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Product Overview
Digi-Key Part Number SW421-ND
Quantity Available 23,470
Can ship immediately

Manufacturer Part Number


Description Tactile Switch SPST-NO Top Actuated Through Hole
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 21 Weeks
Documents & Media
Datasheets B3W Series
Other Related Documents How to Read Date Codes
Product Training Modules Medical Solutions
Catalog Page 2191 (SG2011-EN PDF)
Product Attributes Select All



Tactile Switches


Omron Electronics Inc-EMC Div

Series B3W
Packaging ? Bulk ?
Part Status Active
Circuit SPST-NO
Switch Function Off-Mom
Contact Rating @ Voltage 0.05A @ 24VDC
Actuator Type Standard
Mounting Type Through Hole
Actuator Height off PCB, from Pins 4.30mm
Actuator Orientation Top Actuated
Termination Style PC Pin
Outline 12.00mm x 12.00mm
Illumination Non-Illuminated
Illumination Voltage (Nominal) -
Illumination Type, Color -
Operating Force 200gf
Ingress Protection IP67 - Dust Tight, Waterproof
Features Sealed - Fully
Actuator Material -
Switch Travel 0.30mm
Mechanical Life 3,000,000 Cycles
Operating Temperature -25°C ~ 70°C
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Additional Resources
Standard Package ? 500
Other Names B3W-4000BYOMZ

16:58:29 10/22/2016

Price & Procurement

All prices are in SGD.
Price Break Unit Price Extended Price
1 1.14000 1.14
10 1.10000 11.00
25 1.03760 25.94
50 0.91340 45.67
100 0.83030 83.03
250 0.78876 197.19
500 0.76802 384.01
1,000 0.60196 601.96
5,000 0.56044 2,802.20

Submit a request for quotation on quantities greater than those displayed.

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