AT4178JD NKK Switches, AT4178JD Datasheet - Page 17

• Manufacturer Part Number: AT4178JD
• Description: CAP RND CLR/AMB FOR LB LED SER
• Manufacturer: NKK Switches
• Series: LBr
• Type: Cap, Roundr

Specifications of AT4178JD

• Switch Type: Pushbutton
• Shape: Round
• Color: Clear, Amber
• Illumination: Illuminated
• Mounting Type: Snap Fit
• Size: 19.00mm Dia x 4.50mm H
• Height: 10 mm
• Length: 19 mm
• Body Style: Round
• Brand/series: LB Series
• Lens Style: Square Cap
• Material, Lens: 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

Y
Accessories & Hardware
Y18
AT624
Single Element LED
Color: G
Series: HB
T-1 Bi-pin
AT629
Single Element LED
Color: B
Series: HB
T-1 Bi-pin
AT633
Single Element LED
Colors: C D F
Series: HB
T-1 Bi-pin
.339
(8.6)
(8.4)
.331
(5.0)
.197
(8.0)
.315
.039
(1.0)
(5.2)
.205
Color Codes:
(5.0)
.197
.039
(1.0)
.098
(2.5)
.020
.122
(0.5) Sq Typ
(3.1) Dia
(3.8)
.150
(3.8) Dia
.150
(0.5) Sq Typ
.020
(2.54)
(3.0) Dia
.118
.100
.098
(2.5)
.020
.122
(3.1) Dia
(0.5) Sq Typ
(3.8)
.150
A Black
AT625
Super Bright
Single Element LED
Color: G
Series: KB LB YB YB2
T-1 Bi-pin
AT630
Single Element LED
Color: F
Series: HB
T-1 Bi-pin
AT634
Bright
2- or 4-Element LED
With Resistor; Volts: 5 12 24
Colors: C D F
Series: KB YB YB2
T-1
B White
1 ⁄4
.323
(8.2)
(4.3) Max
.169
(5.0)
Bi-pin
.197
(10.2)
.402
(11.0)
.433
.039
(5.0)
.197
(1.0)
.039
(1.0)
.098
C Red
(2.5)
.020
.122
(0.5) Sq Typ
(3.1) Dia
(3.8)
.150
(2.5)
.098
(2.54)
.020
.100
.122
(0.5) Sq Typ
(3.1) Dia
(3.8)
.150
(5.6)
.220
www.nkk.com
D Amber
AT627
Bright
4-Element LED
With Resistor; Volts: 5 12 24
Colors: C D F
Series: LB
T-1 Bi-pin
AT631
Super Bright
Single Element LED
Color: B
Series: KB LB YB YB2
T-1 Bi-pin
AT635
Bright
Single Element LED
Colors: C D F
Series: KB LB
T-1
1 ⁄2
(11.6)
.457
E Yellow
(10.8)
.426
(4.5) Max
.177
(8.6)
.339
(5.0)
.197
Bi-pin
(5.0)
.197
.039
.039
(1.0)
(1.0)
(–)
(6.0)
.236
(2.54)
(+)
.100
(8.0)
.315
(0.58) Dia Typ
(2.5)
.098
.020
.023
.122
(0.5) Sq Typ
(3.1) Dia
(3.8)
.150
F Green
.020
(4.8) Dia
.189
(0.5) Sq Typ
(5.6) Dia
.220
(2.54)
.100
G Blue
AT628
Bright
Double Element LED
Colors: C D F
Series: YB YB2
T-1 Bi-pin
AT632
Super Bright
Single Element LED
Color: F
Series: KB LB YB YB2
T-1 Bi-pin
AT636
Bright
Single Element LED
With Resistor; Volts: 5 12 24
Color: F
Series: KB YB YB2
T-1
(11.0)
.433
1 ⁄4
(10.4)
.410
H Gray
Bi-pin
(4.4) Max
.173
(5.0)
.197
(4.3) Max
.169
.039
(11.0)
.433
(1.0)
(2.5)
.098
.020
.122
(0.5) Sq Typ
J Clear
(3.1) Dia
(3.8)
.150
(2.54)
.100
(2.54)
.100
(5.6)
.220
.220
(5.6)