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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.

Image Part Manufacturer Description Stock Action
SG3108E14S-A7S Amphenol Industrial
ER 7C 7#16S SKT PLUG
5,760
In-stock
Inquiry
SG3108E18-7P Amphenol Industrial
ER 1C 1#8 PIN PLUG
3,730
In-stock
Inquiry
SG3108E18-7S Amphenol Industrial
ER 1C 1#8 SKT PLUG
7,370
In-stock
Inquiry
SG3108E20-22S-SR Amphenol Industrial
ER 6C 3#16 3#8 SKT PLU...
3,670
In-stock
Inquiry
SG3108E22-23P-SR Amphenol Industrial
ER 8C 8#12 PIN PLUG ...
2,270
In-stock
Inquiry
SG3108E22-23S-SR Amphenol Industrial
ER 8C 8#12 SKT PLUG ...
6,310
In-stock
Inquiry
SG3108E22-2S Amphenol Industrial
ER 3C 3#8 SKT PLUG R...
2,770
In-stock
Inquiry
SG3108E28-84P Amphenol Industrial
ER 9C 9#8 PIN PLUG
7,900
In-stock
Inquiry
SG3108E28-84S Amphenol Industrial
ER 9C 9#8 SKT PLUG
2,220
In-stock
Inquiry
SG3108E32-31P Amphenol Industrial
ER 31C 31#16 PIN PLUG
7,410
In-stock
Inquiry
SG3108E32-31S Amphenol Industrial
ER 31C 31#16 SKT PLUG
1,400
In-stock
Inquiry
SM3100F18-19P Amphenol Industrial
ER 10C 10#16 PIN RECP
4,750
In-stock
Inquiry
SM3100F24-79P Amphenol Industrial
ER 5C 5#8 PIN RECP W...
4,550
In-stock
Inquiry
SM3100R24-79S Amphenol Industrial
ER 5C 5#8 SKT RECP
7,510
In-stock
Inquiry
SM3100RC32-7S-115 Amphenol Industrial
ER 35C 28#16 7#12 SKT R...
1,910
In-stock
Inquiry
SM3101F24-67P Amphenol Industrial
ER 19C 19#12 PIN PLUG
7,020
In-stock
Inquiry
SM3101F32-31P Amphenol Industrial
ER 31C 31#16 PIN PLUG
7,390
In-stock
Inquiry
SM3101F32-64P Amphenol Industrial
ER 54C 54#16 PIN RECP...
7,870
In-stock
Inquiry
SM3101F32-64S Amphenol Industrial
ER 54C 54#16 SKT RECP...
2,190
In-stock
Inquiry
SM3101R10SL-4P-115 Amphenol Industrial
ER 2C 2#16S PIN RECP
7,360
In-stock
Inquiry