Connectors, Interconnects

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
55804025 Würth Elektronik
CONN RING CIRC M4...
2,640
In-stock
Inquiry
5580516 Würth Elektronik
CONN RING CIRC M5...
7,810
In-stock
Inquiry
5580616 Würth Elektronik
CONN RING CIRC M6...
5,870
In-stock
Inquiry
5580625 Würth Elektronik
CONN RING CIRC M6...
3,540
In-stock
Inquiry
5581095 Würth Elektronik
CONN RING CIRC 000...
5,010
In-stock
Inquiry
5580870 Würth Elektronik
CONN RING CIRC 00A...
5,310
In-stock
Inquiry
5580406 Würth Elektronik
CONN RING CIRC M4...
5,780
In-stock
Inquiry
5580506 Würth Elektronik
CONN RING CIRC M5...
6,490
In-stock
Inquiry
5580510 Würth Elektronik
CONN RING CIRC 7A...
1,670
In-stock
Inquiry
5581070 Würth Elektronik
CONN RING CIRC 00A...
1,750
In-stock
Inquiry
7466005R Würth Elektronik
TERM REDCUBE M5 S...
7,870
In-stock
Inquiry
7466303R Würth Elektronik
TERM REDCUBE M3 1P...
5,750
In-stock
Inquiry
746600330R Würth Elektronik
TERM REDCUBE M3 S...
4,140
In-stock
Inquiry
7466203R Würth Elektronik
TERM REDCUBE M3 1P...
2,470
In-stock
Inquiry
74651174R Würth Elektronik
TERM REDCUBE 4PIN...
5,920
In-stock
Inquiry
74651194R Würth Elektronik
TERM REDCUBE 9PIN...
7,210
In-stock
Inquiry
74650073R Würth Elektronik
TERM REDCUBE M3 4P...
3,280
In-stock
Inquiry
7466313R Würth Elektronik
TERM REDCUBE M3 2P...
7,760
In-stock
Inquiry
74650074R Würth Elektronik
TERM REDCUBE M4 4P...
6,980
In-stock
Inquiry
7466103 Würth Elektronik
TERM REDCUBE M3 1P...
3,610
In-stock
Inquiry