Series YB2
Panel Seal Pushbuttons
D124
Indicators
AccessoriesSupplement
Tactiles
KeylocksRotaries
Pushbuttons
D
Illuminated PB
Slides
Programmable
Rockers
Touch Tilt
Toggles
www.nkkswitches.com
V
F
F
+
Anode
R =
F
I
F
R
E
V
F
I
F
= Resistor Value (Ohms)
= Source Voltage (V)
= Forward Voltage (V)
= Forward Current (A)
CB
EB
FB
Lens/Diffuser
Colors Available:
Green/White
*Yellow/White
Red/White
Material for Lens & Diffuser:
Polycarbonate
HB Lens: ABS Resin &
Unbrushed Chrome Plating
CAPS & CAP COLORS
AT3017 Cap for Bright LED
or Nonilluminataed
AT3018 Cap for
Super Bright LED
AT3019 Cap for
Nonilluminated
JB
Clear/White
P
Brushed Chrome
Lens/Diffuser
Colors Available:
Cap Color Available:
BALLAST RESISTOR CALCULATION FOR LEDS
If the source voltage is greater than the rated voltage of
a lamp or LED, a ballast resistor must be connected in
series with the lamp. This circuit diagram and formula
will assist in calculating the value of the required ballast
resistor.
JB
Clear/White
AT3020 Cap with
Illumination Ring for
Bright or Super Bright LED
Cap Color Available:
JS
Metallic Silver with
Clear Ring
Materials
Lens: Polycarbonate
Insert: Polyester
*Yellow cap pairs with amber LED
to achieve amber illumination.
Lens/Diffuser Colors Available:
FB
Green/White
For Bright LED only
EB
*Yellow/White
For Bright LED only
CB
Red/White
For Bright LED only
AT3025 Cap for Illuminated
or Nonilluminated
AT3027 Cap for
Nonilluminated
P
Brushed Chrome
Cap Color Available:
*Yellow cap pairs with amber LED
to achieve amber illumination.
JB
Clear/White
For Bright & Super Bright LEDs
Material for Lens:
ABS Resin & Brushed
Chrome Plating
Material for Lens & Diffuser:
Polycarbonate
Material for Lens:
ABS Resin & Brushed Chrome Plating
.709
(18.0) Sq
.516
(4.9)
.193
.709
(18.0) Sq
.516
(4.9)
.193
.748
(19.0) Dia
.516
(4.9)
.193
.748
(19.0) Dia
(4.9)
.193
.748
(19.0) Dia
.516
(4.9)
.193
.748
(19.0) Dia
.516
(4.9)
.193
HB
Unbrushed Chrome/White
For Bright & Super Bright LEDs
HB
Unbrushed Chrome/
White
HB
Unbrushed Chrome/
White