Features Integrated digital contacting encoder Mounts directly to the back side of a PCB with metal bushing Can be integrated into any circuit Detented versions available Long operating life 01943-3 Series Rear Mount Module Bourns 01943-3 Series Rear Mount Module is designed for integration into any Printed Circuit Board and completes the value-added solution for Integrated Panel Control applications. Competitive features result in cost savings, reduced inventory, and improved reliability. Fits within envelope of existing discrete units - change from discrete to integrated version is transparent to customers and no change to existing sheet metal is required. Electrical Characteristics Closed Circuit Resistance ...............................................................................................................................................................................5 ohms maximum Open Circuit Resistance ...........................................................................................................................................................................100 K ohms minimum Contact Rating........................................................................................................................................................................................10 milliamps @ 10 VDC Electrical Travel..........................................................................................................................................................................................................Continuous Environmental Characteristics Operating Temperature Range ........................................................................................................................................................................-40 C to +125 C Storage Temperature Range ...........................................................................................................................................................................-40 C to +140 C Life ...................................................................................................................................................................................................................200 K revolutions Vibration ...............................................................................................................................................................................................................................15 G Humidity..............................................................................................................................................................Per MIL-STD-202, Method 103B, Condition B Product Dimensions 14.17 .38 TYP. (.558 .015) R 13.97 TYP. (.550) 3.18 (.125) 9.27 (.365) 10.34 (.407) 10.34 (.407) 4.75 DIA. (.187) 5.97 (.235) 23.88 .38 TYP. (.940 .015) DIA. CHAMFER .51 X 45 (.020) MAX. 11.94 (.470) 1.02 (.040) TYP. FRONT VIEW 6.91 .05 DIA. (.272 .002) PLATED 6.60 (.260) 7.62 TYP. (.300) 5.21 (.205) SIDE VIEW DIMENSIONS: 3 PLCS. 2.13 +.05/-.03 DIA. (.084 +.002/-.001) NON-PLATED PCB HOLE DIMENSIONS MM (IN.) Specifications are subject to change without notice. 01943-3 Series Rear Mount Module How To Order 0 1 9 4 3 - 3 0 3 5 1 SHAFT LENGTH* (From Rear Surface of PCB) INTEGRATED PCB SYSTEM MODULES Code Description 1 5/8" Length Code 1 2 3 *Consult factory for other lengths. SERIES MODULES Description Front Mount Front Mount with Switch Rear Mount SHAFT MATERIAL* Code Description 5 Plastic, 3/16" Dia. Flatted *Consult factory for other materials and diameters. NUMBER OF DETENTS Code Description 0 None 1 6 Detents 2 12 Detents 3 24 Detents NUMBER OF PULSES / REV. Code Description 0 6 Pulses (Incremental) 1 9 Pulses (Incremental) 2 12 Pulses (Incremental) 3 24 Pulses (Incremental) 4 36 Pulses (Incremental) NOTE: This chart illustrates the numbering system for the module level only. Each Integrated PCB system will require several modules in addition to the PCB and electronic components that are unique to each application. REV. 04/03 Specifications are subject to change without notice.