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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
39514-0003 Molex
3.81MM EURO PLUG RA...
1,500
In-stock
Inquiry
39485-0005 Molex
4.00MM PCB HEADER A...
6,660
In-stock
Inquiry
39537-3002 Molex
5.08MM EURO PLUG VE...
1,930
In-stock
Inquiry
39523-3002 Molex
5.0MM EURO PLUG VE...
2,660
In-stock
Inquiry
39485-0007 Molex
4.00MM PCB HEADER A...
6,520
In-stock
Inquiry
39507-2004 Molex
3.50MM EURO PLUG VE...
6,610
In-stock
Inquiry
55757-0320 Molex
5.0 MULTI TERM HDR...
1,600
In-stock
Inquiry
39485-0008 Molex
4.00MM PCB HEADER A...
7,390
In-stock
Inquiry
39373-0006 Molex
SR HDR 7.5MM 6 ASY R...
3,350
In-stock
Inquiry
39485-0009 Molex
4.00MM PCB HEADER A...
7,270
In-stock
Inquiry
55757-0520 Molex
5.0 MULTI TERM HDR...
3,150
In-stock
Inquiry
39511-1006 Molex
3.81MM EURO HEADER...
1,590
In-stock
Inquiry
39870-0709 Molex
9POS 5.08MM EURO CL...
6,300
In-stock
Inquiry
39980-0407 Molex
NEO 5.08MM PCB HDR ...
2,260
In-stock
Inquiry
39485-0010 Molex
4.00MM PCB HEADER A...
1,140
In-stock
Inquiry
39353-0012 Molex
SR HDR 3.5CE 12 ASY ...
6,020
In-stock
Inquiry
39355-0014 Molex
SR HDR 35CE 14 ASY R...
2,920
In-stock
Inquiry
39351-0004 Molex
SR BTS 3.5 4 ASY PLU...
6,070
In-stock
Inquiry
39530-0012 Molex
5.08MM EURO PLUG RA...
3,150
In-stock
Inquiry
0395021008 Molex
TERM BLOCK HDR 8P...
2,730
In-stock
Inquiry