MECHANICAL DATA
Keys	89 keys (including 2 mouse buttons)
Key top style	Protuberant rectangular keys with tactile feeling
Key Size	15.88mm x 15.68mm for normal keys
Key travel	1.50mm±0.1mm
Actuation Force	1.5N±0.2N (pressure point )
Switch life	more than 5 million of operations
Touch pad	sealed and ruggedized tough touchpad
Touchpad cover	Composite
More than Lifetime 10 million strokes
Mutual capacitance sensing
X/Y axis location detection resolution	40 Counts /mm
X/Y position report	relative
Output (self-detectable depending on cable)	PS2 or USB
Tracking speed	Maximum 1,016 m/sec
Power supply voltage	5V ± 0.25V
Current rating (active mode)	< 10 mA
G.W.	0.80KGs
ELECTRICAL DATA
Supply Voltage	DC +5V±5%
Current Rating	50mA when backlight is off, 300mA with backlight on
Lifespan	> 5 years
Switch Contact Material	Carbon-on-Gold key switch technology with gold PCB
Interface	PS2, USB available
Cable length	Standard 2.0m, customized length available
OS	All Windows, Linux, Unix, Mac OSX, Vxworks, Android, (U-cos--To be confirmed).
ENVIRONMENTAL ADAPTABILITY
Operating temperature	-40℃ to +75℃
Storage temperature	-45℃ to +85℃
Operating RH	100%
Atmospheric pressure	60-106Kpa
Saline mist	96 hours, IEC 60512-6
Damp heat test at +40℃	21 days, IEC 60512-6
Dry heat test at +85℃	10 days, IEC 60512-6
RELIABILITY
RoHS compliant, CE and FCC certified.MIL-STD-810H (high and low wide temperature, low pressure, humidity, vibration, shock, temperature shock, rain, salt mist, sand and dust, fungus, solar radiation etc.)
Protection Level	IP65 dynamic (front panel)
Key Lifespan	>5 million actuations
MTBF	>20000H
MTTR	<30min
APPLICATIONS	Vehicle, aerospace, naval, defense, maritime, Radar, console, portable rugged laptop, UAV ground station etc.

Key Technology Rugged System Ltd

K-TEK-M276TP-FN-BL-ML-OEM