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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
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

14:04:24 10/27/2016

Price & Procurement

All prices are in NZD.
Price Break Unit Price Extended Price
1 1.16000 1.16
10 1.12600 11.26
25 1.06240 26.56
50 0.93540 46.77
100 0.85010 85.01
250 0.80764 201.91
500 0.78640 393.20
1,000 0.61637 616.37
5,000 0.57385 2,869.26

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

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