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Rectangular Connectors

Rectangular connectors cover a broad family of board-to-board, wire-to-board, and wire-to-wire interfaces used in everything from industrial control panels to automotive harnesses and telecom hardware. Common sub-types include pin headers, socket strips, IDC connectors, card edge connectors, and high-density multi-pin rectangular housings. Engineers often work with these parts when routing signal or power between PCBs, connecting cables inside enclosures, or linking modules in a chassis. Procurement teams usually look at pin count, pitch, current rating, contact plating, and operating temperature first, but there are trade-offs behind the scenes. A lower-cost tin plated contact can meet spec for low-cycle consumer products, while gold plating is preferred in higher reliability or corrosive environments. Lead time is another reality. Popular families from TE Connectivity, Molex, and JST can face extended factory lead times during demand spikes, so many buyers source through independent distributors to keep production moving. Packaging matters too. Tape and reel suits automated assembly, while bulk packaging works for bench builds or low-volume runs. In practice, counterfeit risk in the open market means buyers often ask for date codes, factory packaging photos, or certificates of conformance before placing orders. For current stock or a quick quote on rectangular connectors, check availability at https://www.icxing.com and our team can help confirm sourcing options.

Frequently Asked Questions

What is the typical minimum order quantity (MOQ) for rectangular connector housings and contacts?

MOQs vary by manufacturer and series. Standard catalog housings are often available in quantities as low as 1–10 pieces from distributors, while crimp contacts are commonly sold in reels or bags of 100–1,000+ pieces. Custom or high-reliability (MIL-spec) connectors may require MOQs of 100–500 units. Check with your distributor for cut-tape or small-quantity options during prototyping.

How do I verify lead times and avoid counterfeit rectangular connectors when sourcing?

Purchase through authorized distributors or directly from the manufacturer whenever possible, and request certificates of conformance (CoC) and full lot traceability. For obsolete or hard-to-find parts, use independent distributors with documented anti-counterfeit programs (e.g., IDEA-STD-1010 inspection). Confirm current lead times before ordering—standard rectangular connectors typically run 4–12 weeks, while MIL-DTL-83513 or custom configurations can exceed 20 weeks.

Are contacts included with rectangular connector housings, or must they be ordered separately?

In most rectangular connector families (e.g., D-sub, Micro-D, modular industrial series), housings and contacts are sold separately. Contacts are selected based on wire gauge, termination type (crimp, solder, PCB), and plating (gold vs. tin). Always confirm the compatible contact part numbers in the manufacturer's datasheet and verify that you have the correct crimp tooling, as tooling is often series-specific and sold separately.

13,803 Records
Image Part Manufacturer Description Stock Action
M40-6204146 Harwin
CONN RCPT 41POS SM...
6,480
In-stock
Inquiry
M40-6201546 Harwin
CONN RCPT 15POS SM...
4,020
In-stock
Inquiry
M40-6004146 Harwin
CONN PLUG 41POS SM...
6,050
In-stock
Inquiry
M40-6003146R Harwin
CONN PLUG 31POS SM...
4,950
In-stock
Inquiry
M58-3500342R Harwin
CONN MALE 0.5MM SM...
4,500
In-stock
Inquiry
M58-2500342R Harwin
CONN FMALE 0.5MM S...
3,820
In-stock
Inquiry
M58-3500442R Harwin
CONN MALE 0.5MM SM...
1,270
In-stock
Inquiry
M58-3800842R Harwin
CONN MALE 0.8MM SM...
4,570
In-stock
Inquiry
M58-2500442R Harwin
CONN FMALE 0.5MM S...
7,360
In-stock
Inquiry
M58-3500842R Harwin
CONN MALE 0.5MM SM...
5,630
In-stock
Inquiry
M58-2500842R Harwin
CONN FMALE 0.5MM S...
7,550
In-stock
Inquiry
M58-2501042R Harwin
CONN FMALE 0.5MM S...
1,560
In-stock
Inquiry
M40-6003146 Harwin
CONN PLUG 31POS SM...
3,220
In-stock
Inquiry
M40-6005146 Harwin
CONN PLUG 51POS SM...
3,150
In-stock
Inquiry
M40-6205146 Harwin
CONN RCPT 51POS SM...
5,670
In-stock
Inquiry
M58-3800642R Harwin
CONN MALE 0.8MM SM...
5,100
In-stock
Inquiry
M58-2800642R Harwin
CONN FMALE 0.8MM S...
2,280
In-stock
Inquiry
M40-6002546R Harwin
CONN PLUG 25POS SM...
1,010
In-stock
Inquiry
M58-2800842R Harwin
CONN FMALE 0.8MM S...
4,580
In-stock
Inquiry
M58-2801042R Harwin
CONN FMALE 0.8MM S...
4,450
In-stock
Inquiry