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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
SG3102E24-53S Amphenol Industrial
ER 5C 5#8 SKT RECP
3,580
In-stock
Inquiry
SG3102E24-67SW Amphenol Industrial
ER 19C 19#12 SKT RECP...
5,730
In-stock
Inquiry
SG3102E24-75P Amphenol Industrial
ER 7C 7#8 PIN RECP
2,920
In-stock
Inquiry
SG3102E24-96P Amphenol Industrial
ER 28C 28#16 PIN RECP
3,440
In-stock
Inquiry
SG3102E28-68P Amphenol Industrial
ER 35C 35#16 PIN RECP...
7,440
In-stock
Inquiry
SG3102E28-84P Amphenol Industrial
ER 9C 9#8 PIN RECP
4,860
In-stock
Inquiry
SG3102E28-84S Amphenol Industrial
ER 9C 9#8 SKT RECP B...
1,010
In-stock
Inquiry
SG3102E32-12S Amphenol Industrial
ER 15C 10#16 5#12 SKT R...
3,470
In-stock
Inquiry
SG3102E32-73SW Amphenol Industrial
ER 46C 46#16 SKT RECP
6,300
In-stock
Inquiry
SG3102E32-79P Amphenol Industrial
ER 5C 1#8 4#4 PIN REC...
6,120
In-stock
Inquiry
SG3102E32-79S Amphenol Industrial
ER 5C 4#4 1#8 SKT REC...
3,700
In-stock
Inquiry
SG3102E36-6S Amphenol Industrial
ER 6C 4#4 2#0 SKT REC...
6,140
In-stock
Inquiry
SG3102E36-76P Amphenol Industrial
ER 47C 47#16 PIN RECP
4,610
In-stock
Inquiry
SG3102E36-76S Amphenol Industrial
ER 47C 47#16 SKT RECP
3,650
In-stock
Inquiry
SG3102E40-57SW Amphenol Industrial
ER 4C 4#0 SKT RECP
3,410
In-stock
Inquiry
SG3102E40-ADP Amphenol Industrial
ER 8C 4#8 4#0 PIN REC...
5,100
In-stock
Inquiry
SG3106E10SL-3S-027 Amphenol Industrial
ER 3C 3#16S SKT PLUG
7,280
In-stock
Inquiry
SG3106E10SL-52P Amphenol Industrial
ER 2C 2#16S PIN PLUG
6,110
In-stock
Inquiry
SG3106E10SL-53P Amphenol Industrial
ER 2C 2#16S SKT PLUG...
7,690
In-stock
Inquiry
SG3106E10SL-55P Amphenol Industrial
ER 3C 3#16S PIN PLUG
5,150
In-stock
Inquiry