Rotor Technologies - Esterline Interface Technologies - #2

Memtron Input Components specializes in the design and manufacturing of components associated with input tech­nologies, including membrane switches, elastomeric keypads, flex circuits, and touch screens.

Electrical (switch type and codes)

Quadrature (repeating 2-bit gray code) ...................8(16 detent), 12(24 detent); pulses / 360°

Binary (repeating 2-bit code).....................................8(l6 detent), 12(24 detent); pulses / 360°

On / off switch.............................................................available

Analog potentiometer...............................................available

Analog potentiometer resistance..............................1K - 10K ohm, 300° sweep; linear taper

standard; total resistance tolerance ± 20%

Voltage........................................................................3 to 30 VDC

Current........................................................................ 10mA

Power ..........................................................................100mW maximum

Electrical life................................................................>100,000 cycles

Maximum contact resistance .....................................<500 ohms at end of life

Open circuit and insulation resistance......................>20 Meg ohms (between mutually

insulated parts)

Voltage breakdown.................................................... 250 VAC (peak to peak, between mutually

insulated parts)

Cover diameter........................................................... 0.875" / 22.2mm

Cover height ...............................................................0.138" / 3.5mm

Shaft diameter............................................................ 0.236" / 6mm

Shaft type....................................................................round with flat

Shaft length ................................................................ 0.285" / 7.24mm

Length of flat.............................................................. 0.270" / 6.8mm

Dimension from shaft back to flat ............................0.178" / 4.5mm

Rotational life:

- carbon ink blend .....................................................>100,000 cycles

- copper on flex..........................................................<500,000 cycles

Contacts.......................................................................ball armature

Shear force of shaft....................................................12 lbs. / 50N

Number of detents.....................................................0, 1, 16(22.5°), 24(15°) stock; custom available

Detent ......................................................................... ball and spring

Stop plate positions .................................................... 300° sweep standard; custom available

Stop strength..............................................................3.0 in. lb. / .35Nm nominal

Rotational torque.......................................................2.5 in. oz. /17mNm nominal

Rotor / shaft / detent ring..........................................engineering thermoplastic

Cover ...........................................................................plated brass alloy

Magnet material ......................................................... rare earth

Circuit..........................................................................polyester flex

Ball armature .............................................................. gold-plated stainless steel

Storage ........................................................................ -40°C to 85°C

Operating temperature..............................................-40°C to 85°C

Thermal shock.............................................................-40°C to 85°C

Humidity resistance....................................................95% RH

Salt fog, 5% solution .................................................. 24 hours

Shock...........................................................................100g

Drop ............................................................................. 8 feet

Carbon ink...................................................................-40°C to 85°C

Copper on flex............................................................-54°C to 105°C

© 2006 Esterline Corporation. All rights reserved. Trademarks and trade names are property of their respective owners. Memtron reserves the right to make changes to products and services described herein without prior notice.

Esterline Corporation

Memtron Input Components Tel: 989-652-2656

530 North Franklin Street Fax: 989-652-2659

P.O. Box 207 sales@memtron.com

Frankenmuth, MI 48734 www.memtron.com