D

D–28

Dimensions are shown: mm

Specifications and dimensions subject to change

www.ckswitches.com

Features

• Short travel

• Good tactile feedback

• Self cleaning

• 2 actuator materials

• RoHS

Typical Applications

• Aircraft

• Instrument

• Panels

• Radio equipment

Electrical

Silver

Gold

MAXIMUM POWER:

1.0 VA

0.2 VA

MAXIMUM VOLTAGE:

100 VDC

100 VDC

MINIMUM VOLTAGE:

20m VDC

20m VDC

MIN/MAX CURRENT:

1.0 mA - 100 mA

50µA - 50 mA

DIELECTRIC STRENGTH:

≥ 250 Vrms

CONTACT RESISTANCE:

≤ 100 mΩ

INSULATION RESISTANCE: Initial measurement: ≥ 1 GΩ

(between terminals)

After damp heat: ≥ 10 MΩ

BOUNCE TIME:

≤ 3 ms

Environmental

Silver

Gold

OPERATING TEMPERATURE:

-25˚C to 70˚C

-55˚C to 85˚C

Specification

FUNCTION: Momentary action

CONTACT TYPE: Normally open - SPST

TERMINALS: Through hole PCB terminations

Mechanical

How To Order

Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select

desired option from each category and place it in the appropriate box.

Contact Material

S Silver

G Gold

Lead Free Compatible

LFS RoHS, Silver tabs

Terminals

Nothing Not sealed

SG Sealed

M D

L

F

S

MDP Series

Only

Button

T

N

Color

00 White

10 Dark grey

20 Light grey

30 Yellow

40 Red

50 Green

60 Blue

80 Ivory

90 Black

B

D

P

M

MD & MDP Series

MD

(Soft Actuator)

MDP

(Hard Actuator)

Operating

force

(N)

Tactile

feeling

(∆%)

Operating

life

Travel (mm)

MD

2,4 N ± 25%

≥ 15%

1,000,000

0.95 mm ± 0.35

MDP 2,6 N ± 25% ≥ 25%

200,000

0.4 mm ± 0.25

Designation

MD Soft actuator

MDP Hard actuator