Series JB
Toggles
Illuminated Low Profile Process Sealed Tactiles
Rockers
General
Specifications
Electrical Capacity (Resistive Load)
Low/Logic Level:
50mA @ 24V DC maximum for Standard Operating Force models
125mA @ 24V DC maximum for High Operating Force models
Pushbuttons
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Total Travel:
Programmable Illuminated PB
Standard Operating Force
High Operating Force
50 milliohms maximum
50 milliohms maximum
500 megohms minimum @ 250V DC 500 megohms minimum @ 250V DC
250V AC minimum for 1 minute minimum
250V AC minimum for 1 minute minimum
5,000,000 operations minimum
1,000,000 operations minimum
5,000,000 operations minimum
1,000,000 operations minimum
1.76N for JB15L
2.65N for JB15HL & JB15HB
.010” (.254mm)
.012” (.300mm)
Keylocks
Materials & Finishes
Actuator:
Case:
Seal:
Base:
Movable Contacts:
Stationary Contacts:
Terminals:
Polyacetal for Short; Glass fiber reinforced PBT for Extended
Glass fiber reinforced polyamide (UL94V-0)
Nitrile butadiene rubber
Glass fiber reinforced PBT (UL94V-0)
Stainless steel
Brass with silver plating
Brass with silver plating
Slides
Rotaries
Environmental Data
Tactiles
J
Operating Temperature Range:
Humidity:
Vibration:
Shock:
–25°C through +70°C (–13°F through +158°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
PCB Processing
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.
Touch
Standards & Certifications
Flammability Standards:
UL94V-0 rated case & base
The JB Series tactiles 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.
Supplement
Accessories
Indicators
J28
www.nkkswitches.com
Illuminated Low Profile Process Sealed Tactiles
Series JB
Toggles
Choice of dimensions from PCB to top of cap adds to design flexibility.
Bright, full-face illumination with red, green, or yellow LEDs
for attractive, functional panel layouts.
Higher operating force type provides more pronounced
operating feel.
Dome contact gives crisp tactile feedback to positively
indicate circuit transfer and assures high reliability
and long life of up to 5,000,000 operations.
Rubber seal construction prevents contact contamination
and allows automated soldering and cleaning.
Slanted terminals provide a spring type action which ensures
secure mounting and prevents dislodging during wave soldering.
Molded-in terminals are part of the sealed construction which allows
automated soldering and cleaning.
Terminal spacing conforms to standard .100” (2.54mm) PCB grid.
Actual Size
Common Bus Matrix
These single pole, single throw switches can be used in a key-
board matrix and, using strapped terminals, achieve a com-
mon bus electrical configuration on a single-sided PC board.
5
1
2
X-Y Matrix
These single pole, single throw switches can be
arranged on a single-sided PC board matrix
with strapped terminals to achieve an X-Y type
electrical interconnection.
1
2
3
J
9
3
13
Keys (Switches)
Keys (Switches)
4
7
8
6
11
8
12
2
7
8
9
9
A
0
B
A
0
B
1
2
7
7
= ON
5
4
3
Red = PCB Trace
Black = Switch Circuit
J29
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Supplement
Accessories
3
6
Indicators
4
5
6
10
1
2
3
4
5
6
7
8
9
0
A
B
P C Te r m i n a t i o n s
1 2 3 4 5 6 7 8 9 10 11 12 13
1
4
5
6
P C Te r m ina t ions
1 2 3 4 5 6 7
1
2
3
4
5
6
7
8
9
0
A
B
= ON
Touch
Tilt
Tactiles
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
Distinctive
Characteristics
Series JB
Toggles
Illuminated Low Profile Process Sealed Tactiles
TYPICAL SWITCH ORDERING EXAMPLE
JB
Pole & Circuit
15
SPST
OFF
(ON)
( ) = Momentary
15
L
P
Terminals
C
JC
Cap Types & Colors
Flat Cap Colors
B
C
E
F
Translucent White
Red
Yellow
Green
Programmable Illuminated PB
Pushbuttons
Rockers
Actuators
L
B
Short
Extended
(H operating force only)
P
Straight PC
LED Colors
Operating Force
No
Code
H
Standard
(L actuator only)
High
C
E
F
Red
Yellow
Green
Flat Cap
Lens/Diffuser Colors
JB
JC
JE
JF
Clear/White
Clear/Red
Clear/Yellow
Clear/Green
Rotaries
Keylocks
For JC, JE & JF, diffuser
color must match LED color
Framed Cap
Button/Frame Colors
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
BB
BC
BE
Flat Cap with
Clear Lens and Red Diffuser
Standard Operating Force
Straight PC Terminals
BF
BH
White/White
White/Red
White/Yellow
White/Green
White/Gray
Slides
JB15LPC-JC
Tactiles
J
Red LED
Short Actuator
SPST
OFF-(ON) Circuit
Touch
Tilt
POLE & CIRCUIT
Indicators
Actuator Position
( ) = Momentary
Pole &
Throw
SPST
Normal
Model
JB15
OFF
(ON)
Down
Switch Throw
& Schematic
LED Schematic
Notes: Terminal numbers
are shown on switch.
LED circuit is isolated
& requires external
power source.
Accessories
1
3
4
(+)
(-)
SPST
2
Supplement
J30
www.nkkswitches.com
Illuminated Low Profile Process Sealed Tactiles
OPERATING FORCE
No
Code
Standard
Nominal Operating Force
1.76N
Available with short actuator only (code L)
Series JB
High
Nominal Operating Force
2.65N
Available with both short and extended actuators
Toggles
(11.2)
.441
(12.7)
.500
(3.1)
.122
(12.7) Typ
.500
(12.7)
.500
(3.1)
.122
3 +
1
ACTUATORS
L
Short Actuator
(4.9)
.193
(3.0)
.118
(12.7) Typ
.500
Custom keyboards can be designed with caps installed
through a panel cutout (illustration with cap AT4060).
B
Extended Actuator
(3.3)
.130
(8.4)
.331
(3.2)
.126
(14.7)
.579
High operating force only
Custom keyboards can be designed with caps installed
through a panel cutout (illustration with cap AT4076).
P
Straight PC Terminals
(0.8) Typ
.031
(0.3) Typ
.012
J
(10.16)
.400
(1.0) Dia Typ
.039
(5.08)
.200
(5.08)
.200
(3.1) Typ
.122
(5.08) Typ
.200
(2.54) Typ
.100
4
2
Further details in Typical Switch Dimensions
C
L
LED polarity markings are on the bottom
of the switch.
The electrical specifications shown here are
determined at a basic temperature of 25°C.
If the source voltage exceeds the rated volt-
age, a ballast resistor is required.
The resistor value can be calculated by using
the formula in the Supplement section.
Maximum Forward Current
Typical Forward Current
Forward Voltage
Maximum Reverse Voltage
Current Reduction Rate
Above 25°C
Ambient Temperature Range
I
FM
I
F
V
F
V
RM
∆I
F
30mA
10mA
1.8V
5V
20mA
10mA
2.0V
5V
30mA
10mA
2.1V
5V
* 0.50mA/°C * 0.33mA/°C * 0.50mA/°C
–25°C ~ +70°C
* Applies to temperatures above 50°C
www.nkkswitches.com
J31
Supplement
Accessories
Indicators
LEDs are supplied as an integral part of
illuminated devices and are not available
separately.
C
Color
Red
E
Yellow
F
Green
Touch
LED COLORS & SPECIFICATIONS
Tilt
Tactiles
TERMINALS
Slides
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
H
Series JB
Toggles
Illuminated Low Profile Process Sealed Tactiles
SNAP-ON CAPS
AT4135 Flat
Rockers
Cap Color Codes:
B
C
Translucent White
Red
Material: Polycarbonate
E
F
Yellow
Green
(7.3)
.287
Pushbuttons
Finish: Frosted
(12.0) Sq
.472
Programmable Illuminated PB
AT4060 Flat
Lens/Diffuser
Color Codes:
(6.3)
.248
Framed:
AT4076 Button with Frame
Translucent Button/Frame
Color Codes:
(6.3)
.248
(12.0) Sq
.472
(12.3) Sq
.484
JB
JC
JE
JF
Clear/Translucent White
Clear/Red
Transparent
Clear Lens
BB
BC
BE
BF
BH
White/White
White/Red
White/Yellow
White/Green
White/Gray
Button Finish: Frosted
Keylocks
Translucent
Clear Button
Translucent
White Filter
Opaque White or
Colored Frame
Clear/Yellow
Clear/Green
Translucent White or
Colored Diffuser
White Frame
Rotaries
Slides
Material: Polycarbonate
Lens Finish: Glossy
Material: Polycarbonate
TYPICAL SWITCH DIMENSIONS
Flat Snap-on Cap
Tactiles
J
(8.5)
.335
(0.4)
.016
Tilt
Short
Actuator
(12.0) Sq
.472
(6.3)
.248
(7.0) (4.2)
.276 .165
(11.5)
.453
(3.1)
.122
Extended
Actuator
(6.3)
.248
(7.3)
.287
(0.4)
.016
(7.4)
.291
(11.5)
.453
(0.3) Typ
.012
(3.1)
.122
(10.0) Sq
.394
(0.8) Typ
.031
(5.08)
.200
Touch
JB15LPC-JC
Spring action terminals conform to .100” (2.54mm) PCB spacing
Framed Snap-on Cap
Indicators
(10.0)
.394
(0.4)
.016
Accessories
(10.0)
.394
Short
Actuator
(6.3)
.248
(7.0)
.276
(4.2)
.165
(11.5)
.453
(3.1)
.122
Extended
Actuator
(6.3)
.248
(7.3)
.287
(0.4)
.016
(7.4)
.291
(11.5)
.453
(10.0) Sq
.394
(0.8) Typ
.031
(5.08)
.200
Supplement
(12.3) Sq
.484
(0.3) Typ
.012
(3.1)
.122
JB15HBPC-BC
Spring action terminals conform to .100” (2.54mm) PCB spacing
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J32
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