AT4178JC NKK Switches, AT4178JC Datasheet - Page 8

• Manufacturer Part Number: AT4178JC
• Description: CAP RND CLR/RED FOR LB LED SER
• Manufacturer: NKK Switches
• Series: LBr
• Type: Cap, Roundr

Specifications of AT4178JC

• Switch Type: Pushbutton
• Shape: Round
• Color: Clear, Red
• Illumination: Illuminated
• Mounting Type: Snap Fit
• Size: 19.00mm Dia x 4.50mm H
• Height: 10 mm
• Length: 19 mm
• Body Style: Round Shaped
• Brand/series: LB Series
• Diameter: 0.748 in.
• Material, Body: Polycarbonate
• Used With: LB Series
• For Use With/related Products: LB Series
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: LB Series

D
Series LB
D54
Square
Round
Rectangular
AT711
LB26RGW01-12-CJ
LB15SKW01-12-CJ
LB16CKW01-12-CJ
(15.0)
.591
.020
(0.5)
Single Pole • Straight PC Terminals
(4.0)
.157
(0.3) Typ
.012
(2.54) Typ
.100
(0.74) Typ
.029
(17.8)
.701
(13.2) Sq
.520
(13.2)
.520
COM
NC
NO
L
L
(+)
(-)
(5.08)
.200
(19.0) Dia
.748
COM
NC
NO
(23.7) Dia
.933
(19.4)
.764
(17.8) Sq
.701
TYPICAL SWITCH DIMENSIONS
(15.8) Sq
.622
(24.0)
.945
OPTIONAL ACCESSORIES
Note: Order adaptors separately.
Single & Double Pole
Single & Double Pole
Single & Double Pole
(5.08)
.200
www.nkk.com
(1.0) Dia Typ
.039
PCB Adaptors
(2.54) Typ
.100
.039
(3.2)
.126
(1.0)
(3.2)
.126
.039
(3.2)
.126
.039
(1.0)
(1.0)
.071
(1.8)
(1.8)
.071
(1.8)
.071
Latchdown Position
Latchdown Position
Latchdown Position
AT712
(15.0)
.591
(21.5)
(21.5)
.846
.846
(22.5)
.886
Standard Size Snap-in Pushbuttons
.020
(0.5)
Double Pole • Straight PC Terminals
(4.0)
.157
Single pole models do not have terminals 4, 5, & 6.
Single pole models do not have terminals 4, 5, & 6.
Single pole models do not have terminals 4, 5, & 6.
.295
.295
(7.5)
(0.3) Typ
.012
(7.5)
(2.54) Typ
.295
.100
(7.5)
(0.74) Typ
.047 x .079
.029
.047 x .079
(1.2) x (2.0) Typ
(1.2) x (2.0) Typ
.047 x .079
(1.2) x (2.0) Typ
(0.5) Typ
.020
.020
(0.5) Typ
(2.54) Typ
(2.54) Typ
(0.5) Typ
.020
.100
.100
(2.54) Typ
.100
COM
NC
NO
L
L
NO
COM
NC
(+)
(-)
(5.08)
.200
COM
COM
NC
NO
NC
NO
COM
NC
NO
(5.08) Typ
(15.8) Sq
.200
.622
3
2
1
L (-)
L (+)
3
2
1
(5.08) Typ
3
1
L (+)
L (-)
2
6
5
4
.200
(22.0)
.866
(2.8) Typ
.110
L (+)
L (-)
(5.08) Typ
6
5
4
.200
(2.8) Typ
.110
6
5
4
(5.08) Typ
.200
(15.8) Sq
.622
(15.8) Sq
.622
(2.8) Typ
.110
(1.0) Dia Typ
.039
(2.54) Typ
.100
(21.7) Dia
.854
(15.8)
.622