AT478JC NKK Switches, AT478JC Datasheet - Page 3

• Manufacturer Part Number: AT478JC
• Description: SW CAP SQUARE SW CAP CLEAR RED
• Manufacturer: NKK Switches
• Series: LBr
• Type: Cap, Square for LED with Lens/Diffuserr

Specifications of AT478JC

• Switch Type: Pushbutton
• Shape: Square
• Color: Clear, Red
• Illumination: Illuminated
• Mounting Type: Snap Fit
• Size: 13.20mm L x 13.20mm W x 3.50mm H
• Height: 10 mm
• Length: 13.2 mm
• Mounting Style: SMD/SMT
• Termination Style: Snap On
• Width: 13.2 mm
• For Use With/related Products: LB Series
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: LB Series

Pole
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone]
DP
Cutout for 1 switch: .638" x .638"
Housing Colors Available:
SP
See
AT607 & AT607N
Cutout for 1 switch with barriers:
W01
G01
S
Electrical specifications are determined at a basic temperature of 25 C. Lamp circuit is independent of switch operation.
Supplement
.622"
Square
Model
*LB16
*LB26
LB15
LB25
.638" x .815".
T-1 Bi-pin
* When in latchdown position for the alternate circuit, cap position is 1.0mm (.039") above the built-in bezel.
Silver Contacts
Gold Contacts
for complete explanation of operating range.
R
Normal
AT607 Incandescent 5-, 12-,
28-volt; AT607N Neon 110-volt
(
INCANDESCENT & NEON LAMP CODES & SPECIFICATIONS
Panel Thickness for Protective Guards & Splash Covers: 1 ~ 3.5mm (.039" ~ .138")
ON
ON
ON
ON
Voltage
Current
Endurance
Plunger Position
(16.2) Sq
.638
) = Momentary
CONTACT MATERIALS, RATINGS, & TERMINALS
Panel Thickness for Switches & Barriers: 1 ~ 4mm (.039" ~ .157")
Power Level
3A @ 125V AC & 250V AC
Logic Level
0.4VA max. @ 28V AC/DC max.
Down
(ON)
(ON)
Avg. Hrs.
ON
ON
C
SHAPES & PANEL CUTOUTS
V
I
.854" Dia.
Round
Connected Terminals
1-3 4-6
K
115mA
5V AC
Normal
1-3
05
POLES & CIRCUITS
Black
HOUSING
12V AC 28V AC 110V AC
60mA
7,000
.059
(1.5) R
12
1-2 4-5
Down
1-2
24mA
28
Notes: (1) Switch is marked with NC, NO, COM, L+, L-.
(2) Lamp circuit is isolated & requires external power source.
The .047" x .079" oblong
hole accommodates one
solid 18-gauge wire or two
solid or stranded 20-gauge wires.
DPDT
SPDT
(22.0) Dia
*
.866
Solder Lug/Quick Connect
(11.5)
.453
10,000
1.5mA
01
Throw & Power/Lamp Schematics
3
**
R
NC
Standard Size Pushbutton Switches
1
Cutout for 1 switch: .638" x .882"
*
**
COM
Cutout for 1 switch with barriers:
2
G
3
plications with DC current, high shock,
vibration, or continuous illumination.
for 110V AC; 100K ohms for 220V AC.
Lamp life is significantly reduced in ap-
.622" x .866"
Rectangular
Recommended Resistors: 33K ohms
NO
NC
1
Gray
COM
6
2
.638" x 1.059".
NO
Series LB
NC
4
COM
5
Epoxy
Seal
(2.0)
.079
NO
www.nkkswitches.com
L (+)
L (+)
.047
(2.8)
.110
(22.4)
.882
(1.2)
.295
(7.5)
Thk = (0.5)
(-) L
(-) L
.020
(16.2)
.638
5-8-01