Switch Contact Resistance Measurement and Failure Guide
Switch contact resistance is the resistance measured through a closed switch path. The number normally includes the contact interface p...
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Silver vs Gold Switch Contacts for Low Level and Power Loads
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Why Two Tactile Switches with the Same Rating Feel Different
Two tactile switches can share the same footprint and electrical rating yet feel completely different in the finished product. The reas...
EC11 vs EC12 Rotary Encoders: Which One for Your Design?
EC11 and EC12 are the two most common sizes of incremental rotary encoder: EC11 has an 11 mm body, EC12 a 12 mm one. The extra millimet...
How Do You Identify an Unmarked Switch?
You identify an unmarked tact or micro switch by its physical specifications, not by a part number, because most board-mount switches c...
Are Tactile Switches Washable?
A tactile switch is washable only if it is sealed for it. A washable, or process-sealed, tact switch is sealed well enough that the con...
Silver vs Gold Micro Switch Contacts: Which Should You Specify?
The Specification That Determines Long-Term Reliability
When engineers select a micro switch, most of the attention goes to current ...
Why Do Cheap Switches Cost More in the Long Run?
Cheap switches are rarely chosen because they are suitable. They are chosen because they look harmless on a spreadsheet. The unit price...
When Does Adding a Second Switch Supplier Actually Reduce Risk?
Introduction
For many companies, supplier strategy is built around a simple idea. Fewer suppliers mean fewer variables. A long relat...
Before You Call a DIP Switch “Drop-in,” What Must You Confirm First?
The phrase “drop-in replacement” is used freely in component catalogs. It suggests ease and certainty. In practice, the label often hid...
Where Are Micro Limit Switches Commonly Used
A micro limit switch is one of those devices which are hardly noticeable by the way it works, but it is very essential in numerous auto...
