54AAD-C28-B15 BOURNS | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 4
Technical content
Features
■ RoHS compliant* ■ Push-pull switch ■ Linear and audio tapers ■ PC board and bushing mount ■ Splash seal ■ Metal bushing and shaft
Applications
■ Test and measurement equipment ■ Communications equipment ■ Medical diagnostic equipment ■ Professional audio equipment 54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 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
54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull 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. Switch Confi gurations (Shown in Pulled Position) PULLED PUSHED DPST NC/NO DPST NO/NO DPDT SPST NO DPST NC/NC SPDT A AAA B B B B B B CC C C DD E EE E F F F Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications.
PACKAGE DIMENSIONS WITH FRONT AND REAR PCB MOUNTING BRACKET SUGGESTED PCB LAYOUT SUGGESTED PCB LAYOUT 1 3 CWCCW (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 54 can be used with either of the two panel layouts shown below. 12.5 (.492) 6.25 (.246) 6.99 (.275) 6.35 ± 0.25 (.250 ± .010) 6.35 ± 0.25 (.250 ± .010) 0.66 ± 0.05 (.026 ± .002) 3 PLCS. 2.54 (.100) SHAFT FLAT SHOWN AT 50 % OF MECHANICAL TRAVEL. 2.54 (.100) 0.41 ± 0.05 (.016 ± .002) 2 PLCS. TERMINAL SPACING 2 PLCS. 5.08 (.200) 5.08 (.200) 2.54 (.100) 0.80 ± 0.30 (.031 ± .012) 1.52 (.060) .25 .13 .80 0.76 (.030) 9 PLCS.MOUNTING SURFACE 3.3 - 4.7 (.130 - .185) SWITCH ACTUATION TRAVEL 0.64 ± 0.05 (.012) 2.54 (.100) 2.54 (.100) 5.08 ± 0.3 (.469 ± .012) 5.08 ± 0.3 (.200 ± .012) 15.24 ± 0.25 (.600 ± .010) SWITCH MODULE 8.89 ± 0.17 (.350 ± .007) PRIMARY UNIT L (SEE SHAFT/ BUSHING STYLES) A B C D E F B (SEE SHAFT/ BUSHING STYLES) 5.08 (.200) 5.08 (.200) 5.08 (.200) 11.9 (.469) MOUNTING SURFACE 0.76 (.030) 9 PLCS. 1.02 (.040) 4 PLCS.MOUNTING SURFACE 2.54 (.100) 2.54 (.100) 1.32 (.052) 5.08 (.200) 5.08 (.200) 5.08 (.200) 5.08 (.200) 11.9 (.469) 5.08 (.200) 24.13 ± 0.53 (.950 ± .021) 1.32 ± 0.25 (.052 ± .010) 2 PLCS. 0.64 ± 0.05 0.91 ± 0.05 (.036 ± .002) 2 PLCS. 0.3 (.012) 5.08 ± 0.3 (.469 ± .012) 5.08 ± 0.3 (.200 ± .012) 28.37 (1.117) Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. 54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull Switch Product Dimensions DIMENSIONS: MM (INCHES) Suggested Panel Layouts Electrical SchematicAnti-Rotation Lug 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. 54 - 1/2 ” (12.5 mm) Panel Control w/Push-Pull 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 REV. 03/12 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 5 4 A A D - C 2 8 - B 1 5 / P 5 0 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 P50 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 STD. LENGTH ‘L’ .750 (19.05) .875 (22.23) STD. LENGTH ‘L’ .750 (19.05) .875 (22.23)