AT478JC NKK Switches, AT478JC Datasheet - Page 4

• 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]
AT626
No Resistor
AT627
with Resistor
AT626 4-Element
without Resistor
AT625
Blue
AT631
White
AT632
Green
AT614
00
Electrical specifications are determined at a basic temperature of 25 C. Lamp circuit is independent of switch operation.
T-1 Bi-pin
(+)
No Lamp Code 00 indicates that no lamp is used.
T-1 Bi-pin
T-1 Bi-pin
The ballast resistor calculation and more lamp detail are shown in the Supplement; see
(+)
R
(-)
Single color LEDs are colored in OFF state. Bicolor LED is translucent white in OFF state.
(-)
Forward Peak Current
Continuous Forward Current
Forward Voltage
Reverse Peak Voltage
Current Reduction Rate Above 25 C
If the source voltage is greater than rated voltage, a ballast resistor is required.
(-)
AT627 5 volt, 4-Element
with Resistor
For dimension drawings of lamps see
(+)
Forward Peak Current
Continuous Forward Current
Forward Voltage
Reverse Peak Voltage
Current Reduction Rate Above 25 C
Forward Peak Current
Continuous Forward Current
Forward Voltage
Reverse Peak Voltage
Current Reduction Rate Above 25 C
LED CODES & SPECIFICATIONS
Super Bright Single Element LED
Standard Single Element LED
Sensitive Devices
Attention
Bright Quad Element LED
Electrostatic
(-)
Color
Codes
AT627 12 volt, 4-Element
with Resistor
I
I
V
V
FM
F
(+)
I
F
RM
F
Accessories & Hardware Index.
40mA
26mA
Code
3.8V
Red
No
8V
No Resistor (AT626)
Color
I
I
V
V
FM
F
F
RM
I
5C
F
Color
I
I
V
V
FM
F
0.50mA/ C
F
RM
I
F
Amber
40mA
26mA
Code
4.0V
No
Red
8V
6B
30mA
20mA
3.6V
Standard Size Pushbutton Switches
5V
C
White
50mA
40mA
1.75V
Green
40mA
26mA
Code
4V
4.4V
No
5D
8V
(-)
Red
Supplement Index.
Series LB
0.50mA/ C
Amber
AT627 24 volt, 4-Element
with Resistor
6F
(+)
52mA
0.67mA/ C
30mA
20mA
05
D
5V
4V
—
3.5V
With Resistor (AT627)
5V
50mA
40mA
2.35V
www.nkkswitches.com
Green
4V
Amber
0.50mA/ C
26mA
5F
12
12V
8V
—
6G
F
30mA
20mA
Green
50mA
40mA
2.35V
3.6
5V
4V
13mA
Green
Blue
24V
16V
24
—
(-)
5-8-01