Datasheet

unimec™
Technical specications
RoHS Compatible
For product updates and/or changes of specifications please see www.mec.dk
RA
High Temperature Versions
Silver Gold
Electrical Specifications
Contact resistance Max. 100 m Ω (initially)
Insulation resistance >10 M Ω
Recommended load Min. 0.5 mA Min. 0.5μ A
Max. 250 mA – 120 V – 9W AC – 6W DC
Max. Current in non switching state 0.5 A
Contact bounce Max. 10 ms
Dielectric strength between adjacent contacts 1000 V for 2 min.
Insulation resistance between adjacent contacts 5 X 10
13
Ω
Capacitance between adjacent contacts 0.5 pF
Mechanical Specifications
Standard actuation force (switch) Typ 2.5N
Max. Actuation force without cap 100N for 10 sec.
Key travel (switch) 1.8 mm
Lifetime Momentary >10.000.000 cycles
Latching 5.000.000 cycles
Temperature range
Working temperature Min. -40⁰C Max. +160⁰C
Storage temperature Min. -65⁰C Max. +160⁰C
Soldering IEC 68-2-20 Wave – max 260⁰C for max. 10 sec., please refer to usage guidelines
Soldering iron – max. 350⁰C for max. 3 sec. Flux tight.
Environmental Endurance IEC 68-2-3
Temperature +40⁰C
Humidity 93% RH
Duration 56 days
Sealing IEC 529 IP-54
Cleaning Standard methods such as water and soap (not immersed)
Material Specifications – Switches
Housing and actuator LCP UL94V0
Switch spring Stainless steel
Key spring Stainless steel
Latch pin Stainless steel
Fixed contact SnCu+2μNi+3μAg SnCu+2μNi+3μAu
Moving contact Stainless steel +3μAg Stainless steel +3μAg+1μAu
Terminals SnCu+2μNi+3μSn100
Contact lubricant Special protective lubricant Klüber Barrierta I EL Fluid
Material Specifications – All Caps & Bezels ABS (standard) UL94HB
Temperature limit Max. +65⁰C
Tampon Printing According to ISO Class: 1/ASTM Class:4B
unimec™ LEDs
Part Nos. 16920/16921 16922 16923 16924
Colour (G=green, Y=yellow, R=red) G Y R G Y R B G Y W R G Y R
Colour Codes 02 04 08 02 04 08 00 20 40 65 80 23 45 88
Absolute Maximum Ratings (Ta=25⁰C)
Power mW 100 100 100 135 135 135 105 70 60 120 60 150 130 300
Current forward mA 30 30 30 30 30 30 30 20 20 25 20 40 40 90
Forward peak current mA 50 50 50 90 90 90 200 60** 60** 100 60** 500 500 1000
Voltage reverse V 5 5 5 5 5 5 5 3 3 5 3 12 12 5
Operating temperature ⁰C -25 - +100 -55 - +100 -25 - +85 -55 - +100
Storage temperature ⁰C -25 - +100 -55 - +100 -30 - +100 -55 - +100
Soldering temperature ⁰C +245 for max. 3 sec +300 for max. 3 sec +260 for max. 5 sec +300 for max. 3 sec
Electrical-Optical Characteristics (Ta=25⁰C)
Voltage forward Typ. V 2.0 2.0 2.0 2.1 2.2 2.3 2.1 2.1 2.1 3.8 2.0 2.1* 2.3*** 2.4***
Max. V 3.0 3.0 3.0 3.0 3.0 3.0 2.8 3.0 3.0 4.3 3.0 2.5* 2.5*** 3.8***
Current reverse μA 100 100 100 100 100 100 2 10 10 50 10 10 10 10
Wave length nm 560 590 660 565 585 635 460 563 585 NA 650 570 587 635
Spread Ønm 10 10 10 10 10 10 40 40 40 NA 40 25 45 45
Spread angle Degree 20 20 20 45 45 45 20 45 45 25 45 80 90 55
Luminous Intensity Min. mcd 1 1 0.8 1.5 2.5 2.5 20 9.0 5.6 630 5.6 71**** 71**** 100****
Typ. mcd 2 3 1.6 2.5 3.0 5.0 25 25 16 1000 16 112**** 112**** 160****
Orientation The longer pin is the anode, the shorter is the cathode.
*/F=20mA, **Pulse width 1ms Duty cycle 1:5, ***/F=50mA, ****Luminous Flux mlm
55