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B28HV-GC

Description
Toggle Switch, DPDT, (on)-off-(on), Momentary, 8 PCB Hole Cnt, Solder Terminal, Toggle Actuator, Through Hole-right Angle
CategoryMechanical and electronic products    switch   
File Size1MB,8 Pages
ManufacturerNKK Switches
Environmental Compliance
Download Datasheet Parametric View All

B28HV-GC Overview

Toggle Switch, DPDT, (on)-off-(on), Momentary, 8 PCB Hole Cnt, Solder Terminal, Toggle Actuator, Through Hole-right Angle

B28HV-GC Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerNKK Switches
Reach Compliance Codenot_compliant
ECCN codeEAR99
Actuator angle26 deg
Executor completedNICKEL
Actuator length0.248 inch
Actuator materialBRASS
Actuator typeTOGGLE
Other featuresCAP COLOR- RED
body width8.7884 mm
body height16.256 mm
Body length or diameter8.7884 mm
Casing diameter0.236 inch
Nozzle length0.106 inch
Casing typeUNTHREADED
center contact materialPHOSPHOR BRONZE
Center contact platingGOLD
Contact (DC) maximum rated power R load0.4VA@28VDC
Contact function(ON)-OFF-(ON)
Contact resistance0.05 mΩ
contact timeBREAK-BEFORE-MAKE
Dielectric withstand voltage500VAC V
Electrical life50000 Cycle(s)
End contact materialCOPPER ALLOY
End contact platingGOLD
Insulation resistance500000000 Ω
insulator materialGLASS FILLED POLYAMIDE
JESD-609 codee4
Manufacturer's serial numberB
Installation featuresTHROUGH HOLE-RIGHT ANGLE
Maximum operating temperature85 °C
Minimum operating temperature-30 °C
PCB hole count8
sealEPOXY
surface mountNO
Switch actionMOMENTARY
switch functionDPDT
Switch typeTOGGLE SWITCH
Terminal surfaceGold (Au)
Terminal length0.122 inch
Terminal materialCOPPER ALLOY
Termination typeSOLDER
Series B
Toggles
Process Sealed Subminiature Antistatic Toggles
A
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
Rockers
Other Ratings
Programmable Illuminated PB
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Keylocks
Contact Timing:
Angle of Throw:
50 milliohms maximum
500 megohms minimum @ 500V DC
500V AC minimum 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 for locking lever models
50,000 operations minimum
Toggles A, A1, E & K with Long Paddle: 1.47N (momentary); 1.18N (maintained)
Toggles J & H & K with Short Paddle: 2.72N (momentary); 1.84N (maintained)
Toggle L: 0.59N
Nonshorting (break-before-make)
26°
Materials & Finishes
Rotaries
Toggle:
Bushing:
Gasket:
Case Housing:
Support Bracket:
Movable Contact:
Stationary Contacts:
Terminals:
Nickel plated brass
Carbon blended polyamide; nickel plated zinc alloy for locking levers & threaded bushing
Nitrile butadiene rubber
Glass fiber reinforced polyamide
Tin plated phosphor bronze
Phosphor bronze with gold plating
Copper alloy with gold plating
Copper alloy 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 96 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
Installation
Mounting Torque:
.30 ~ .45Nm (2.65 ~ 3.98 lb
in) for A1 actuator with threaded bushing only
PCB Processing
Indicators
Soldering:
Cleaning:
Wave Soldering Recommended: See Profile A in Supplement section.
Manual Soldering: See Profile A in Supplement section.
Automated cleaning. See Cleaning specifications in Supplement section.
Accessories
Standards & Certifications
Flammability Standards:
Supplement
UL94V-0 available
The B 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.
A12
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