SMD code 1H9 in WLCSP
Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.
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Answer up to 4 quick questions and these 8 parts are ranked, with a meter test that settles it. It works on a dead part too.
The only part printed 1H9 in this package in our tables
SGM2547CRXG
- What it is
- Not recorded
- Maker
- SG Micro
- Package
- WLCSP
- Pins
- 12
- Details
- 23V, 8A Electronic Fuse with Bi-directional Power Delivery
- Source
- Manufacturer datasheet
Is it dead?
Ohms range or continuity, across it.
Working, it reads
Near 0 Ω, a beep. Small ratings read a few ohms.
Dead, it reads
- Open: blown.
- On the board:
- An open reading means the same on the board.
- Compare:
- If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.
- Watch for:
- A blown fuse means something after it drew too much. Find that short before fitting a new fuse, or it blows again.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Was it this one?
Printed with a code easy to misread as 1H9
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
Did you find your part?
Open this in the search to correct a character or try another package.