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Connectors, Interconnects

Connectors Interconnects covers the parts that join one circuit to another, from the AC inlet on a power supply chassis down to the tiny FFC connector holding a display ribbon in a handheld device. The category is broad. It includes AC power connectors, backplane and card edge types, banana and tip jacks for test benches, barrel power jacks, coaxial RF connectors, D-sub shells, circular connectors for industrial and mil-spec gear, fiber optic termini, board-to-board mezzanine parts, and between-series adapters for mating dissimilar interfaces. Nearly every assembled product contains several of these, and they show up in telecom racks, medical equipment, automotive harnesses, instrumentation, and consumer electronics alike. Buyers sourcing connectors tend to check a few things before anything else: mating cycle rating, contact plating (gold flash versus 30 microinch gold changes both price and life), current and voltage ratings per contact, wire gauge range, and the exact keying or polarization code, since one wrong suffix can mean a housing that looks right but will not mate. Pitch and footprint matter for board-level parts, and RF types add impedance and frequency range to the checklist. The real trade-off in this category is usually lead time against price. Franchised stock on popular TE, Molex, or Amphenol series can carry 12 to 20 week factory lead times when demand spikes, so many buyers turn to independent channels for shortages. That is where counterfeit risk creeps in, especially on high-value circular and mil-spec connectors, and it is worth asking for traceability and photos of labels and date codes before committing. Packaging preference matters too: cut tape versus full reel, or bagged versus tray, affects both price and how the parts run through your assembly process. You can check current stock and get a quote on any part number in this category at icxing.com.

Frequently Asked Questions

How do I make sure the connectors I buy from an independent distributor are not counterfeit?

Ask for full traceability paperwork, lot and date codes, and clear photos of the actual parts and labels before payment. Reputable independent distributors will also support third-party testing such as XRF plating analysis and decapsulation on higher-value parts. If a price is far below market on a shortage part, treat that as a warning sign.

The part number I need shows a long factory lead time. What are my options?

First check whether a different suffix of the same series (plating, keying, or packaging variant) is in stock, since those are often interchangeable for your build. Independent distributors frequently hold franchised excess or factory overruns on constrained series, so sending your full BOM for a shortage quote is usually faster than waiting on the standard lead time.

Does gold plating thickness actually matter when I select a connector?

Yes. Gold flash is fine for a few dozen mating cycles in a controlled environment, but connectors rated for hundreds of cycles typically specify 15 to 30 microinches of gold over nickel. Thinner plating saves cost but wears through to the base metal, which raises contact resistance and causes intermittent failures over time, especially in humid or high-vibration environments.

135,496 Records
Image Part Manufacturer Description Stock Action
1731120559 Molex
FCT SCREW M3/M3 12.7...
7,280
In-stock
Inquiry
1731120380 Molex
FCT SCREW SET 4-40 ...
4,070
In-stock
Inquiry
1731120248 Molex
FCT SCREW SET 4-40 ...
4,490
In-stock
Inquiry
1731120342 Molex
FCT SCREW M3/M3 12.7...
2,270
In-stock
Inquiry
1731120402 Molex
FCT THMB SCREW M3...
4,540
In-stock
Inquiry
1731120401 Molex
FCT THMB SCREW M2...
3,080
In-stock
Inquiry
1731120273 Molex
FCT SCREW SET 4-40/...
7,790
In-stock
Inquiry
1731120264 Molex
FCT SCREW SET 4-40 ...
6,370
In-stock
Inquiry
1731120660 Molex
FCT SCREW SET 4-40/...
1,220
In-stock
Inquiry
1731120587 Molex
FCT THMB SCREW 4-4...
7,010
In-stock
Inquiry
1731120710 Molex
FCT SPRING CLIP W...
2,360
In-stock
Inquiry
1731120406 Molex
FCT SCREW SET M3 1...
3,860
In-stock
Inquiry
1731120236 Molex
FCT SCREW SET 4-40 ...
6,940
In-stock
Inquiry
1731120335 Molex
FCT THMB SCREW 4-4...
5,500
In-stock
Inquiry
1731120251 Molex
FCT SCREW SET M3 1...
1,590
In-stock
Inquiry
1731120304 Molex
FCT THMB SCREW M3...
5,300
In-stock
Inquiry
1731120405 Molex
D-SUB LATCH LOCK ...
6,390
In-stock
Inquiry
1731120234 Molex
FCT SCREW SET M3 8...
2,730
In-stock
Inquiry
1731120574 Molex
FCT SCREW 4-40/4-40 18...
2,040
In-stock
Inquiry
1731120654 Molex
FCT SCREW 4-40/4-40 4....
7,750
In-stock
Inquiry