: If this number is also on your board, you can verify the exact factory using the UL Product iQ database 2. Common Devices Using This Board
: This is the highest safety rating. It indicates that the material must self-extinguish within 10 seconds after a flame is removed and must not produce flaming drips that could ignite other materials. Identifying the "SH1" Marking
On many electronic assemblies, particularly printed circuit boards (PCBs) found in consumer electronics like TVs, routers, and graphics cards, you will see the marking . Here, "SH1" is usually a board-level identifier (e.g., a chassis or PCB part code), "94V-0" is the flammability rating of the board material itself, and E248779 is a specific UL recognition number.
Search websites like DatasheetArchive.com or Digi-Key using the term "94V-0 FR-4 Material" to get standard material sheets. sh1 94v0 datasheet free
Proposing these details will let me search for the actual wiring diagrams or service manuals for your project. Share public link
Summary
: Search for a string of characters (e.g., "REV 1.2" or "MODEL: XYZ") that is silkscreened on the board, often near the edges or larger chips. : If this number is also on your
This standard is critical for ensuring the safety of electronic devices. A 94V-0 rating means that the material (a plastic housing, connector body, or PCB laminate) is highly flame-resistant and will self-extinguish quickly, preventing the spread of fire in case of electrical malfunction. It is a common requirement for components used in power supplies, home appliances, IT equipment, and automotive electronics.
Here is a summary of the key specifications extracted from a typical SH1-series datasheet:
Once you have identified the likely component type using the guide above, here is how to locate the document: Identifying the "SH1" Marking On many electronic assemblies,
A "V-0" (Vertical Burn) rating is one of the highest safety levels a circuit board can achieve. It guarantees that: The burning stops within 10 seconds on a vertical specimen.
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Equipment in factories and mining that operate in harsh environments.
The following table provides a summary of typical parameters found in the SH1 94V0 datasheet: