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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 (CH2011-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

18:24:10 10/27/2016

Price & Procurement

All prices are in EUR.
Price Break Unit Price Extended Price
1 0,68000 0,68
10 0,66200 6,62
25 0,62440 15,61
50 0,54960 27,48
100 0,49960 49,96
250 0,47464 118,66
500 0,46214 231,07
1.000 0,36222 362,22
5.000 0,33724 1.686,19

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

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