Add To Favorites
Product Overview
Digi-Key Part Number SW421-ND
Quantity Available 23,457
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 2243 (CA2011 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
You May Also Be Interested In:
Additional Resources
Standard Package ? 500
Other Names B3W-4000BYOMZ

14:40:34 10/25/2016

Price & Procurement

All prices are in CAD.
Price Break Unit Price Extended Price
1 1.14000 1.14
10 1.10600 11.06
25 1.04320 26.08
50 0.91840 45.92
100 0.83480 83.48
250 0.79304 198.26
500 0.77220 386.10
1,000 0.60524 605.24
5,000 0.56350 2,817.48

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

Send Feedback