Manufacturing context
Hehong Electronics lists multilayer PCB for 48 V DC–DC applications in its official manufacturing documentation. Construction: Multilayer PCB. Catalogue application: Automotive DC–DC conversion. System context: 48 V application; not a tested insulation rating. Specific catalogue application. The 48 V system description does not establish the board’s isolation rating, power handling or approved creepage distances. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Multilayer PCB fabrication · Castellated module boards · PCB assembly
- Published footprint
- Shanghai
- Listing and account
- Independently researched · factory account not claimed
Multilayer PCB for 48 V DC–DC applications
Manufacturer reportedSpecific catalogue application. The 48 V system description does not establish the board’s isolation rating, power handling or approved creepage distances.
- Layer count
- Layer range not disclosed
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Construction | Multilayer PCB |
|---|---|
| Catalogue application | Automotive DC–DC conversion |
| System context | 48 V application; not a tested insulation rating |
| Technical source | h-fast.com · Manufacturer specification |
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UL ownership
Not independently verifiedNo supporting record has been reviewed for this category.
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Equipment & in-house processing
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Qualification request: Machine inventory, location and evidence that the relevant process runs at the quoted site.
Material traceability
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Laminate grade, supplier documentation and traceable production-batch records.
Sources & review record.
Reviewed 2026-09-21. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- Hehong Electronics — product and technical documentationhttp://www.h-fast.comSource checked 2026-09-21Official website
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Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
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Layer stack-up, finished dimensions, copper weights, laminate grade, quantity and delivery destination.
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Finished-hole tolerance, impedance targets, coupon requirements, surface finish and permitted process substitutions.
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