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A18KB-AH

Description
Process Sealed Subminiature Toggle Switch; Poles: SPDT; Circuits: Mom-Off-Mom; Current Rating: 0.4VA (AC/DC); Rating (AC): 28V; Rating (DC): 28V; Actuator Type: Snap On Paddle; actuator length: 9.40mm; Illumination: Non-Illuminated; Mounting Type: Through Hole; Termination Style: PC Pin; bushing thread: Unthreaded, Square; Features: Gray Actuator; Rating: 0.4
CategoryMechanical and electronic products    switch   
File Size1MB,7 Pages
ManufacturerNDK
Websitehttp://www.ndk.com/en/
Environmental Compliance  
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A18KB-AH Overview

Process Sealed Subminiature Toggle Switch; Poles: SPDT; Circuits: Mom-Off-Mom; Current Rating: 0.4VA (AC/DC); Rating (AC): 28V; Rating (DC): 28V; Actuator Type: Snap On Paddle; actuator length: 9.40mm; Illumination: Non-Illuminated; Mounting Type: Through Hole; Termination Style: PC Pin; bushing thread: Unthreaded, Square; Features: Gray Actuator; Rating: 0.4

A18KB-AH Parametric

Parameter NameAttribute value
Brand NameNKK Switches
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerNDK
Reach Compliance Codenot_compliant
Actuator angle26 deg
Actuator colorGRAY
Actuator length0.406 inch
Actuator materialNYLON
Actuator typePADDLE
Other featuresMOUNTING BRACKET
body width5.842 mm
body height26.5176 mm
Body length or diameter9.8044 mm
Casing diameter
Nozzle length0.177 inch
Casing typeRECTANGULAR
center contact materialPHOSPHOR BRONZE
Center contact platingGOLD OVER SILVER
Contact (DC) maximum rated power R load0.4VA@28VDC
Contact function(ON)-OFF-(ON)
Contact resistance0.05 mΩ
Dielectric withstand voltage500VAC V
Electrical life50000 Cycle(s)
End contact materialBRASS
End contact platingGOLD OVER NICKEL
Insulation resistance500000000 Ω
insulator materialGLASS FILLED POLYAMIDE
JESD-609 codee4
Manufacturer's serial numberA
Installation featuresTHROUGH HOLE-STRAIGHT
Maximum operating temperature85 °C
Minimum operating temperature-10 °C
PCB hole count7
sealEPOXY
SolderabilityWAVE
surface mountNO
Switch actionHORIZONTAL
switch functionSPDT
Switch typeTOGGLE SWITCH
Terminal surfaceGold (Au)
Terminal length0.122 inch
Termination typeSOLDER
WashabilitySOLVENT
Series A
Toggles
Process Sealed Subminiature Toggles
A
Rockers
General
Specifications
Electrical Capacity (Resistive Load)
Logic Level:
0.4VA maximum @ 28V AC/DC maximum
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation of operating range in Supplement section.
Pushbuttons
Programmable Illuminated PB
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Angle of Throw:
Keylocks
50 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum between contacts for 1 minute minimum;
500V AC minimum between contacts & case for 1 minute minimum
100,000 operations minimum for On-None-On & On-Off-On
50,000 operations minimum for other circuits
50,000 operations minimum
1.47N (momentary); 1.18N (maintained) for .394” (10.0mm) toggles
2.73N (momentary); 1.84N (maintained) for all other toggles
Nonshorting (break-before-make)
26°
Rotaries
Materials & Finishes
Toggle:
Case Housing:
Support Bracket:
Movable Contact:
Stationary Contacts:
Terminals:
Glass fiber reinforced polyamide for antistatic; nickel plated brass for all others
Glass fiber reinforced polyamide
Tin plated phosphor bronze
Phosphor bronze with gold plating
Brass with gold plating
Brass with gold plating
Tactiles
Slides
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–30°C through +85°C (–22°F through +185°F)
90 ~ 95% humidity for 240 hours @ 40°C (104°F)
10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range
& returning in 1 minute; 3 right angled directions for 2 hours
50G (490m/s
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Tilt
Touch
PCB Processing
Soldering:
Cleaning:
Wave Soldering Recommended. See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
Automated cleaning. See Cleaning Specifications in Supplement section.
Indicators
Standards & Certifications
Supplement
Accessories
The A Series toggles have not been tested for UL recognition or CSA certification.
These switches are designed for use in a low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
A4
www.nkkswitches.com

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