| GENERAL CHARACTERISTICS ITEM DESCRIPTION | KEYBOARD MECHANICAL SPECIFICATIONS; REAR GASKET,SILICONE SPONGE RUBBER; PRINTED CIRCUIT BOARD,EPOXY GLASS TYPE G-10; MYLAR INSULATOR; CONDUCTIVE ELASTOMER; BUBBLE SHEET; ELECTROLUMINESCENT PANEL; COVER,MOLDED SILICONE RUBBER,TRANSLUCENT WHITE,WITH LEGENDS INLAID IN BLACK; ELECTRICAL SPECIFICATIONS; KEYBOARD,EACH KEY SWITCH RATING,10 MA MAX AT 32 VDC; CONTACT RESISTANCE,WHEN MEASURED AT 28 OZ FORCE,500 OHMS MAX; OPEN SWITCH RESISTANCE,10 MEGOHMS MIN; SWITCH RISE AND FALL TIMES,2.0 MILLISECONDS MAX; SWITCH CONTACT BOUNCE TIME,5 MILLISECONDS MAX; ACTUATION FORCE TO INITIATE CONTACT,20 P/M 8.0 OZ; ELECTROLUMINESCENT PANEL,VOLTAGE AND CURRENT RATING,OPERATING 45 VRMS AT 10.0 MA MAX; OPERATING FREQUENCY 400 HZ P/M 20.0 HZ; LIGHT OUTPUT 3.3 FOOT LAMBERTS TYPICAL MAX; ILLUMINATION COLAR GREEN |