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Series YB2
Panel Seal Pushbuttons
BALLAST RESISTOR CALCULATION FOR LEDS
If the source voltage is greater than the rated voltage of
a lamp or LED, a ballast resistor must be connected in
series with the lamp. This circuit diagram and formula
will assist in calculating the value of the required ballast
resistor.
E
R
+
–
I F
V F
Anode
Cathode
R =
Where: R =
E =
V F =
I F =
E – V F
I F
Resistor Value (Ohms)
Source Voltage (V)
Forward Voltage (V)
Forward Current (A)
CAPS & CAP COLORS
D
AT3017 Cap for
Bright LED
Lens/Diffuser
Colors Available:
AT3018 Cap for
Super Bright LED
Lens/Diffuser
Colors Available:
AT3019 Cap for
Nonilluminated
Cap Color Available:
AT3020 Cap with
Illumination Ring for
Bright or Super Bright LED
Cap Color Available:
JB
Clear/White
JB
Clear/White
P
Brushed Chrome
JS
Metallic Silver with
Clear Ring
CB
EB
Red/White
* Yellow/White
(19.0) Dia
.748
Note: AT3017 Cap can also
be used without illumination.
(19.0) Dia
.748
FB
Green/White
(4.9)
.193
(13.1)
.516
(19.0) Dia
.748
(4.9)
.193
(13.1)
.516
(19.0) Dia
.748
(13.1)
.516
(4.9)
.193
(13.1)
.516
Material for Lens & Diffuser:
Polycarbonate
(4.9)
.193
Materials
Lens: Polycarbonate
Insert: Polyester
* Yellow cap pairs with amber LED
to achieve amber illumination.
AT3025 Cap for
Illuminated
Lens/Diffuser Colors Available:
Material for Lens:
ABS Resin and Brushed
Chrome Plating
AT3027 Cap for
Nonilluminated
Cap Color Available:
JB
Clear/White
For Bright & Superbright LEDs
P
Brushed Chrome
CB
Red/White
For Bright LED only
Note: AT3025 Cap can also
be used without illumination.
EB
* Yellow/White
For Bright LED only
(18.0) Sq
.709
(18.0) Sq
.709
FB
Green/White
For Bright LED only
(4.9)
.193
(13.1)
.516
(4.9)
.193
(13.1)
.516
* Yellow cap pairs with amber LED
to achieve amber illumination.
Material for Lens & Diffuser:
Polycarbonate
Material for Lens:
ABS Resin and Brushed Chrome Plating
D120
www.nkk.com
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功能描述:Pushbutton Switch SPDT Standard, Illuminated Panel Mount, Front 制造商:nkk switches 系列:YB2 包装:散装 零件状态:有效 类型:标准，发光式 电路:SPDT 开关功能:开-开 额定电流:3A（AC/DC） 额定电压 - AC:125V 额定电压 - DC:30V 致动器类型:圆形，按钮，平头 颜色 - 致动器/盖帽:银 照明类型，颜色:LED，红 照明电压（标称值）:1.9 VDC 安装类型:前面板安装 端子类型:焊接，快速连接 - 0.110"（2.8mm） 侵入防护:IP65 - 防尘，耐水 特性:环氧树脂密封端子 面板开口尺寸:圆形 - 22.00mm 直径 工作温度:-25°C ~ 50°C 机械寿命:200，000 次循环 电气寿命:100，000 次循环 标准包装:1
YB216CWCPW01-5D-JS
制造商:NKK Switches 功能描述:SWITCH PUSHBUTTON SPDT 3A 125V
YB216CWCPW01-N-P
功能描述:按钮开关 SPDT ON ON, Round Chrome, 3A@125VAC,QC
RoHS:否 制造商:NKK Switches 触点形式:SPDT 开关功能:ON - ON 电流额定值:3 A 电压额定值 AC:250 V 电压额定值 DC:30 V 功率额定值: 安装风格:Panel 照明:Not Illuminated 照明颜色: IP 等级:IP 65 端接类型:Solder Lug 触点电镀:Silver 执行器:Round 盖颜色:Silver 封装: 可燃性等级:
YB216CWCSG01-5C-CB
制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:22mm Panel Seal Pushbuttons
YB216CWCSG01-5C-JB
制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:22mm Panel Seal Pushbuttons
YB216CWCSG01-5C-JS
制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:22mm Panel Seal Pushbuttons
YB216CWCSG01-5D-CB
制造商:NKK 制造商全称:Nihon Kaiheiki Industry Co. Ltd. 功能描述:22mm Panel Seal Pushbuttons
YB216CWCSG01-5D-JB
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