When you need reliable electrical connections for your professional applications, the J14D series rectangular electrical connectors deliver exceptional performance and durability. These high-quality connectors are specifically designed for low-frequency electrical applications where reliability matters most. Our items highlight inventive dual-safety locking instruments that give speedy and secure associations each time. You'll appreciate the mindful plan components like adjusted corners that avoid switch addition, guaranteeing secure establishment in your basic systems.
Our rectangular electrical connectors combine compact design with robust functionality. The J14D series offers welding termination forms that create permanent, reliable connections for your electronic systems. These connectors meet NI product model requirements and support both OEM and ODM customization to match your specific project needs.
Each connector features a lightweight yet durable construction that withstands demanding operational environments. The rounded corner design not only prevents installation errors but also contributes to the overall compact footprint of your assemblies.
| Parameter | Standard Conditions | High Temperature | Humid Conditions | Low Pressure |
|---|---|---|---|---|
| Rated Current | 5A | 5A | 5A | 5A |
| Contact Resistance (Before Life Test) | ≤6mΩ | ≤6mΩ | ≤6mΩ | ≤6mΩ |
| Contact Resistance (After Life Test) | ≤10mΩ | ≤10mΩ | ≤10mΩ | ≤10mΩ |
| Insulation Resistance | ≥2000MΩ | ≥1000MΩ | ≥20MΩ | - |
| Withstand Voltage | 800V | 800V | 800V | 250V |
| Operating Temperature | -55℃ to +125℃ | -55℃ to +125℃ | -55℃ to +125℃ | -55℃ to +125℃ |
| Mechanical Life | 500 cycles | 500 cycles | 500 cycles | 500 cycles |
| Atmospheric Pressure Range | 101.3kPa to 1.33Pa | 101.3kPa to 1.33Pa | 101.3kPa to 1.33Pa | 101.3kPa to 1.33Pa |
These versatile connectors excel in various professional environments:
The dual-safety locking component guarantees your associations stay secure beneath vibration and stun conditions. The connectors handle sinusoidal vibration from 10-2000Hz with increasing speed up to 196m/s². They too withstand stun increasing speed of 980m/s² and 780m/s², making them appropriate for requesting mechanical environments.
Operating dependably over extraordinary temperatures from -55℃ to +125℃, these connectors keep up steady execution in unforgiving conditions. The tall separator resistance values guarantee flag keenness indeed in muggy situations with relative mugginess up to 95%.
We understand that standard solutions don't always meet unique requirements. Our engineering team offers comprehensive OEM and ODM customization services for the J14D series rectangular electrical connectors. Whether you need modified pin configurations, special housing materials, or unique mounting options, we work closely with you to develop the perfect solution.
Our 12+ a long time of industry involvement empowers us to rapidly get it your prerequisites and provide custom arrangements that surpass desires. From model improvement to full generation runs, we bolster your venture each step of the way.

Deep Industry Mastery: With over 12 a long time in the industry, we bring unmatched involvement to each extend. Our group gets it the challenges you confront and creates arrangements that work.
Quality Confirmation: We keep up strict quality control forms all through plan and fabricating. Each connector experiences thorough testing to guarantee it meets our tall benchmarks and your specifications.
Rapid Reaction: Our gifted R&D and after-sales groups react rapidly to your needs. Whether you require specialized back or custom alterations, we're here to help.
Comprehensive Bolster: From beginning discussion through establishment and past, we give total bolster. Our after-sales benefit incorporates investigating help and standard follow-ups to guarantee your satisfaction.


Q: What makes the J14D arrangement distinctive from standard rectangular connectors?
A: The dual-safety locking instrument and adjusted corner plan give predominant unwavering quality and ease of utilize compared to customary rectangular connectors.
Q: Can these connectors handle open air applications?
A: Yes, with working temperatures from -55℃ to +125℃ and fabulous natural resistance, they perform well in open air conditions.
Q: What customization alternatives are available?
A: We offer OEM/ODM administrations counting custom stick arrangements, lodging alterations, and specialized mounting options.
Q: How do I guarantee legitimate installation?
A: The adjusted corner plan avoids invert addition, and the dual-safety locking instrument affirms secure association.
Ready to discuss your connector requirements? Our technical team is standing by to help you select the right J14D series rectangular electrical connectors solution for your application.
Email: manager03@mxtdinfo.com
Contact us today for technical specifications, custom quotes, or to discuss how our connectors can improve your system reliability.
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.