Key Switches
D
D–32
Dimensions are shown: mm
Specifications and dimensions subject to change
www.ck-components.com
Features
•
Short travel
•
Good tactile feedback
•
Self cleaning
•
3 actuation forces
•
RoHS
T
ypical 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
ED: Disc element
EDM: Disc element and double dome
FUNCTION: Momentary action
CONTACT TYPE: Normally open - SPST
TERMINALS: Through hole PCB terminations or Tabs
OPERATING LIFE: 1,000,000
Packaging
Trays 50 pieces.
Mechanical
Operating force Tactile Return
Type Newtons (grams) Feeling (∆
%) Force N Travel (mm)
EDSAC LFS 2.4 (240) ± 25% ≥ 30% ≥ 0.4 N 0.3mm ± 0.15
EDSSC LFS 2.4 (240)
±
25% ≥ 30% ≥ 0.4 N 0.3mm ± 0.15
EDM450SAC LFS 4.5 (450)
±
25% ≥ 25% ≥ 1.0 N 0.5mm ± 0.25
EDM650SSC LFS 6.5 (650)
±
25% ≥ 25% ≥ 1.6 N 0.6mm ± 0.25
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.
SIMULTANEITY: ≤ 0.05 mm
Contact Material
S
Silver
G Gold
Lead Free Compatible
LFS
RoHS, Silver tabs **
LFG RoHS, Gold tabs **
LFT RoHS,
Pure tin (terminals onl
y) *
T
erminals
AC
with pc pins*
SC with ta
bs **
E D
1
Disc
1
Sealed,
IP
67
Operation Force
450
4.5 N (450 grams)
650 6.5 N (650 grams)
Lead Fr
ee Compatible
LFS
RoHS,
Silver ta
bs **
LFG RoHS, Gold tabs **
LFT RoHS, Pure tin (terminals only) *
Contact Material
S
Silver
G Gold
D M
C
S S
T
erminals
AC
with pc pins *
SC with ta
bs **
L F G
E
5 0
4
ED & EDM Domes
Note
*
AC terminals onl
y available with LFT
** SC terminals onl
y a
vailable with LFS or LFG
