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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
51746-10200800A0 Amphenol Communications Solutions
CONN RCPT BLADE P...
1,990
In-stock
Inquiry
10009542-001 Amphenol Communications Solutions
CONN HEADER BLAD...
7,540
In-stock
Inquiry
51897-003 Amphenol Communications Solutions
CONN RCPT BLADE P...
2,710
In-stock
Inquiry
50565-1064F Amphenol Communications Solutions
CONN RCPT HD 70POS...
3,940
In-stock
Inquiry
10009536-001 Amphenol Communications Solutions
CONN RCPT BLADE P...
3,570
In-stock
Inquiry
51939-048 Amphenol Communications Solutions
CONN HEADER BLAD...
5,050
In-stock
Inquiry
51915-021 Amphenol Communications Solutions
CONN RCPT BLADE P...
6,550
In-stock
Inquiry
74770-102 Amphenol Communications Solutions
CONN RCPT 96POS ED...
2,610
In-stock
Inquiry
84688-901 Amphenol Communications Solutions
CONN RCPT HI SPEE...
6,420
In-stock
Inquiry
63784-1016 Amphenol Communications Solutions
CONN HDR HIGH SPE...
2,240
In-stock
Inquiry
50644-1540E Amphenol Communications Solutions
CONN RCPT HD 540PO...
4,950
In-stock
Inquiry
50009-5280A Amphenol Communications Solutions
CONN HEADER HD 280...
3,020
In-stock
Inquiry
50565-XX006 Amphenol Communications Solutions
CONN RCPT HD 66POS...
6,290
In-stock
Inquiry
50565-XX006LF Amphenol Communications Solutions
CONN RCPT HD 66POS...
7,380
In-stock
Inquiry
51740-10401204AA Amphenol Communications Solutions
CONN RCPT BLADE P...
3,020
In-stock
Inquiry
63740-102 Amphenol Communications Solutions
CONN RCPT BLADE P...
5,960
In-stock
Inquiry
50009-5300C Amphenol Communications Solutions
CONN HEADER HD 300...
5,770
In-stock
Inquiry
72394-221 Amphenol Communications Solutions
2 X 12 CONNECTOR SU...
2,960
In-stock
Inquiry
72394-211 Amphenol Communications Solutions
CONN SUB-ASSEMBL...
3,500
In-stock
Inquiry
72394-222 Amphenol Communications Solutions
2 X 12 CONNECTOR SU...
7,610
In-stock
Inquiry