± (.005) SHAFT DIMENSIONS ± (1/32) 5.70 (.224) 6.20 (.244) BUSHING DIAMETER 0.80 ( .031) 2.77 (.109) 6.35 (.250) The Model 56 can be used with either of the two panel layouts shown. (Double Module Front and Rear Bracket Shown) 16.51 ± 0.25 (.350 ± .007) .64 ( .025)"L" 0.30 (.0118) 5.08 ± 0.30 (.200 ± .012) 7.62 ± 0.30 (.300 ± .012) 12.5 (.492) 11.00 (.432) DIA. 0.74 (.029) 6.25 (.246) 7.00 (.275) 6.35 ± 0.25 (.250 ± .010) .66 ± .05 (.026 ± .002)3 X 2.54 (.100) 2.54 (.100) 16.51 ± 0.25 (.650 ± .010) .64 ( .025)"L"± 5.08 ± 0.30 (.200 ± .012) 0.91 ± .051 (.036 ± .002) 6.35 ± 0.25 (.300 ± .012) 1.32 ± 0.25 (.052 ± .010) 12.5 (.492) 11.00 (.432) DIA. 0.74 (.029) 6.25 (.246) 7.00 (.275) 6.35 ± 0.25 (.250 ± .010) .41 ± .05 ( .016 ± .002)2 X 2 X 5.08 (.200) 2.54 (.100) 5.08 (.200) 0.80 ± 0.30 (.031 ± .012) 1.52 (.060) .25 .13 .80 ( .100)TERMINAL SPACING2.54 132 ° ± 5 ° CCW END 1.32 (.052) FMS CL OF POT 2.54 (.100) TYP. 1.27 (.050) DIA. 4 PLCS. 1.02 (.040) DIA. 6 PLCS. 6.35 (.250) 7.62 (.300) 5.08 (.200) SPDT CCW CW 1’ 1 Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. 56 - Sealed 1/2 ” (12.5 mm) Panel Control w/Rotary Switch Product Dimensions DIMENSIONS: MM (INCHES) Recommended PCB Layout Suggested Panel Layouts Electrical Schematic Switch Confi guration Terminal Layout

OPT. 3/8-32UNEF-2A 9.53 (.375) 1.60 ± 0.25 (.063 ± .010) OPT. 1.194 ± 0.10 (.047 ± .004) SHAFT 6.35 (.250) BUSHING 9.53 (.375) Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. 56 - Sealed 1/2 ” (12.5 mm) Panel Control w/Rotary Switch STD. LENGTH ‘L’ .750 (19.05) .875 (22.23) A Style Bushing C Style Bushing A Style Bushing - Flatted Shaft DIMENSIONS: MM (INCHES) How To Order 5 6 A A D - C 2 8 - B 1 5 / R 8 1 L MODEL Code

Description

A C 3/8 ” D x 3/8 ” L Threaded 1/4 ” D x 1/4 ” L Threaded SWITCH OPTION Code R80 R81 3/4 “ FMS Long 7/8 ” FMS Long RESISTANCE CODES Code Value in Ohms 10K 50K 100K 250K 500K ELEMENT TAPER TYPE/TOLERANCE Code B E D S Linear CP ±20 % Linear CP ±10 % CW Audio CP ±20 % CW Audio CP ±10 % ANTI-ROTATION LUG / BRACKET OPTION Code A D L N AR Lug 90 °CW No AR Lug or Bracket Front Bracket Front and Rear Bracket NO. OF SECTIONS Code A L Boldface features are Bourns standard options. All others are available with higher minimum order quantities. AVAILABLE ONLY WITH SHAFT STYLE BUSHING Code Description Code B 1/4 ” D Slotted End A C 1/4 ” D Flatted End A E 1/8 ” D Slotted End C Shaft/Bushing Styles 1/4-32UNEF-2A OPT. 6.35 (.250) 0.79 ± 0.25 (.031 ± .010) OPT. 0.79 ± 0.10 (.031 ± .004) SHAFT 3.18 (.125) BUSHING 6.35 (.250) 3/8-32UNEF-2A OPT. 9.53 (.375) 1.52 ± 0.25 (.060 ± .010) OPT. 5.49 ± 0.10 (.216 ± .005) SHAFT 6.35 (.250) BUSHING 9.53 (.375) MAX. FLAT LENGTH 15.88 (.625) Asia-Pacifi c: Tel: +886-2 2562-4117  Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555  Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500  Fax: +1-951 781-5700 www.bourns.com STD. LENGTH ‘L’ .750 (19.05) .875 (22.23) STD. LENGTH ‘L’ .750 (19.05) .875 (22.23)