l series fm membranes www.nkk.com indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable rockers touch tilt l15 toggles power level 20ma @ 24v dc contact resistance 500? maximum (10ma @ 10v dc) insulation resistance 100 megohms minimum @ 250v dc minimum dielectric strength 250v ac minimum for one minute minimum operational life 1,000,000 operations minimum contact timing 10 milliseconds maximum nominal operating force 1.0n ~ 6.0n stroke: nonilluminated illuminated with overlay .016 ~ .039 (0.4mm ~ 1.0mm) .020 ~ .047 (0.5mm ~ 1.2mm) operating temperature range C15c ~ +50c (+5f ~ +122f) illuminated C15c ~ +55c (+5f ~ +131f) nonilluminated ? nonilluminated options in 4 or 16 keys, illuminated choices in 12 o r 16 keys ? 1.0mm (.039) tail pitch ? easily integrated into designs: replaces multiple mechanical switche s, soldered wires and cable assemblies ? card insertion into design supports customized legends for nonilluminated models ? actuating dome offers crisp, tactile feedback to positively indicate circuit transfer ? illuminated models feature legends on embossed keypads ? adhesive backing for easy mounting ordering information description part number illumination number of keys surface sheet black (d) gray (e) overlay fmbn04bd nonilluminated 4 ? fmbn04be 4 ? fmbn16bd 16 ? FMBN16BE 16 ? fmbp12bf dot illuminated with overlay 12 gray surface sheet with embossed white keypad and gray legends fmbp16bf 16 distinctive characteristics general specifications r = e ? v f i f where: r e v f i f = resistor v alue (ohms) = source v oltage (v) = for ward v oltage (v) = for ward current (a) v f i f r + ? e anode cathode the electrical specifcations shown are determined at a basic temperature of 25c. led is an integral part of the switch. leds are not sold separately. led circuits are isolated and require an external power source. if the source voltage exceeds the rated voltage, a ballast resistor is required. single element led color: amber unit forward voltage ( typical) v f 2.1 v forward current (typical) i f 20 ma forward current (maximum) i f 30 ma * forward peak current (max) i fm 195 ma reverse voltage (maximum) v r 5.0 v * note: pulse width 0.1msec maximum with a maximum duty cycle ratio of 1/10 led specifications
series fm membranes www.nkk.com l indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable rockers touch tilt l16 toggles nonilluminated ? 4 or 16 keys switch circuit matrix detail for 4 or 16 key (1) (2) (3) (4) 2 3 4 5 1 (13) (9) (5) (1) (2) (6) (10) (14) (15) (11) (7) (3) (4) (8) (12) (16) 8 7 6 5 4 3 2 1 (0.1) .004 (0.12) .005 ~ (82.5) 3.248 (18.0) .709 sq typ (19.0) .748 typ (12.75) .502 typ (25.5) 1.004 (1.0) .039 (82.5) 3.248 sq (18.0) .709 sq typ (19.0) .748 typ (12.75) .502 typ (19.0) .748 typ (12.75) .502 typ (1.0) .039 insertable legend card for 4 key or 16 key switch circuit matrix for 16 key switch circuit matrix for 4 key (70.0) 2.756 (1.2) .047 (0.3) .012 (8.0) .315 3.661 (93.0) sq .709 (18.0) .354 (9.0) typ pin 8 .020 (0.5) r typ (4.0) .157 .039 p (1.0) ty p .028 (0.7) pin 1 13 9 5 1 14 10 6 2 15 11 7 3 16 12 8 4 (70.0) 2.756 (1.2) .047 (0.3) .012 (8.0) .315 fmbn16bd black surface sheet key numbers in parenthesis are not actually on panel and are for reference only key numbers in parenthesis are not actually on panel and are for reference only *tsub-bst are supplied with the nonilluminated switch keypad assembly in bl(sbb:px 1.417 (36.0) (4.0) .157 .236 (6.0) .039 p (1.0) typ .028 (0.7) typ pin 1 pin 5 3.661 (93.0) .020 (0.5) r typ 1 2 3 4 typical switch dimensions fmbn04be gray surface sheet
l series fm membranes www.nkk.com indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable rockers touch tilt l17 toggles fmbp12bf fmbp16bf illuminated ? 12 or 16 keys switch circuit matrix for 12 key key numbers in parenthesis are not actually on panel and are for reference only led circuit matrix for 12 key switch circuit matrix detail for 12 or 16 key led circuit matrix detail for 12 or 16 key switch circuit matrix for 16 key led circuit matrix for 16 key 16 15 14 13 12 11 10 9 (0) (4) (8) (c) (d) (9) (5) (1) (2) (6) (a) (e) (f) (b) (7) (3) 2.913 (74.0) (93.0) 3.661 led cable .709 (18.0) (19.0) .748 (4.0) .157 switch cable .039 p (1.0) typ .028 (0.7) typ .354 (9.0) typ pin 8 pin 9 16 .020 (0.5) r typ 1 # 23 45 6 78 9 0 p in 1 3.661 (93.0) led cable sq .709 (18.0) (19.0) .748 (4.0) .157 switch cable .039 p (1.0) typ .028 (0.7) typ .354 (9.0) typ pin 9 16 pin 8 .020 (0.5) r typ 1 02 3 45 67 89 ab cd ef pin 1 (2.0) .079 (70.0) 2.756 (8.0) .315 (0.3) .012 typ (2.0) .079 (70.0) 2.756 (8.0) .315 (0.3) .012 typ (1) (4) (7) ( * )( 0) (8) (5) (2) (3) (6) (9) (#) 8 7 6 5 4 3 2 1 nc 16 15 14 13 12 11 10 9 (1) (4) (7) ( * ) (0) (8) (5) (2) (3) (6) (9) (#) nc (0) (4) (8) (c)( d) (9) (5) (1) (2) (6) (a) (e)( f) (b) (7) (3) 8 7 6 5 4 3 2 1 % p u j m m v n j o b u j p o b u v q q f s m f g u d p s o f s p g f b d i l f z q b e % p u j m m v n j o b u j p o b u v q q f s m f g u d p s o f s p g f b d i l f z q b e typical switch dimensions
series fm membranes www.nkk.com l indicators accessories supplement tactiles keylocks rotaries pushbuttons illuminated pb slides programmable rockers touch tilt l18 toggles border (1.5) typ .059 printable area card (1.5) typ .059 1 4 7 2 5 8 3 6 9 c b a adhesive strip protective film surface sheet 1 0 4 7 2 stop 5 8 3 6 9 c d b a surface sheet instructions for customizing insertable legends the membrane keypad assembly comes with three insertable legend cards: yellow, gray and black. the following provides guidelines for creating and insertion of legend cards for the membrane switch keypad assembly. read all of the instructions prior to customizing and inserting the legend card. ? using the borders on the insertable legend card as a guide, be sure characters on the card are about 1.5mm (.059) within these borders. this is the printable area. ? legend characters may be drawn, printed, etc. be sure that applicatio n choice is completely dry before inserting into membrane keypad assembly. instructions for inserting legend card ? note correct orientation of insertable legend card. insert card under surface sheet, and use caution to avoid bending the membrane keypad assembly. do not use pointed object to insert card, and do not remove surface sheet. ? align and center all legend characters within the squares of the su rface sheet. ? smooth any wrinkles or air pockets from surface sheet. ? peel off adhesive strip from the membrane keypad assembly. ? the legend card is now frmly in place and cannot be removed. ? detach the protective flm. ? communication equipment ? offce machines ? electronic equipment for national security ? automation equipment ? electronic equipment ? amusement equipment connectors insertable legend cards applications recommended connectors for 5 pin straight: fci part no. slw5s-5c7lf right angle: fci part no. slw5r-5c7lf recommended connectors for 8 pin straight: fci part no. slw8s-5c7lf right angle: fci part no. slw8r-5c7lf precautions for handling ? assembly of legend card insert is handled by the customer. therefore, we recommend to evaluate the fnished product with the card assembled. ? nonilluminated products have a loophole on each key. it is possible to add optional illumination by installing appropriate leds. legend card does not have loopholes. ? to test proper electrical operation of switches, use of an electric buzzer is recommended. ? use an additional chattering prevention circuit for the switch circuit. ? do not operate switches with pointed objects (i.e. screwdrivers) to pr event perforation of flm overlay. ? use an fpc connector that corresponds to the printed circuit. contac t factory for suitable connectors. ? during assembly and installation of legends place devices on a leve l, sturdy surface. we do not recommend assembly and installa - tion of device using a free hand or on a soft surface. ? do not fold, bend, or apply pressure to the product. ? these devices contain adhesive that may emit noise. this does not af fect product functionality. ? do not depress any switch areas during assembly/installation. ? these membrane switches are built with air vents. prior to installatio n, make corresponding holes to allow air vents to function. these holes should frst be aligned with the membrane switch device, then made on the body of the fnal installation structure. do not allow water or oil to penetrate through the air vents. entr y of any liquids through the air vents may cause contact failure.
|
