Contacts9 min read
Contact RFQ checklist: what to send for a comparable quote
A contact price depends on the load, the material, the joint and the test. Send all four in one pack, or the quotes will not be comparable.
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Sourcing notes for custom parts
Drawings, tooling, quality and landed cost, from the team that runs the programmes.
All guides, page 23
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Quality9 min read
Serialisation and UDI for medical parts
A unique device identifier is a label, a database entry and a change control record at the same time. Here is what a component supplier needs to hold, print and prove.
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Contacts9 min read
Silver cadmium oxide vs silver tin oxide: performance and regulation
The cadmium-free switch is not a straight material swap. What changes in resistance, welding and erosion, and what to revalidate.
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Lugs9 min read
Cable lug selection guide: barrel, palm, material and plating
Most termination failures are chosen before the crimp tool arrives. A four-part method for selecting a lug that fits the cable and the terminal.
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Contacts10 min read
Coil impregnation and encapsulation
How varnish and epoxy change the thermal path, the mechanical support and the life of a wound part, and how to specify the process without overbuilding the coil.
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Contacts9 min read
Contact cost drivers: silver price and scrap recovery
The silver in a contact is a traded metal, a process input and a recoverable asset at the same time. The quote has to treat it as all three.
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Quality9 min read
Deviation and concession process
Sometimes a known non-conformance has to ship. A controlled concession records the risk, the approver and the limit, so a one-off decision does not become a silent change.
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Contacts9 min read
Silver tungsten vs silver nickel contacts: how to choose
Two workhorse contact materials with opposite strengths. A comparison of resistance, erosion, welding and the force each one needs.
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Contacts9 min read
Sourcing contacts and coils from India: capability, silver and export
Contacts and coils are specialist products, not catalogue parts. What the Indian supply base can do, how silver is handled and what to verify before a programme moves.
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Contacts10 min read
Coil insulation classes: B, F, H and beyond
What a thermal class actually rates, how hot spot temperature differs from the average winding rise, and how to choose a class without paying for margin you do not need.
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Contacts9 min read
Contact FAI and material certificates: what the pack should contain
A contact first article pack links the drawing, the material, the joint and the test result to one serial number. Here is what to ask for.
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Contacts9 min read
Contact tips and pads: silver content, backing and joining
What silver content actually changes, why the joining method decides the joint more than the grade does, and how to specify a tip that stays on the blade.
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Go from reading to checking
The guides are built around the same questions as the free tools. Size a busbar, check an ISO 2768 callout, build a first article report or compare landed cost.
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