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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
50749-5600E Amphenol Communications Solutions
CONN RCPT HD 600PO...
2,210
In-stock
Inquiry
50294-1018E Amphenol Communications Solutions
CONN RCPT HD 18POS...
2,570
In-stock
Inquiry
50003-1048E Amphenol Communications Solutions
CONN RCPT HD 48POS...
5,240
In-stock
Inquiry
50006-1048D Amphenol Communications Solutions
CONN HEADER HD 48P...
3,510
In-stock
Inquiry
65JR107-1 Amphenol Communications Solutions
CONN HEADER BNC H...
7,820
In-stock
Inquiry
50006-1150G Amphenol Communications Solutions
CONN HEADER HD 150...
6,580
In-stock
Inquiry
50295-5256E Amphenol Communications Solutions
CONN RCPT HD 256PO...
1,450
In-stock
Inquiry
50565-1120E Amphenol Communications Solutions
CONN RCPT HD 126PO...
7,530
In-stock
Inquiry
10123498-2005LF Amphenol Communications Solutions
0.5M 30AWG MINISAS
7,860
In-stock
Inquiry
85965-104LF Amphenol Communications Solutions
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1,990
In-stock
Inquiry
50388-5128ZLF Amphenol Communications Solutions
4R VER. REC
6,360
In-stock
Inquiry
10123781-4060LF Amphenol Communications Solutions
6.0M 26AWG MINISAS ...
3,830
In-stock
Inquiry
10121691-1000 Amphenol Communications Solutions
AIRMAX VS 4PR 16 CO...
6,080
In-stock
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10131073-001LF Amphenol Communications Solutions
LED -SPD BASE 5 HO...
3,940
In-stock
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10131074-001LF Amphenol Communications Solutions
LED -SPD COVER 5 H...
7,440
In-stock
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84962-103LF Amphenol Communications Solutions
METRAL 3000 HEADER
3,390
In-stock
Inquiry
10025058-2111LF Amphenol Communications Solutions
METRAL POWER 2X2 R...
7,630
In-stock
Inquiry
10025058-2112LF Amphenol Communications Solutions
METRAL POWER 2X2 R...
5,970
In-stock
Inquiry
72800-213LF Amphenol Communications Solutions
METRAL SOFIX RA H...
5,980
In-stock
Inquiry
72830-201RLF Amphenol Communications Solutions
METRAL SOFIX RA H...
4,000
In-stock
Inquiry