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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 2196 (EU2011-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

16:56:16 10-24-2016

Price & Procurement

All prices are in DKK.
Price Break Unit Price Extended Price
1 5,05000 5,05
10 4,88000 48,80
25 4,60560 115,14
50 4,05440 202,72
100 3,68520 368,52
250 3,50088 875,22
500 3,40884 1.704,42
1.000 2,67180 2.671,80
5.000 2,48752 12.437,58

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

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