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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
84688-101 Amphenol Communications Solutions
CONN RCPT HIGH SP...
4,740
In-stock
Inquiry
50004-1392E Amphenol Communications Solutions
CONN RCPT HD 392PO...
7,050
In-stock
Inquiry
51744-10601204A0 Amphenol Communications Solutions
CONN RCPT BLADE P...
6,050
In-stock
Inquiry
84817-104001 Amphenol Communications Solutions
CONN HDR HIGH SPE...
1,080
In-stock
Inquiry
51927-004 Amphenol Communications Solutions
CONN RCPT BLADE P...
7,280
In-stock
Inquiry
50003-5320E Amphenol Communications Solutions
CONN RCPT HD 320PO...
4,160
In-stock
Inquiry
51742-10202400AA Amphenol Communications Solutions
CONN RCPT BLADE P...
4,950
In-stock
Inquiry
74977-104002 Amphenol Communications Solutions
CONN HDR HIGH SPE...
4,300
In-stock
Inquiry
51760-10101601AA Amphenol Communications Solutions
CONN RCPT BLADE P...
5,620
In-stock
Inquiry
51747-10400000C0 Amphenol Communications Solutions
CONN RCPT BLADE P...
7,240
In-stock
Inquiry
51740-10101201CA Amphenol Communications Solutions
CONN RCPT BLADE P...
4,330
In-stock
Inquiry
50015-5216C Amphenol Communications Solutions
CONN HEADER HD 216...
5,920
In-stock
Inquiry
51940-035 Amphenol Communications Solutions
CONN RCPT BLADE P...
1,640
In-stock
Inquiry
84854-101 Amphenol Communications Solutions
CONN RCPT HIGH SP...
3,420
In-stock
Inquiry
50565-1044F Amphenol Communications Solutions
CONN RCPT HD 50POS...
4,180
In-stock
Inquiry
50001-1348E Amphenol Communications Solutions
CONN RCPT HD 348PO...
2,670
In-stock
Inquiry
50004-1368E Amphenol Communications Solutions
CONN RCPT HD 368PO...
6,820
In-stock
Inquiry
50009-1240A Amphenol Communications Solutions
CONN HEADER HD 240...
4,100
In-stock
Inquiry
84688-301 Amphenol Communications Solutions
CONN RCPT HI SPEE...
6,020
In-stock
Inquiry
51740-10003200CA Amphenol Communications Solutions
CONN RCPT BLADE P...
2,810
In-stock
Inquiry