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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
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CONN HEADER BLAD...
4,360
In-stock
Inquiry
51940-388LF Amphenol Communications Solutions
CONN RCPT BLADE P...
5,840
In-stock
Inquiry
51940-394LF Amphenol Communications Solutions
PWRBLADE VERT LF...
6,290
In-stock
Inquiry
10114820-1015LF Amphenol Communications Solutions
CONN HDR HIGH SPE...
2,910
In-stock
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51731-025LF Amphenol Communications Solutions
CONN HDR BLADE PW...
2,700
In-stock
Inquiry
51741-10003218AALF Amphenol Communications Solutions
CONN RCPT BLADE P...
3,770
In-stock
Inquiry
10106125-5005001LF Amphenol Communications Solutions
PWRBLADE+ R/A PF H...
7,680
In-stock
Inquiry
51721-10007205ABLF Amphenol Communications Solutions
CONN HDR BLADE PW...
5,420
In-stock
Inquiry
51720-10402406ABLF Amphenol Communications Solutions
CONN HDR BLADE PW...
1,610
In-stock
Inquiry
10125530-102LF Amphenol Communications Solutions
VS2 4X8 RH ST 2S
4,800
In-stock
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10089872-101LF Amphenol Communications Solutions
CONN HEADER 4POS ...
4,180
In-stock
Inquiry
10106268-B016002LF Amphenol Communications Solutions
CONN RCPT BLADE P...
6,290
In-stock
Inquiry
51720-10209602AALF Amphenol Communications Solutions
CONN HDR BLADE PW...
4,310
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51939-056LF Amphenol Communications Solutions
CONN HDR BLADE PW...
3,510
In-stock
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51702-10802800CALF Amphenol Communications Solutions
CONN HEADER BLAD...
3,630
In-stock
Inquiry
10106269-9005001LF Amphenol Communications Solutions
CONN RCPT BLADE P...
6,610
In-stock
Inquiry
10135267-10ALF Amphenol Communications Solutions
VS2 3X8 RR SM G:A G
7,190
In-stock
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10135267-10PLF Amphenol Communications Solutions
VS2 3X8 RR SM G:P G
1,100
In-stock
Inquiry
10061290-545555PLF Amphenol Communications Solutions
CONN RCPT POWER 6...
1,400
In-stock
Inquiry
10061290-554555PLF Amphenol Communications Solutions
CONN RCPT POWER 6...
1,200
In-stock
Inquiry