AT478JC NKK Switches, AT478JC Datasheet - Page 6

• 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

NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone]
Color Codes:
LED factory
assembled in Spot
Illuminated Caps
Not Available
Separately
Cap
Colors Available:
Cap
Colors Available:
A
C
B
E
A
C
B
F
Electrical specifications are determined at a basic temperature of 25 C. Lamp circuit is independent of switch operation.
G
H
The ballast resistor calculation and more lamp detail are shown in the Supplement; see
F
A Black
Examples: AT480CA (red LED, black cap); AT4016CFB (red/green bicolored LED, white cap)
R
Single color LEDs are colored in OFF state. Bicolor LED is translucent white in OFF state.
(13.2) Sq
.520
Forward Peak Current
Continuous Forward Current
Forward Voltage
Reverse Peak Voltage
Current Reduction Rate Above 25 C
Single Color LED
(+)
with 1 Element
If the source voltage is greater than rated voltage, a ballast resistor is required.
(13.2) Sq
.520
When ordering spot illuminated cap separately, LED color must be specified.
For dimension drawings of lamps see
B White
Square
AT484
Material: Polycarbonate
Square
AT480
CAP TYPES & COLOR COMBINATIONS
(-)
Material: Polycarbonate
(4.0)
.157 (2.0)
(3.5)
.138
(6.5)
.256
.079
(5.0)
.197
C Red
(3.5)
.138
(6.5)
.256
(+)
Spot Illuminated Cap with LED
with 2 Elements
Bicolor LED
(19.0) Dia
.748
D Amber
Nonilluminated Cap
LED Specifications
AT4017
Finish: Glossy
Round
I
I
V
V
FM
F
RM
F
I
(-)
F
Finish: Glossy
Accessories & Hardware Index.
E Yellow
(19.0) Dia
(4.5)
.177
.748
(5.5)
.217
.236
(6.0)
0.13mA/ C
10mA
1.9V
8mA
.079
AT4016
(2.0)
1C
Red
5V
Round
(5.0)
.197
F Green
(13.2)
.520
Single Color
0.40mA/ C
Standard Size Pushbutton Switches
(4.5)
.177
Amber
(5.5)
.217
30mA
24mA
2.0V
1D
5V
Rectangular
AT4030
G Blue
Supplement Index.
(19.4)
.764
Series LB
0.40mA/ C
Factory Assembled LED
.236
(6.0)
Green
30mA
24mA
2.1V
Cap with Window
1F
5V
www.nkkswitches.com
(5.0)
.197
H Gray
0.33mA/ C
No Lamp
Red/Green
Bicolor
Cap
30mA
25mA
2.1V
J Clear
CF
—
5-8-01