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KB25KKW01B12A Datasheet(PDF) 5 Page - Nihon Kaiheiki Industry Co. Ltd.

Part # KB25KKW01B12A
Description  0.4VA maximum 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A 20mV ~ 28V)
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Manufacturer  NKK [Nihon Kaiheiki Industry Co. Ltd.]
Direct Link  http://www.nkkswitches.com
Logo NKK - Nihon Kaiheiki Industry Co. Ltd.

KB25KKW01B12A Datasheet(HTML) 5 Page - Nihon Kaiheiki Industry Co. Ltd.

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background image
Series KB
Miniature Pushbuttons
www.nkk.com
D27
D
CONTACT MATERIALS, RATINGS & TERMINALS
Silver Contacts
Gold Contacts
Complete explanation of operating range in Supplement section.
W
G
LAMP COLORS & SPECIFICATIONS
The electrical specifications shown are determined at a basic temperature of 25°C.
LED circuit is isolated and requires external power source. Polarity marks are on the bottom of the switch.
If the source voltage exceeds the rated voltage, a ballast resistor is required.
The resistor value can be calculated by using the formula in the Supplement section.
Ambient Temperature Range for lamps below: –25°C ~ +50°C.
Power Level
1A @ 125V AC & 250V AC
Logic Level
0.4VA maximum @ 28V AC/DC
01 Solder Lug
(5.0)
.197
(1.8)
.071
(1.0)
.039
(2.0)
.079
Thk = (0.2)
.008
Com = (0.1)
.005
A partitioned plastic guard is supplied with each switch to provide insulation between terminals.
Installation steps:
1. Identify wire-to-terminal connections.
3. Solder the connections.
2. Thread wires through the guard.
4. Push the guard fully onto the switch body.
(17.0)
.669
(14.0) Dia
.551
(12.4) Dia
.488
Voltage
V
5V AC
12V AC
110V AC
Current
I
115mA
60mA
1.5mA
Endurance
Hours
7,000 average
10,000
05
12
01
Recommended Resistors
for Neon:
33K ohms for 110V AC;
100K ohms for 220V AC
T-1 Bi-pin
AT611
Incandescent
AT615
Neon
Incandescent & Neon Lamps
Resistor Codes
Color Codes:
Forward Peak Current
I
FM
Continuous Forward Current
I
F
25mA
20mA
10mA
Forward Voltage
V
F
5V
12V
24V
Reverse Peak Voltage
V
RM
4V
8V
16V
Current Reduction Rate Above 25°C
∆I
F
5C
5D
5F
12
24
05
Red
Amber
Green
AT634
LEDs are colored
in OFF state.
T-114 Bi-pin
Bright LED with Resistor
(-)
(+)
(+)
(-)
(+)
(-)
AT634
5-volt
2-element
with 1 Resistor
AT634
12-volt
4-element
with 2 Resistors
AT634
24-volt
4-element
with 2 Resistors
BARRIER TYPE
No Code
No Barrier
Built-in bezel
B
With Barrier
Built-in barrier only available for Square and Rectangular
No Code
No Lamp
AT055 Crossover Guard


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