84B-AB2-022BN

Keyboards and Keypads Standard Keypads SERIES 84B Backlit with Self Adhesive Legends FEATURES Backlit for Low Light Applications Waterproof Silicone Rubber Audible, Tactile Contacts Low Contact Resistance Optional RFI/EMI Shielding 3,000,000 Operations per Button DIMENSIONS In inches (and millimeters) 3 x 4 Keyboard .290 REF (STYLE 1) .368 REF (STYLE 2) .100 TYP. .525 .750,3 EQ SPS., SWITCH .025.002 SQUARE 6-32 MTG TOL.NON-ACCUM. POSITION TERMINAL PINS STUD, IDENTIFICATION 7 PLACES 4 PLACES X Y A B CDE F G .425 123 456 X YA CDE F G 3.100 B 1.500 DETAIL A .020 78 9 .750 TERMINAL PIN IDENTIFICATION LABEL 4 x 4 Keyboard DETAIL 10 11 12 SCALE=1.5:1 .368 .425 .350 REF. .800 .750,2 EQ.SPS., .267 1.650 TOL.NON-ACCUM. REF. .390 SQ. LEGEND .207 INSERT AREA 2.350 .020 .357 6-32 MTG STUD, 6 PLACES SWITCH .750,3 EQ SPS., .025 .002 TOL.NON-ACCUM. POSITION .490 SQ. TERMINAL IDENTIFICATION PINS 10 PLCS. X .425 Y 12 3 4 H .100 G TYP. F 5678 2.250 E 3.100 D .020 910 11 12 C .775 B 13 14 15 16 A DETAIL A .290 REF .425 .310 (STYLE 1) 1.125 TERMINAL PIN IDENTIFICATION .368 REF DETAIL .750,3 EQ.SPS., (STYLE 2) .750 SCALE=1.5:1 TOL.NON-ACCUM. .267 LABEL .390 SQ. REF. LEGEND 1.500 .207 INSERT AREA 2.120 3.100 .020 .357 Keypads 7 Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.comKeyboards and Keypads Standard Keypads SCHEMATIC AND TRUTH TABLE 3 x 4 4 x 4 Typ. Current Consumption Forward Voltage (With 5V Pwr. Supply) LED Color Resistor Min. Typ. Max. 3 x 4 4 x 4 (OHMS) Red - 1.95 2.40 43 155mA 205mA Yellow/Green - 1.95 2.40 43 155mA 205mA Green 1.50 - 2.40 43 155mA 205mA Orange - 1.95 2.40 43 155mA 205mA Materials and Finishes Life Expectancy: 3 million operations/button SPECIFICATIONS Terminal Pins: Copper alloy CDA 725 Insulation Resistance: >1,000 megohms Rating Criteria PC Board: FR-4 glass cloth epoxy Rating at 24 Vdc: - 10 milliamps resistive Dome Retainer/Rear Seal Sheet: Polyester Operating Features (max.) Mounting Studs: Phosphor bronze Pre-Travel: .030 inches minimum Contact Bounce: 4 milliseconds maximum Optional Hex Nut: Stainless steel, passivated Operating Force: 20 4 ounces at make 10 milliseconds, at break Optional EMI Shield: Aluminum foil Humidity: 0 to 98% (no condensation) Contact Resistance: 10 ohms maximum Keypad: Silicone rubber SELF-ADHESIVE LEGEND SHEETS Each 8.5 x 11 legend sheet contains commonly used symbols, terms, alpha characters and 0-9 in helvetica bold type. Self- adhesive legends are clear urethane on a chrome mylar base. Adhesive is silicone/acrylic. Legends can be purchased in the following ways: 1. Entire legend sheets: Part numbers 84AC5012-1, -2, -3 OR -4. 2. Individual legends: Part numbers 84AC5012-0001, -0002 etc. (Individual legend pins are for groups of 10 legends each) 3. See Grayhill drawing 84AC5012-X for detailed information on available legends, sizes and fonts. ORDERING INFORMATION 84B = Insertable Legend, Sealed and Shielded 84BN = Insertable Legend, Sealed and Non-Shielded Keyboard Size: A = 3 x 4, B = 4 x 4 B = Matrix Code 84BN-AB-022AN N = Mounting Nuts Supplied and Shipped Loose, Blank = No Nuts Supplied Led Color: A = Red, B = Yellow, C = Green, D = Orange Keypads Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com 8