SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE SCSI SERIES SUBMINIATURE PUSHWHEEL SWITCHES FEATURES The smallest panel mounting pushwheel switches available . Designed for SCSI applications. ESD protection up to 8KV. Integrated front mounting models. Recessed actuator buttons. P.C. board options include solderable lands or a selection of headers. SCSI SPECIFICATIONS MATERIALS Body: Panel mounting hole: Height Width Installed depth with p.c. board: .906"(23mm) Insertion from front Insertion from rear yes no .562"(14.3mm) .425"(10.8mm) CODES Code 131 BCD 131 BCD 301 positions marking 8 0-7 10 0-9 16 0-9,A-F see truth tables see truth tables see truth tables PPO PC board: FR 4 DIN 40802 IEC 249-2, Contact surface gold over nickel on copper Sliding contact: Gold over nickel on copper alloy STANDARD COLORS Housing,Drum,Printing 2 = black 3 = white 2,2,3 T ELECTRICAL DATA Operating voltage: Contact load, static: Contact load, dynamic: Contact resistance (type AK): ESD protection: 40 V max. 0.5 A max. 100 mA max. less than 120 mOhm 8KV max. TECHNICAL DATA Operating temperature range: Electric life, min. switching cycles Actuation force, approx (oz.): Character height, 10 position: Character height, 16 position: Audible click -20C to 80C 10,000 18 .122"(3.1mm) .094"(2.4mm) yes Other special features are available upon request including: Factory or customer set stops Cable harnessing Red digits Decimal point Special codes or printing APEM, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com T1 SCSI SERIES SUBMINIATURE PUSHWHEEL SWITCHES TRUTH TABLES CODE 131 BCD (8 positions) C 1 2 4 8 CODE 301 HEXADECIMAL C 1 2 4 8 0 1 2 3 4 5 6 7 8 9 1 2 4 8 C 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 8 9 A B C D E F MECHANICAL OUTLINE WITH PANEL CUT-OUT SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE CODE 131 BCD (10 positions) HEADER OPTIONS LS LSA LSB T LSD LSC Ordering information: Below is an order format that enables you to 'build your own switch' and specify the correct switch model number by simply selecting from available options shown and filling in the boxes. 'BUILD YOUR OWN SWITCH' ORDER FORMAT Series model S C S Code A I 1 3 3 0 Example of complete model no.: SCSI131AKLS2B07 T2 P.C. board 1 BCD (all models) 1 Hexadecimal Header options For BCD only 2 K Short Standard colors (NONE) L S L S A L S B L S C L S D Black housing and drum. White lettering (NONE) B 0 7 Specify for 8 position BCD model APEM, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com