I have an electronic component which has no letter or number on it. It has 2 legs and when you shake it there is something moving inside up and down. I am searching for it for hour still have no clue. Here is the photo I've just taken:
Electronic – Does anybody know what this electronic component is
componentsidentification
Related Solutions
It's a very cheap and unreliable version of what's commonly named microswitch. It's unreliable because the two flimsy parts which make up the contacts are unprotected and, well, flimsy. I would suggest you replace it with a real microswitch like
The three solder contacts show that they're changeover contacts: one common, one normally open, and one normally closed.
Those are small PCBs with a passive filter network in a single inline pin package potted with epoxy. The schematic on the far left within the dashed lines shows the components of a single board (notice, the pin-out for that part of the circuit is labeled 1-7), and it is not drawn for the others (presumably identical) to save space. You can replace them with what is inside the dashed line on the left side of the schematic, but it is unlikely to be what is broken, since everything inside is a passive (just caps and resistors).
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Best Answer
It's a tilt switch.
It has a ball in it which breaks a contact when it rolls away or moves away from contacts.
Try measuring the resistance with it in various orientations
The image below is copied from here
This page says about one similar:
Tiny tilt switch type BT411-2 has a built in rolling ball (instead of mercury) so it doesn’t have the environmental health hazards that mercury tilt switches have.
These and similar types are used in vibration car alarms, sneakers that blink, toys, etc.
Many here
Re your link:
2 mA current rating.
10 megohm open circuit
5 Ohms operated.
5.2 mm dia x 14mm long with 15mm leads.
Maximum temperature 100 C.