
For Reference Only
Part Number | SB221NC |
OEMstron Part # | SB221NC |
Manufacturer | NKK Switches |
Category | Power › Switches › Pushbutton Switches |
Description | SWITCH PUSH SPST-NC 3A 125V |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | SB221NC PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 15 - Mar 20 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
SB221NC Specifications
Part Number | SB221NC | |
Brand | NKK Switches | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Switches | |
Subcategory | Pushbutton Switches | |
Manufacturer | NKK Switches | |
Series | SB | |
Mounting Type | Panel Mount, Rear | |
Type | Standard | |
Circuit | SPST-NC | |
Switch Function | On-Mom | |
Current Rating (Amps) | 3A (AC) | |
Voltage Rating - AC | 125V | |
Voltage Rating - DC | - | |
Actuator Type | Round, Button | |
Color - Actuator/Cap | Black | |
Illumination Type, Color | - | |
Illumination Voltage (Nominal) | - | |
Termination Style | Solder Lug | |
Ingress Protection | - | |
Features | - | |
Panel Cutout Dimensions | Circular - 12.50mm Dia | |
Operating Temperature | -10°C ~ 70°C |
SB221NC Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
SB221NC/C D# 71048145 NKK Switches |
Switch,Pushbutton,SPST-NC,ON-(OFF),Round Button W/Black Cap,3A,125VAC,Solder RoHS: Compliant
|
0 |
SB221NC D# 70367334 NKK Switches |
Switch,Pushbutton,SPST-NC,ON-(OFF),Round Button W/Black Cap,3A,125VAC,Solder RoHS: Compliant
|
0 |
SB221NC/U D# 71048146 NKK Switches |
Switch,Pushbutton,SPST-NC,ON-(OFF),Round Button W/Black Cap,3A,125VAC,Solder RoHS: Compliant
|
0 |
Part Number | Description | Stock |
SB-221N/C D# V79:2366_18322406 NKK Switches |
Switch Push Button ON (OFF) SPST Round Plunger 3A 250VAC Momentary Contact Screw Panel Mount |
Americas - 134 |
Part Number | Description | Stock |
SB221NC/C NKK Switches |
STD SIZE PUSHBUTTON/LOW TO MED CAPACITY |
75 |
SB221NC/U NKK Switches |
STD SIZE PUSHBUTTON/LOW TO MED CAPACITY |
253 |
SB221NC NKK Switches |
STD SIZE PUSHBUTTON/LOW TO MED CAPACITY |
253 |
Part Number | Description | Stock |
SB221NC/C D# SB221NC/C-ND NKK Switches |
SWITCH PUSH SPST-NC 3A 125V |
Temporarily Out of Stock |
SB221NC/U D# SB221NC/U-ND NKK Switches |
SWITCH PUSH SPST-NC 3A 125V |
Temporarily Out of Stock |
SB221NC D# SB221NC-ND NKK Switches |
SWITCH PUSH SPST-NC 3A 125V |
14 In Stock |
Part Number | Description | Stock |
SB221NC/C NKK Switches |
RoHS: Compliant
pbFree: Yes
|
0 |
SB221NC NKK Switches |
RoHS: Compliant
pbFree: Yes
|
0 |
SB221NC/U NKK Switches |
RoHS: Compliant
pbFree: Yes
|
0 |
Part Number | Description | Stock |
SB221NC NKK SWITCHES |
OEM/CM QUOTES ONLY | NO BROKERS |
60 |
Part Number | Description | Stock |
SB221NC D# 633-SB221NC NKK Switches |
Pushbutton Switches STD PUSHBUTTON RoHS: Compliant
|
3 |
Part Number | Description | Stock |
SB221NC D# 10X8988 NKK Switches |
SWITCH, PUSHBUTTON, SPST-NC, 3A, 125V, BLACK, Product Range:SB Series, Panel Cutout Diameter:12.5mm, Contact Configuration:SPST-NC, Switch Operation:Momentary, Pushbutton Actuator Style:Round, Actuator / Cap Colour:Black RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
0 |
Part Number | Description | Stock |
SB221NC D# NS-SB221NC NKK Switches |
OEM/CM ONLY |
1180 |
SB221NC-RO D# NS-SB221NC-RO NKK Switches |
OEM/CM ONLY |
1550 |
Part Number | Description | Stock |
SB221NC D# 1817212 NKK Switches |
NKK Switches Single Pole Single Throw (SPST) On-(Off) Push Button Switch, 12.5 (Dia.)mm, Central Fixing With Metal Lock, EA Min Qty: 1
Container: Bulk
|
17 |
Part Number | Description | Stock |
SB221NC NKK Switches |
OEM/CM ONLY |
61 |
Part Number | Description | Stock |
SB-221N/C D# 26120603 NKK Switches |
Switch Push Button ON (OFF) SPST Round Plunger 3A 250VAC Momentary Contact Screw Panel Mount |
Americas - 134 |
Part Number | Description | Stock |
SB221NC D# 2375917 NKK Switches |
SWITCH, PUSHBUTTON, SPST-NC, 3A, 125V, B RoHS: Compliant
Min Qty: 1
Container: Each
|
0 |
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