mec . Industriparken 23 . P.o. Box 26 . DK-2750 Ballerup . Denmark

Tel.: +45 44 97 33 66 . Fax: +45 44 68 15 14 . Web: www.mec.dk. . E-mail: danmec@mec.dk

unimec technical specifications

Low Temperature Versions

High Temperature Versions

Silver

Gold

Silver

Gold

Electrical Specifications

Contact resistance

Max. 100 m

(initially)

Insulation resistance

>10M

Recommended load

min.

0.5 mA

0,5

µA

0.5 mA

0,5

µA

max.

250 mA - 120 V - 9W AC - 6W DC

Max. current in non switching state

0.5 A

Contact bounce

Max. 10ms

Dielectric strength between adjacent contacts

1000 V for 2 min.

Insulation resistance between adjacent contacts

5 X 1013

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

Life time

Momentary 1.500.000 cycles

Momentary >10.000.000 cycles

Alternate 500.000 cycles

Alternate 5.000.000 cycles

Temperature Range

Working temperature

Min. -40ºC Max. +75ºC

Min. -40ºC Max. +160ºC

Storage temperature

Min. -65ºC Max. +85ºC

Min. -65ºC Max. +160ºC

Soldering IEC 68-2-20

Wave - max. 260ºC for max. 10 sec., please refer to usage guidelines

Soldering iron - max. 350ºC for max. 3 sec. Flux tight.

Environmental Endurance IEC 68-2-3

Temperature

+40ºC

Humidity

93% RH

Duration

56 Days

Sealing IEC 529

IP-54

Cleaning

Standard methods such as freon, water and soap (not immersed)

Material Specifications - Switches

Housing and actuator

Glass fiber filled Polycarbonate UL94V1

PPS UL94V0

Switch spring

Stainless steel

Key spring

Stainless steel

Latch pin

Stainless steel

Fixed contact

SnCu + 2

µNi + 3µAg

SnCu + 2

µNi + 3µAu

SnCu + 2

µNi + 3µAg

SnCu + 2

µNi + 3µAu

Moving contact

Stainless steel + 3

µAg Stainless steel + 3µAg+1µAu

Contact lubricant

Special protective lubricant Klüber Barrierta I EL Fluid

Material Specifications - Caps & Bezels

ABS (standard) UL94HB

Temperature limit

Max. +65ºC

Specifications are subject to change without notice

Stainless steel + 3

µAg Stainless steel + 3µAg+1µAu

unimec LEDs

***

IF = 50mA

** Pulse width 1ms Duty cycle 1:5

**** Luminous Flux mlm

Part Nos.

16920/16921

16922

16923

16924

Colour (G = Green, Y = Yellow, R = Red)

G

Y

R

G

Y

R

G

Y

R

G

Y

R

Absolute Maximum Ratings

(Ta=25ºC)

Power

mW

100

100

100

135

135

135

70

60

60

300

300

300

Current forward

mA

30

30

30

30

30

30

20

20

20

75

90

90

Forward peak current

mA

50

50

50

90

90

90

60**

60**

60**

2

2.5

2.5

Voltage reverse

V

5

5

5

5

5

5

3

3

3

5

5

5

Operating temperature

-25 - +100

-55 - +100

-25 ~ +85

-55 ~ +100

Storage temperature

-25 - +100

-55 - +100

-30 ~ +100

-55 ~ +100

Soldering temperature

+ 245 for max. 3 sec.

+300 for max. 3 sec.

260 for max. 5 sec.

300 for max. 3 sec.

Electrical-Optical Characteristics

(Ta=25ºC)

Voltage forward

Typ. V

2.0

2.0

2.0

2.1

2.2

2.3

2.1

2.1

2.0

2.4***

2.4***

2.4***

Max. V

3.0

3.0

3.0

3.0

3.0

3.0

3.0

3.0

3.0

3.8***

3.8***

3.8***

Current reverse

µA

100

100

100

100

100

100

10

10

10

10

10

10

Wave length

nm

560

590

660

565

585

635

563

585

650

565

586

635

Spread

∅nm

10

10

10

10

10

10

40

40

40

25

45

45

Spread angle

degree

20

20

20

45

45

45

45

45

45

55

30

55

Luminous Intensity

Min. mcd

1

1

0.8

1.5

2.5

2.5

9.0

5.6

5.6

100****

100****

100****

Typ. mcd

2

3

1.6

2.5

3.0

5.0

25

16

16

160****

160****

160****

Orientation

The longer pin is the anode, the shor ter is the cathode.

Colour Codes

02

04

08

02

04

08

20

40

80

22

44

88

Tampon Printing

According to ISO Class.: 1/ ASTM Class.: 4B

ºC

ºC

ºC