Subminiature Pushbuttons
Series HB
Distinctive Characteristics
Compact front panel design with 9mm square or round bezel.
Rear panel threaded mounting. Behind panel depth of less than
one inch. 8mm body diameter fits common size panel cutout.
Latchdown feature gives indication of circuit status.
Audible and tactile feedback with smooth and
responsive operation.
Dual, sliding contacts with self-cleaning action
provide contact stability, high reliability, and
increased operating life.
Solder lug terminals have spacing of .100” (2.54mm)
for choice of mounting.
Longer normally closed terminal facilitates wiring
and soldering.
Molded-in terminals lock out flux, dust, and other
contaminants.
Illuminated models available and shown in the
Illuminated Pushbutton section.
Matching indicators available and shown at the
end of Section M.
Actual Size
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Subminiature Pushbuttons
Series HB
General Specifications
Electrical Capacity (Resistive Load)
Power Level (code W):
0.1A maximum @ 30V AC/DC
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
50 milliohms maximum
100 megohms minimum @ 500V DC
500V AC minimum for 1 minute minimum
100,000 operations minimum
50,000 operations minimum
3.43N
Nonshorting (break before make)
Pretravel .087” (2.2mm); Overtravel .031” (0.8mm); Total Travel .118” (3.0mm)
Materials & Finishes
Housing:
Base:
Movable Contact:
Stationary Contacts:
Terminals:
Glass fiber reinforced polyamide
Glass fiber reinforced polyamide
Phosphor bronze with silver plating
Phosphor bronze with silver plating
Phosphor bronze with silver plating
Environmental Data
Operating Temp Range:
Humidity:
Vibration:
Shock:
–25°C through +70°C (–13°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/s
2
) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque:
Cap Installation Force:
Soldering Time & Temperature:
0.49Nm (4.34 lb
•
in) maximum for round mounting nut
9.8N (2.2 lbf) maximum downward force on cap
Manual Soldering: See Profile A in Supplement section.
Standards & Certifications
UL & C-UL
Recognized:
R
All models recognized at 0.1A @ 30V AC/DC;
UL File No. WOYR2.E44145;
add “/U” to end of part number to order UL mark on switch.
C-UL File No. WOYR8.E44145;
add “/C-UL” to end of part number to order C-UL mark on switch.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Subminiature Pushbuttons
TYPICAL SWITCH ORDERING EXAMPLE
Series HB
A
HB
POLE
1
SPDT
1
5
SHAPES
S
C
Square
Round
S
K
W01
CONTACTS & TERMINALS
W01
Silver Contacts and
Solder Lug Terminals
0.1A @ 30V AC/DC
CIRCUITS
5
6
ON
ON
(ON)
ON
K
( ) = Momentary
Alternate Action
with Latchdown
HOUSING
Black only
A
B
C
E
F
G
CAP COLORS
Black (Square only)
White
Red
Yellow
Green
Blue
IMPORTANT:
Switches are supplied without UL
& C-UL markings unless specified.
Specific models & ratings noted
on General Specifications page.
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
HB15SKW01-A
Black Cap
Square Shape
SPDT
ON-(ON) Circuit
Silver Contacts and Solder Lug Terminals;
rated 0.1A @ 30V AC/DC
Black Housing
POLES & CIRCUITS
Plunger Position
( ) = Momentary
Normal
Pole
SP
Model
HB15
*HB16
ON
ON
(ON)
ON
1-3
1-2
Down
Connected Terminals
Normal
Down
Throw & Schematic
Note: Switch is marked with NO, NC, C, L.
1 (COM)
SPDT
3
2
* When in latchdown position for the alternate circuit, cap position is .051” (1.3mm) above the built-in bezel.
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
Subminiature Pushbuttons
SHAPES & PANEL CUTOUT
S
.354” (9.0mm)
Square
Series HB
C
.354” (9.0mm)
Round
Recommended
Panel Thickness:
.020 ~ .197”
(0.5 ~ 5.0mm)
(8.0) Dia
.315
The bezel is an integral part of the switch body.
Socket wrench AT110 may be used for
mounting. Overtightening the mounting nut
AT073 may damage the switch housing.
HOUSING
K
Housing available in black only.
CONTACT MATERIALS, RATINGS, & TERMINALS
W01
Silver Contacts
(5.0)
.197
(2.0)
.079
(1.0)
.039
(1.8)
.071
Power Level
PCB Mounting
0.1A maximum @ 30V AC/DC
Thk = (0.3)
.012
Solder lug terminals are spaced .100” x .200” (2.54mm x 5.08mm).
This enables PCB mounting which can be accomplished by elongating
PC board holes to .080” (2.03mm).
CAP TYPES & COLORS
Cap Colors Available:
Black
(Square only)
White
AT4035
Square
Green
Blue
(4.8)
.189
(7.4) Sq
.291
(4.5)
.177
A
B
C
E
Red
Yellow
F
G
AT4036
Round
(4.8)
.189
(7.4) Dia
.291
(4.5)
.177
Material: Polycarbonate
Finish: Glossy
TYPICAL SWITCH DIMENSIONS
Square
Single Pole
M8P0.75
(1.0) x (2.0) Typ
.039 x .079
(0.3) Typ
.012
(1.8)
.071
(5.0)
.197
(7.0)
.276
L(+) L(-)
NO
NC
COM
2
3
1
(2.54) Typ
.100
(7.4) Sq
.291
(9.0) Sq
.354
(1.3)
.051
(3.5)
.138
(0.5)
(5.0)
.020
.197
(10.0)
.394
(15.5)
(5.3)
.610
.209
Latchdown Position
(2.54) Typ
.100
HB15SKW01-C
Round
Single Pole
M8P0.75
(1.0) x (2.0) Typ
.039 x .079
(0.3) Typ
.012
(1.8)
.071
(5.0)
.197
(7.0)
.276
L(+) L(-)
NO
NC
COM
2
3
1
(2.54) Typ
.100
(7.4) Dia
.291
(9.0) Dia
.354
(1.3)
.051
(3.5)
.138
(0.5)
(5.0)
.020
.197
(10.0)
.394
(5.3)
(15.5)
.209
.610
Latchdown Position
(2.54) Typ
.100
HB16CKW01-C
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
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