3547H-1BB-103

3547 BOURNS | Alldatasheet

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Technical content

Features

■ Wirewound and Hybritron® elements ■ High rotational life ■ Optional 0.20 % linearity ■ Optional A/R lug ■ RoHS compliant* ■ Suitable for use under side load ■ Designed for HMI and MMI applications ■ Dual gang option ■ Servo mount option Electrical Characteristics1 Wirewound Element Hybritron ® Element (whichever is greater) Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Power Rating (Voltage Limited By Power Dissipation) Environmental Characteristics1 Operating Temperature Range Vibration (15 Gs, 10 Hz to 2 kHz) Shock (100 Gs, 6 ms sawtooth) Rotational Life Mechanical Characteristics1 Torque Weight Shaft Side Load (Max. Allowable) Soldering Condition 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. For other options, please consult factory. *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. *RoHS COMPLIANT

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3547 - 3-Turn Precision Potentiometer Product Dimensions 30 ° ± 5 ° 12.649 ± 0.254 (.498 ± .010) MOUNTING FACE 16.256 (.640) MAX. R DIA. DIA. 22.479 ± 0.812 (.885 ± .032) 19.812 ± 0.812 (.780 ± .032) 6.86 ± 0.25 (.270 ± .010) 1.524 ± 0.254 (.060 ± .010) 20.617 ± 0.787 (.812 ± .031) 7.92 ± 0.381 (.312 ± .015) SHAFT DIMENSION “A” (.405 +0.00/-.002) 12.7 ± 0.254 (.500 ± .010) 5.715 ± 0.381 (.225 ± .015) 0.762 (.030) 0.813 (.032) 14.046 ± 0.381 (.553 ± .015) 18.446 ± 0.381 (.726 ± .015) MOUNTING SURFACE BUSHING TYPE “B” ADJUSTMENT SLOT: WIDE X 0.813 (.032) DEEP 1.499 (.059) OPTIONAL ANTI- ROTATIONAL PIN AND 7.366 (.290) RADIUS 1.016 (.040) FROM MOUNTING SURFACE ON R 2 1 3 TOLERANCES: EXCEPT WHERE NOTED DECIMALS: .XX ± .XXX ± .XXXX ± DIMENSIONS: 1 3 CW CLOCKWISE CCW

2 WIPER

.50 (.02) .127 (.005) .0127 (.0005) MM (IN) Shaft Dimension "A" 6.34 +0/-0.022 (0.249 +0/-0.0009) 6.00 +0/-0.022 (0.236 +0/-0.0009) 6.34 +0/-0.007 (0.249 +0/-0.0003) 6.00 +0/-0.007 (0.236 +0/-0.0003) Bushing Selection Code A B C D Bushing Type "B" 3/8 " 32-UNEF- 2A THD. M9 X 0.75-8g 3/8 " 32-UNEF- 2A THD. M9 X 0.75-8g Shaft Material Nickel Plated Brass Nickel Plated Brass Stainless Steel Stainless Steel Bushing Material Brass Brass Bronze Bronze Single Gang, Bushing Mount 30 ° ± 5 ° 12.649 ± 0.254 (.498 ± .010) MOUNTING FACE 16.256 (.640) MAX. R DIA. 22.479 ± 0.812 (.885 ± .032) DIA. 6.86 ± 0.25 (.270 ± .010) 1.52 (.060) 20.643 ± 0.787 (.813 ± .031) 7.92 ± 0.381 (.312 ± .015) SHAFT DIMENSION “A” (.405 +0.00/-.002) 12.7 ± 0.254 (.500 ± .010) 6.02 ± 0.381 (.237 ± .015) 0.813 (.032) 14.351 ± 0.381 (.565 ± .015) 18.796 ± 0.381 (.740 ± .015) MOUNTING SURFACE BUSHING TYPE “B” ADJ. SLOT: WIDE X 0.813 ± .0004 (.032 ± .010) DEEP 1.499 (.059) OPTIONAL ANTI- ROTATIONAL PIN AND 7.366 (.290) RADIUS 1.016 (.040) FROM MOUNTING SURFACE ON 26.467 ± 0.762 (1.042 ± .030) 34.798 ± 0.762 (1.370 ± .030) 39.243 ± 0.762 (1.545 ± .030) 40.259 ± 0.762 (1.585 ± .030) 22 11 33 1 3 CWCCW 1 3 CW CLOCKWISE CCW WIPER2 2 Dual Gang, Bushing Mount

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 30 ° ± 5 ° 16.256 (.640) MAX. R 22.225 ± 0.381 (.875 ± .015) DIA. 25.222 ± 0.787 (.993 ± .031) 6.858 ± 0.254 (.270 ± .010) 1.575 (.062) 1.575 (.062) 1.575 (.375 ± .031) DIA. DIA.17.526 (.690) 12.7 ± 0.254 (.500 ± .010) 11.13 ± 0.381 (.438 ± .015) 19.46 ± 0.381 (.766 ± .015) 23.86 ± 0.381 (.939 ± .015) MOUNTING SURFACE 2 1 3 30 ° ± 5 ° 16.256 (.640) MAX. R 22.225 ± 0.381 (.875 ± .015) DIA. 6.858 ± 0.254 (.270 ± .010) 1.575 (.062) 1.575 (.062) 1.575 (.375 ± .031) DIA. DIA.17.526 (.690) 12.7 ± 0.254 (.500 ± .010) 11.43 ± 0.381 (.450 ± .015) 19.76 ± 0.381 (.778 ± .015) 24.206 ± 0.381 (.953 ± .015) MOUNTING SURFACE 22 11 33 31.88 ± 0.78 (1.255 ± .031) 40.21 ± 0.78 (1.583 ± .031) 44.65 ± 0.78 (1.758 ± .031) 45.67 ± 0.78 (1.798 ± .031) 3547 - 3-Turn Precision Potentiometer Product Dimensions Single Gang, Servo Mount Dual Gang, Servo Mount 1 3 CWCCW 1 3 CW CLOCKWISE CCW WIPER2 2 ( ) TOLERANCES: EXCEPT WHERE NOTED DECIMALS: .XX ± .XXX ± .XXXX ± DIMENSIONS: 1 3 CW CLOCKWISE CCW .50 (.02) .127 (.005) .0127 (.0005) MM (IN)

“Hybritron” is a registered trademark of Hybritron, Inc. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3547 - 3-Turn Precision Potentiometer How To Order 3547S-2AA-103/ 103A Code H S

Description

Hybritron® Wirewound ELEMENT TYPE Code A B 180 ° ANTI-ROTATION LUG* Code 3547 NO. OF SECTIONS Code A B 0.25 % 0.20 % INDEPENDENT LINEARITY Code A B C D Shaft FMS 13/16 " 20.6 mm 13/16 " 20.6 mm Shaft Material Nickel Plated Brass Nickel Plated Brass Stainless Steel Stainless Steel Shaft Dia. 1/4 " 6 mm 1/4 " 6 mm Bushing Dia. 3/8 " 9 mm 3/8 " 9 mm Bushing Material Brass Brass Bronze Bronze BUSHING MOUNT Code E Shaft FMS 3/8 " Shaft Material Stainless Steel Shaft Dia. 1/8 " SERVO MOUNT Code Element Type Hybritron® Hybritron® Hybritron® Wirewound Wirewound Wirewound Wirewound Wirewound Wirewound Wirewound Wirewound Resolution 0.069 0.054 0.043 0.04 0.038 0.029 0.023 0.017 RESISTANCE 102 (1K Ω) 502 (5K Ω) 103 (10K Ω) 201 (200 Ω) 501 (500 Ω) 102 (1K Ω) 202 (2K Ω) 502 (5K Ω) 103 (10K Ω) 203 (20K Ω) 503 (50K Ω) For Single gang, use only first three digits. For Dual gang, use six digits separated by a "/". * Anti-rotation lug is not available for servo mount versions. REV. 04/08 Asia-Pacific: TEL +886-2 25624117 • FAX +886-2 25624116 Europe: TEL +41-41 7685555 • FAX +41-41 7685510 The Americas: TEL +1-951 781-5500 • FAX +1-951 781-5700 www.bourns.com PANEL POT LOCKWASHER HEX NUT 2.46 - 3.81 (.097 - .150) Panel Thickness Dimensions 1.60 +.08/-.03 (.063 +.003/-.001) 10.41 ± .08 (.410 ± .003) DIA. DIA. ADDITIONAL HOLE FOR ANTIROTATION PIN 7.42 (.292)R MM (INCHES)DIMENSIONS: TOLERANCES: ± 0.127 (.005) (For Bushing Mount Only)