Toggles
Series DB
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
General Specifications
Electrical Capacity (Resistive Load)
C
Logic Level:
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Travel:
Materials & Finishes
Plunger:
Bushing:
Frame:
Case:
Movable Contacts:
Stationary Contacts:
Terminals:
Tilt
Tactiles
Environmental Data
Operating Temp Range:
Humidity:
Vibration:
Shock:
Installation
Indicators
Touch
Mounting Torque:
Cap Installation Force:
PCB Processing
Soldering:
Cleaning:
Standards & Certifications
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.
50 milliohms maximum
1,000 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
200,000 operations minimum
100,000 operations minimum
Single Pole: 1.96N
Double Pole: 2.94N
Pretravel .020” (0.5mm); Overtravel .020” (0.5mm); Total Travel .039” (1.0mm)
Brass with nickel plating
Brass with nickel plating
Stainless steel
Glass fiber reinforced polyamide
Copper with gold plating
Phosphor bronze with gold plating
Brass with gold plating
–10°C through +70°C (+14°F through +158°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/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
1.47Nm (13.0 lb • in) for double nut; 0.68Nm (6.0 lb • in) for single nut
78.5N (17.65 lbf) maximum downward force on actuator
Wave Soldering Recommended. See Profile A in Supplement section.
Manual Soldering: See Profile B in Supplement section.
These devices are not process sealed. Hand clean locally using alcohol based solution.
The DB Series pushbuttons have not been tested for UL recognition or CSA certification.
These switches are designed for use in low-voltage, low-current, logic-level circuit.
When used as intended in a logic-level circuit, the results do not produce hazardous energy.
Supplement
Accessories
Light Touch Miniature Pushbuttons
C18
www.nkk.com
Series DB
Toggles
Light Touch Miniature Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
21
B
C
PC Terminals
Poles & Circuits
Programmable Illuminated PB
Pushbuttons
Rockers
DB25
11
SPDT
ON
21
DPDT
ON
Threaded Bushing
(ON)
(ON)
P
Straight
B
Straight with Bracket
H
Right Angle with Bracket
V
Vertical with Bracket
Smooth Bushing
Keylocks
( ) = Momentary
Rotaries
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
DB2521B with AT443E Cap
Slides
Yellow .315” (8.0mm)
Diameter Cap
Tactiles
DPDT
ON-(ON) Circuit
Tilt
Smooth Bushing &
Straight PC Terminals with Bracket
POLES & CIRCUITS
Touch
Plunger Position
( ) = Momentary
Normal
Down
Note: Terminal numbers are not
actually on the switch.
Indicators
Down
Throw & Switch Schematics
Pole
Model
Accessories
Normal
Connected Terminals
SP
DB2511
ON
(ON)
3-1
3-2
SPDT
DP
DB2521
ON
(ON)
3-1 6-4
3-2 6-5
DPDT
Keyway
Keyway
Supplement
3 (COM)
1
3 (COM)
1
C20
www.nkk.com
2
2
6
4
5
