Macro view of a populated circuit board assembly lit from the side, showing fine-pitch components and finished solder joints

Capability envelope / Bayan Lepas, Penang

Electronics Assembly Capabilities

Eleven assembly, inspection, finish and fulfilment disciplines sit on one shop floor in Bayan Lepas, so a programme never travels between suppliers to be finished. Placement starts at 01005 chip components and 0.35 mm leadless pitch, and every SMT build leaves the line through 100% AOI.

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6 SMT lines 3 chip-shooter / 3 high-mix
3 DIP lines wave plus selective cell
99.4% first-pass yield, published

Capability index

What this facility builds and tests

Each row opens the discipline's own page with its equipment classes, acceptance limits and the engineering questions that decide whether the process fits your design.

Capability index - 11 disciplines - Bayan Lepas, Penang
Index Capability Technology hooks Governing figure
CAP-01 SMT Assembly 010050.35 mm pitch 0.42% DPMO
CAP-02 Through-Hole and DIP Assembly waveselective 3 DIP lines
CAP-03 Mixed-Technology Assembly SMT and THTpin-in-paste 1 panel MOQ
CAP-04 Prototype to Production NPIvolume bands 3-5 day prototypes
CAP-05 Component Sourcing and BOM Kitting authorized distributionAS6081 2 sourcing desks
CAP-06 Test Engineering: ICT, Flying Probe, FCT bed-of-nailsJTAG 4-8 week fixtures
CAP-07 AOI and X-Ray Inspection 100% AOI3D X-Ray <10% BGA void, Class 3
CAP-08 Conformal Coating acrylicsilicone IPC-CC-830B
CAP-09 Cable and Wire Harness crimpovermould IPC/WHMA-A-620
CAP-10 Box Build and System Integration enclosuresystem FCT AS9102 first article
CAP-11 Customer Logistics KanbanVMI 98.1% on-time delivery

Envelope

The numbers a DFM review is checked against

These are the limits the process engineers work to on every quotation. Anything outside them is flagged in the DFM notes before a stencil is ordered.

Capability envelope - 12 parameters - IPC-A-610 Class 2 and Class 3
Envelope parameter What this facility runs Standard or limit
Minimum chip component 01005 (0.4 x 0.2 mm) and 0201 passives on chip-shooter lines IPC-7351B land patterns
Minimum leadless pitch 0.35 mm BGA, micro-BGA, QFN and CSP with vision alignment 3D X-Ray on 100% of joints
Fine-pitch placement accuracy +/-15-25 um in ultra-fine-pitch mode, +/-30-50 um at full chip-shooter speed J-STD-001 process control
Placement throughput 40,000-80,000 CPH chip shooters, 3,000-8,000 CPH fine-pitch heads Per-line capacity planning
Board thickness accepted 0.4-4.0 mm rigid, including 0.6 mm wearable assemblies Panel support per line
Maximum board size 510 x 460 mm as quoted, against a typical industry line maximum of a 508 x 508 mm panel Industry-typical range
Incoming bare-board layers 1-32 layers, rigid, flex and rigid-flex IPC-6012 Class 2 or 3
Solder alloy SAC305 with a 217 C liquidus, SnPb retained for legacy and defence programmes J-STD-001 alloy control
Stencil thickness 100 um below 0.4 mm pitch, 120 um standard mixed build, 150 um large thermal pads Laser-cut, nano-coated
Reflow 10-zone forced convection with soak and ramp-to-spike profiles set per board design Validated profile per part number
BGA void acceptance Below 25% of ball diameter at Class 2 and below 10% at Class 3 IPC-7095
Ionic contamination 1.56 ug NaCl/cm2 maximum at Class 2 and 0.78 ug at Class 3 ROSE and ion chromatography

Inside the assembly hall

Wide view down an electronics assembly hall with surface mount lines feeding reflow ovens under warm overhead light
Bayan Lepas assembly hall - SMT, DIP and coating on one ESD-controlled floor 4,100 m2 of 6,400 m2 under ESD control - ANSI/ESD S20.20

Decision points

The questions that decide a supplier

Eight topics come up in almost every sourcing review. These are the answers this facility can evidence with a document, a measurement or a date.

OBJ-01 / Lead time

How fast is the first unit?

A simple 2-layer prototype runs in 3-5 working days and a complex build in 5-10. Volume production commits 3-6 weeks after material release, gated by component availability rather than line time.

OBJ-02 / MOQ

Do we have to buy a batch?

Zero MOQ on prototypes, so 1 board is a legitimate order. Production releases from 1 panel, and panel quantity is set by annual demand instead of recovering a setup fee.

OBJ-03 / Certification

Which certificates exist today?

ISO 9001:2015 and ISO 13485:2016 are held at this site, and IATF 16949 and AS9100D requirements are audited against for automotive and aerospace. Workmanship follows IPC-A-610 Class 2 or Class 3, and a RoHS 3 and REACH declaration is issued with every shipment.

OBJ-04 / IP protection

Who can see our design?

An NDA is executed before files move. Gerbers, BOMs and test programs sit on an access-controlled server, and ITAR-flagged or export-controlled data follows a documented route with named owners.

OBJ-05 / File formats

What do you need to quote?

Gerber X2 or ODB++, an IPC-2581 export where your CAD tool supports it, a BOM in CSV or XLSX carrying manufacturer part numbers, plus the assembly drawing with polarity and reference designators.

OBJ-06 / Tooling cost

What is charged before production?

NRE runs $150-500 per order, covering stencil, programming and profile development. A frameless prototype stencil is $30-60 and a framed production stencil $80-200, billed once per revision.

OBJ-07 / Traceability

Can you prove what went into it?

Panel-level and serial-level records capture laminate lot, component lot and date code, reflow profile and inspection result. Automotive programmes retain those records for 15 years.

OBJ-08 / Payment terms

How are orders settled?

New programmes run 50% on order and 50% on shipment. After three completed orders the account moves to net-30, with EXW, FOB Penang, CIF, DAP and DDP available as Incoterms.

RFQ flow

From data package to released volume

Five stages, each with a fixed deliverable and a named owner, so a programme never waits on an unanswered question.

Data package received

Send Gerbers, BOM, assembly drawing and target quantity. Engineering acknowledges within one working day and lists whatever is missing rather than quoting around a gap.

DFM and DFA review

A CAM check runs against the envelope above: pad geometry, stencil aperture ratio, panel rail, and test-point access on a 1.0 mm pad at a 2.54 mm grid.

Quote with held pricing

The quotation states unit price by volume band, NRE, tooling, test strategy and lead time. Pricing is held for 30 days so your approval cycle does not move the number.

NPI build and first article

You approve the first article against the drawing, the AOI and X-Ray reports and the functional test log. Any deviation is written up before volume is scheduled.

Volume release

Production releases against the frozen revision with SPC on the process indicators, and the same panel-level traceability record follows every shipment.

Questions

Capability questions we answer before quoting

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