FSM1LP Application Guide

flux

I’ll research the FSM1LP’s manufacturer documentation and write a cited application guide covering wiring, debouncing, PCB layout, alternatives, and sourcing.

flux

I found that this variant includes an ESD grounding terminal, which the guide needs to distinguish from the switch contacts. The datasheet lookups are still unresolved; I’ll label those gaps explicitly rather than assume pin numbers or drop-in compatibility.
Created a project doc

FSM1LP Application and Usage Guide

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FSM1LP Application and Usage Guide
The TE Connectivity ALCOSWITCH FSM1LP, TE ordering number 1-1437565-6, is a low-profile, normally open surface-mount tactile switch with silver-plated copper-alloy contacts and an ESD grounding feature. Its most common schematic use is a momentary microcontroller user-input button, with a defined pull-up and hardware or firmware debouncing; the circuit below is an engineering recommendation, not a TE reference circuit.
Scope and verification: Researched October 7, 2026. Manufacturer product-page statements are linked directly; exact drawing-derived pin numbers, footprint dimensions, soldering limits, and several datasheet ratings remain unverified because the PDF evidence lookups did not...

flux

I created the FSM1LP Application and Usage Guide in project files, covering all seven requested sections with source links, wiring examples, and debounce calculations. Exact pin numbering, footprint dimensions, several ratings, and MOQ remain explicitly unverified because the datasheet lookups did not resolve; no drop-in replacement is claimed. The next priority is checking the manufacturer drawing before using the guide for PCB release.
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Files

Pins

Symbol

Layout

3D View

Name
Pin #
Type
Section
Pin Group
Orientation
Order
Sub-symbol
COM_1
1
Unspecified
COM_2
2
Unspecified
NO_1
3
Unspecified
NO_2
4
Unspecified
GND
5
Unspecified

FSM1LP