Product-specific sourcing · China
Connector & Terminal OEM Sourcing in China
Compare China discrete connector and terminal OEM suppliers by series or mating compatibility, pitch and pin count, current/voltage rating claims, contact plating, housing material/UL94, IP rating claims, gender and locking, wire gauge range, tooling/applicators, RoHS/REACH claims, MOQ, NRE, samples and drawings — buyer-side RFQ fields for housings, pins, crimp terminals and headers, not cable assemblies, wire harnesses or factory marketing.
Buyer context
Make the technical and commercial basis comparable first.
Discrete connector and terminal quotations often look similar until series or mating part numbers, pitch and circuit count, current/voltage rating claims, contact plating, housing resin/UL94, IP or sealing claims, gender and locking, accepted wire gauge, termination method, reel vs loose packaging, and tooling/applicator assumptions are written down. Sephalis helps buyers make those fields explicit so supplier quotations stay comparable, and keeps supplier statements separate from interchange qualification, electrical safety approval or market-access certification. Sephalis does not manufacture connectors or terminals and does not certify ratings, IP performance, UL94 listings or brand compatibility. Use this page for discrete housings, pins, crimp terminals, headers, circular/rectangular connectors and wire-to-board / wire-to-wire component kits; for finished point-to-point or jacketed custom cables use /electronics-sourcing-china/cable-assemblies; for branched harnesses with a from-to wire list use /electronics-sourcing-china/wire-harnesses; for consumer USB / USB-C PD retail cables use /electronics-sourcing-china/usb-cables.
What buyers usually need to compare
Use these fields to keep quotations tied to the same technical, production and packaging assumptions.
✓ Product form — housing, terminal/pin, PCB header, circular or rectangular shell, wire-to-board / wire-to-wire / board-to-board component kit (discrete parts, not a finished cable)
✓ Series / mating target — manufacturer P/N or series family; genuine branded vs compatible/second-source stated explicitly; mating half P/N if known
✓ Pitch and circuit / pin count; single vs dual row; keying / polarization
✓ Gender and locking style (latch, screw, bayonet, push-pull, friction)
✓ Rated current and voltage (AC/DC) as RFQ claim fields — not Sephalis guarantees
✓ Contact material and plating (tin / gold-flash / selective gold / other) and thickness if critical — supplier claim until verified
✓ Housing material and UL94 (or equivalent flammability) claim; colour; marking / private-label on the housing
✓ IP / sealing claim if any (for example IP67 circular or automotive) and what is sealed (mated pair vs connector alone) — supplier claim
✓ Wire gauge range and max insulation OD for crimp terminals; termination method (crimp, solder, IDC, SMT, THT, press-fit)
✓ Packaging — loose piece, bag, continuous strip, or tape-and-reel
✓ Tooling / applicators — hand tool vs automatic applicator; ownership, rental, or buyer-supplied; applicator or mold NRE split
✓ Destination markets and labeling / laser-mark expectations; private-label / OEM branding scope on the connector
✓ MOQ by SKU and by customisation layer (standard series vs custom mold/stamp); sample cost and sample lead time; production lead time and quantity breakpoints
✓ Documents to request with the quotation (2D drawing / 3D STEP, datasheet; RoHS/REACH/halogen-free claims; UL recognition copies if claimed — not Sephalis certification)
Evidence worth collecting before the next decision
Sephalis keeps supplier statements, technical evidence and unresolved questions separate so the buyer can see what is known and what still needs engineering or specialist review.
✓ Buyer drawing / 3D / mating sample or controlled dimensional note — buyer-verified once revision locked
✓ Written series / mating P/N list matching the RFQ (genuine vs compatible stated) — buyer-verified once agreed
✓ Supplier datasheet stating pitch, circuits, current/voltage, temperature — supplier claim
✓ Supplier statement on plating, housing resin/UL94, and any IP/sealing claim — supplier claim
✓ Tooling / applicator note (included vs NRE; ownership) — commercial
✓ Written sample / prototype terms and production lead time — commercial
✓ Quotation with MOQ, mold/stamping NRE, reel vs loose packaging and exclusions — commercial
✓ Supplier-provided RoHS/REACH / UL recognition / other certificate copies where offered — supplier claim / document (not Sephalis certification or interchange approval)
✓ Unresolved items called out as unknown until buyer or specialist closes them: report-to-model match, plating thickness evidence, IP test method vs claimed rating, genuine vs compatible dimensional/electrical delta, applicator–terminal match
Commercial comparison
Separate one-time development cost from recurring unit cost.
For electronics, tooling, NRE, programming, test fixtures, artwork and prototype charges may sit outside the production unit price. A useful comparison keeps those charges visible together with MOQ, lead time, packaging and FOB terms.
Technical boundary
Supplier documents are evidence, not automatic approval.
Sephalis can collect specifications, quotations, supplier documents and samples. Formal electrical safety, radio, battery transport, engineering validation, product compliance and market-access decisions remain separate questions for the relevant specialists and authorities.
Common buyer questions
Short answers below describe the sourcing workflow rather than engineering or regulatory approval.
When should I use connectors-terminals vs cable-assemblies, wire-harnesses or usb-cables?
Use /electronics-sourcing-china/connectors-terminals for discrete housings, pins, crimp terminals, headers, circular/rectangular connectors and wire-to-board / wire-to-wire component kits (series/mating, pitch, plating, UL94/IP claims, tooling, MOQ/NRE). Use /electronics-sourcing-china/cable-assemblies for finished point-to-point or jacketed custom cables (drawing, pinout, length, overmould, test). Use /electronics-sourcing-china/wire-harnesses for branched harnesses with a from-to wire list, breakouts or loom covering. Use /electronics-sourcing-china/usb-cables for consumer USB / USB-C PD retail cables. If the project needs both components and finished assemblies, keep separate RFQs on the matching pages so suppliers quote the same product scope.
Does Sephalis manufacture or certify connectors and terminals?
No. Sephalis is a buyer-side sourcing and supplier-research service. It helps compare manufacturers and collect drawings, datasheets, quotations, samples and supplier documents. Manufacturing capability claims, rating/IP/UL94 statements, brand-compatibility claims and any certificates remain with the supplier; formal interchange qualification, electrical safety or market-access approval stays with the relevant specialists.
How should current/voltage ratings, IP, UL94 and RoHS/REACH claims be used?
List the required rating and document fields in the RFQ and request matching datasheets or certificate copies for the exact part quoted. Treat electrical ratings, IP/sealing statements, UL94 housing claims and RoHS/REACH declarations as supplier claims/documents to collect and review — not automatic product approval, ingress certification, or a Sephalis guarantee. If test method, plating evidence or report-to-model match is unclear, mark that item unknown until the buyer or a specialist closes it.
How should MOQ, NRE and tooling/applicators be compared?
Ask each supplier to separate sample cost, housing-mold or terminal-stamping NRE, and applicator/tooling charges from the recurring unit price; state reel vs loose packaging minimums; and give sample versus production lead times. Terminal reels often carry higher piece MOQs than housings — a headline “low MOQ” is not comparable until those lines and exclusions are written down.
How should mating and series-compatible claims be handled?
Put the target series or mating manufacturer part numbers in the RFQ and require each supplier to state whether they quote genuine branded parts, authorized distribution, or compatible/second-source. Compatibility and interchange remain the buyer’s engineering responsibility; Sephalis collects the written claim and supporting drawings/datasheets — it does not certify drop-in replacement or endorse any brand as interchangeable.
What drawing / specification package should go in the RFQ?
Prefer a revision-controlled 2D drawing and/or 3D STEP, target series or mating P/Ns, pitch/pin count, plating and housing notes, wire gauge range, packaging preference, and any required document list (RoHS/REACH, UL recognition if claimed). If only a competitor sample exists, say so and ask suppliers to state dimensional and electrical assumptions in writing. Sephalis can help collect and compare drawing-tied quotations; it does not replace the buyer’s mechanical or electrical sign-off.
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