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A Supply Chain Built for Predictable Delivery

Your component is only as reliable as the chain that delivers it. Here is the system behind every shipment.

You may often hear the phrase “on-time delivery”. Behind those words sits a supplier qualification system, a customer collaboration process, lead time logic, and continuity measures that keep your line running when conditions change.

units per year, shipped from a single controlled facility.

Every Supplier is Graded before Any Material is Accepted

FCom classifies every material supplier into one of three tiers, each mapped to a product grade. The tier determines what that material is allowed to touch.

About Our Supplier Ecosystem

What is its true value to you?

A tiered supplier system puts risk reduction on your receiving dock. When a supplier is graded before production, you spend less time on batch-to-batch debugging, less money on inspection escapes, and less schedule margin on re-qualification. The parts you receive behave like the parts you qualified.

A Process Built to Move at Your Project's Speed.

From first contact to mass production, every phase has a defined output and a committed response window.

Phase 1

Qualify

Phase 2

Design-in

Phase 3

Validate

Phase 4

Deliver

1 business day

First technical response

48–72 hours

Standard sample shipment

1–2 business days

DOA assessment

10–15 working days

FA preliminary conclusion

We Stand Behind Every Shipment.

A warranty is a promise. Here is ours.

Product Category	Typical Lead Time
Quartz Crystal Resonators (standard)	1 week (in stock)
Tuning Fork Crystals (32.768 kHz)	1 week (in stock)
Crystal Oscillators, XO (standard)	1 week (in stock)
Crystal Oscillators, XO (high-precision / wide-temp)	2 weeks
Differential Oscillators	2 to 4 weeks
TCXOs	4 weeks
VCXOs	4 weeks
OCXOs	8 weeks (standard); custom: determined by spec
SAW Resonators	~1 week
SAW Filters	~2 weeks
Crystal Filters	2 to 3 weeks

For tighter windows, speak with our team. We maintain safety stock on key part numbers and can discuss priority production slots.

What We Deliver Beyond Components

SMD devices on tape and reel; DIP parts in anti-static bags. Every package labeled with lot/date code for full traceability.

Warehouse maintained at 10 to 40°C, ~60% RH, with ESD-protected handling. MSL-sensitive devices follow J-STD-020.

Every shipment includes CoC, RoHS/REACH declarations, and lot-level traceability data. More documents available on request.

Every device passes outgoing electrical test on frequency, ESR, load parameters, drive level, and start-up margin.

Accelerate Your Design-In Process

Beyond the parts, FCom gives you the tools and data to move through evaluation and system integration faster.

PCN & EOL Management

Every product change or discontinuation comes with advance written notice. You get time to plan last-time buys, qualify alternatives, and adjust your BOM before a part leaves the supply chain.

Safety Stock & Supply Continuity

Key part numbers carry safety stock to absorb demand spikes and supply disruptions. When a primary source tightens, our team provides alternative sourcing strategies and substitute recommendations, keeping your production schedule intact.

Supply Risk Mitigation

Single-source risk is managed before it reaches you. For critical part numbers, FCom maintains qualified alternative material sources and drop-in substitute recommendations across our portfolio. If a supply disruption hits, you get a contingency plan instead of a surprise.

Need safety stock data on your part numbers, or a supply continuity plan for a new project? Start here.

Discuss Supply Planning

Talk to Us about Your Supply Requirements.

Need a custom lead time, safety stock data on a part number, or a supply agreement for a new project? Start here.

Discuss Your Supply Needs

Precision Manufacturing

Quality & Reliability

Custom Crystal Engineering