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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
0520440945 Molex
CONN FFC FPC TOP ...
7,790
In-stock
Inquiry
0520441145 Molex
CONN FFC TOP 11POS...
4,940
In-stock
Inquiry
0520441245 Molex
CONN FFC TOP 12POS...
7,350
In-stock
Inquiry
0520441345 Molex
CONN FFC TOP 13POS...
6,930
In-stock
Inquiry
0520441445 Molex
CONN FFC TOP 14POS...
4,600
In-stock
Inquiry
0520441545 Molex
CONN FFC TOP 15POS...
1,210
In-stock
Inquiry
0520441745 Molex
CONN FFC TOP 17POS...
5,270
In-stock
Inquiry
0520441845 Molex
CONN FFC TOP 18POS...
7,730
In-stock
Inquiry
0520441945 Molex
CONN FFC TOP 19POS...
7,840
In-stock
Inquiry
0520442145 Molex
CONN FFC TOP 21POS...
1,000
In-stock
Inquiry
0520442245 Molex
CONN FFC TOP 22POS...
1,510
In-stock
Inquiry
0520442445 Molex
CONN FFC TOP 24POS...
3,550
In-stock
Inquiry
0520442545 Molex
CONN FFC TOP 25POS...
5,210
In-stock
Inquiry
0520442645 Molex
CONN FFC TOP 26POS...
7,430
In-stock
Inquiry
0520442845 Molex
CONN FFC TOP 28POS...
6,510
In-stock
Inquiry
0520442945 Molex
CONN FFC TOP 29POS...
2,260
In-stock
Inquiry
0520443045 Molex
CONN FFC TOP 30POS...
4,760
In-stock
Inquiry
0520443145 Molex
CONN FFC TOP 31POS...
2,040
In-stock
Inquiry
0520443245 Molex
CONN FFC TOP 32POS...
1,910
In-stock
Inquiry
0520443345 Molex
CONN FFC TOP 33POS...
2,420
In-stock
Inquiry