CROSS REFERENCE
Connector Cross Reference & Replacement
Send us your existing part number, drawing, photo, datasheet or mating interface information. Our team will review the mechanical, electrical and environmental requirements to identify a suitable replacement or alternative solution for your application.
Mating Interface
Contact
Arrangement
Keying
Mounting
Electrical
Rating
Environmental
Performance
What You Can Send Us
The more information you provide, the faster and more accurately we can evaluate the right replacement direction.
Existing Part Number
Provide the original manufacturer, series or part number to begin the cross-reference review.
Photos
Clear photos of the mating face, rear termination, markings and installation can help identify the interface.
Drawing
Send 2D / 3D drawings, panel cutouts, PCB footprints, pinouts or interface dimensions.
Datasheet
Product datasheets or specification sheets help confirm electrical, mechanical and environmental performance.
Application Requirements
Share voltage, current, signal type, environment, mounting, cable / PCB interface and special requirements.
Quantity & Project Stage
Tell us whether the requirement is for samples, prototypes, pilot production or ongoing volume production.
Common Replacement Scenarios
We help evaluate a wide range of connector cross-reference and replacement requirements.
Same-Standard Replacement
Evaluate an alternative connector within the same applicable standard or interface family while confirming performance, configuration and availability.
Existing Manufacturer Replacement
Compare an existing manufacturer part number, datasheet or mating interface against technically suitable alternative product directions.
Obsolete / Hard-to-Source Part
Review discontinued, long-lead-time or difficult-to-source connectors for an existing alternative, modified standard product or custom replacement.
Identification by Photo
If the part number is missing, clear photos of the mating face, rear termination, markings and dimensions can help identify the likely connector family.
Different Cable Exit
Keep the required mating interface while evaluating straight, 90-degree or alternative rear-accessory and cable-exit configurations.
Replacement + Cable Assembly
Extend the replacement into a complete cable assembly including contacts, cable, pinout, shielding, accessories, sealing and testing.
Custom Replacement
When no standard alternative fits, the replacement can be evaluated through a modified standard platform or application-specific custom connector solution.
Request a Quote or Technical Support
Submit your connector, cable assembly, fan, motor or interconnect requirements below. You can provide a part number, drawing, photo, specification, application description or existing connector information. If you are not sure which product you need, simply describe your application and technical requirements, and our team will help you identify a suitable solution.
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Comprehensive connector solutions for power, signal, data, and demanding environments.
Explore Product Categories
Circular Connectors
Robust and reliable circular connectors designed for power, signal, and data applications in industrial environments.
Rectangular & Modular Connectors
High-density rectangular and modular connectors designed for industrial equipment, control systems, and complex applications.
Micro & Miniature Connectors
Compact, lightweight connectors designed for space-constrained applications requiring high-density connections.
Harsh Environment & Special Connectors
Sealed and rugged connector solutions designed for extreme environments and special operating conditions.
Contacts & Inserts
Precision-machined contacts and inserts designed for reliable electrical performance and long-term durability.
Cable Harness & Optical Solutions
Customized cable assemblies and optical connection solutions for power, signal, and data transmission.
Fans, Motors & Industrial Products
High-performance fans, motors, and industrial components designed for reliable operation in demanding applications.
Custom Connector Solutions
Tailored connector solutions developed according to your application requirements, specifications, and performance needs.
Series & Interface Families We Can Evaluate
Use the series, standard or interface family below as a starting point for replacement review. Our team evaluates the most relevant SINOCONNECTORS product direction against your existing connector and application requirements.
Replacement evaluation does not automatically confirm interchangeability. Final compatibility should be verified against the complete part number, mating interface, shell / housing dimensions, contact arrangement, keying, mounting, termination, electrical ratings and environmental requirements.
| Series / Interface Family | SINOCONNECTORS Replacement Direction | Type / Architecture | Typical Characteristics | Key Cross-Reference Checks | Typical Applications |
|---|---|---|---|---|---|
|
MIL-DTL-38999 / GJB599-Type
MIL-DTL-38999
GJB599
38999 Series III
|
GJB599 / J599 Series | High-Reliability Circular | Multiple shell sizes, insert arrangements, contact configurations and keying options. |
|
Aerospace, defense and rugged electronic equipment. |
|
J599-Type Circular
J599
Circular
Threaded
|
J599 Series | Threaded Circular | Multiple plug, receptacle, mounting and rear-accessory configurations. |
|
Aerospace, defense, industrial systems. |
|
J599HV-Type
J599HV
High Vibration
|
J599HV Series | High-Vibration Circular | Rugged circular architecture intended for mechanically demanding applications. |
|
Vehicles, aerospace and high-vibration equipment. |
|
JY-Type Circular
JY
Circular Connector
|
JY Series | Circular Electrical | Multiple plug / receptacle forms and contact configurations. |
|
Equipment interconnection and industrial systems. |
|
XY / Compact Circular
XY
XY2
Micro Circular
|
XY / XY2 Series | Compact Circular | Compact shell architecture suitable for space-constrained equipment. |
|
Compact equipment, aerospace and portable systems. |
|
MIL-DTL-5015-Type
MIL-DTL-5015
5015
HMS31
|
HMS31 Series | Heavy-Duty Circular | Traditional threaded circular interface with multiple shell and insert arrangements. |
|
Industrial, military and heavy equipment. |
|
VG95234-Type
VG95234
VG31
|
VG31 Series | Industrial Circular | Rugged circular interface direction for demanding equipment applications. |
|
Industrial equipment and transportation. |
|
MDM / MIL-C-83513-Type
MDM
MIL-C-83513
Micro-D
|
J30J / KJ30J | 1.27 mm Micro Rectangular | Compact high-density rectangular architecture for wire and PCB applications. |
|
Aerospace electronics, instrumentation and compact systems. |
|
J30J-Type Micro Rectangular
J30J
1.27 mm
|
J30J Series | Micro Rectangular | High-density micro rectangular architecture with multiple documented contact counts and mounting styles. |
|
Compact electronics and instrumentation. |
|
Mixed Power + Signal Micro
J30J Mixed
Hybrid Current
|
J30J Mixed-Current Series | Hybrid Micro Rectangular | Mixed contact sizes and current levels in a compact connector package. |
|
Integrated power + signal equipment. |
|
Low / Zero Insertion Force
J30JZ
ZIF
Low Force
|
J30JZ / Low-Force Direction | Low-Force Rectangular | Reduced mating-force architecture for repeated connection and test applications. |
|
Test systems and frequent-mating equipment. |
|
High-Speed Micro Rectangular
HJ30J
KJ30J
High Speed
|
HJ30J / KJ30J Direction | High-Speed Micro | Compact transmission interface for differential and high-speed data applications. |
|
Data systems, avionics and instrumentation. |
|
J30-Type Compact Rectangular
J30
1.27 mm
|
J30 Series | Compact Rectangular | Cost-effective compact rectangular direction for general electronic equipment. |
|
General electronic equipment. |
|
J29-Type Micro Rectangular
J29
Micro Rectangular
|
J29 Series | Compact Micro | Small-form-factor rectangular interface for space-constrained applications. |
|
Instruments and compact electronic systems. |
|
J7245(A)-Type
J7245A
Ultra Miniature
|
J7245(A) Series | Ultra-Miniature Rectangular | Very compact architecture intended for limited installation envelopes. |
|
Space-constrained electronic systems. |
|
ARINC 404-Type
ARINC 404
J177
Rack Connector
|
J177 Series | Modular Rectangular | Modular interface supporting standard and mixed functional contact arrangements. |
|
Avionics racks and equipment bays. |
|
ARINC 600-Type
ARINC 600
MK6
LRU
|
MK6 Series | Rack-and-Panel Modular | Multi-module frame architecture with keying and standard / floating mounting options. |
|
Avionics rack and LRU interfaces. |
|
2.00 mm Board-to-Board
2.00 mm
SYTMM
SMT
|
SYTMM Series | Board-to-Board SMT | Compact single / double-row PCB interconnection architecture. |
|
Communications, power and electronic systems. |
|
POGO 2.54 mm Interface
POGO
2.54 mm
Spring Contact
|
POGO Series | Spring-Contact PCB | Spring-contact architecture for repeatable docking and PCB interface applications. |
|
Docking, test, charging and modular equipment. |
|
Harsh Environment / Special Circular
Waterproof
Subsea
High Temperature
|
Environmental & Special Series / Custom | Special-Purpose Circular | Application-specific sealing, pressure, temperature and material configurations. |
|
Marine, subsea and harsh industrial systems. |
|
Custom Legacy Interface
Obsolete
Legacy
Custom Replacement
|
Custom Connector Solution | Modified / Fully Custom | Engineering route for unusual or obsolete interfaces where no suitable standard product exists. |
|
Legacy equipment, retrofit and special systems. |
How the Review Works
A simple 5-step process to evaluate the replacement direction and confirm the critical compatibility requirements.
Part Number /
Interface Review
We review your existing part number, drawing, photos, datasheet or mating-interface information.
Compatibility
Screening
We compare the key mechanical, contact, electrical, mounting and environmental requirements.
Replacement
Direction
We identify the most suitable standard, modified-standard or custom replacement direction.
Technical
Confirmation
Critical dimensions, mating interface, contact configuration and performance requirements are confirmed.
Quote / Sample /
Project Support
Once the technical direction is confirmed, we can proceed with quotation, sample or project support.
Who Should Prepare What
Providing the right information upfront helps us review your replacement requirement more accurately and efficiently.
For Procurement Teams
- Existing part number and manufacturer
- Target quantity and required delivery timing
- Current sourcing issue or lead-time concern
- Application and end-use environment
- Quality, documentation or qualification requirements
For MRO / Maintenance
- Failed, obsolete or hard-to-source part number
- Clear photos of the existing connector
- Equipment make, model and installation position
- Failure symptoms or operating conditions
- Required replacement timing and quantity
For Engineers
- 2D / 3D drawing and mating-interface dimensions
- Contact arrangement, pinout and termination method
- Voltage, current and transmission requirements
- Environmental, sealing and mechanical requirements
- Applicable standards, testing or qualification requirements
Applications & Industry Solutions
Cable harness, fiber-optic and hybrid interconnect solutions can be engineered around the electrical, mechanical and environmental requirements of demanding equipment and infrastructure applications.
Industrial Automation
Machine cable assemblies, control harnesses, power-and-signal integration and custom connector-to-equipment assemblies.
Rail Transportation
Rugged cable assemblies, equipment interconnects and integrated power-and-signal harnesses for transportation systems.
Telecom & Data Networks
Fiber-optic assemblies, high-speed differential cable systems and shielded data harnesses for communications equipment.
Aerospace & Defense
Equipment harnesses, ground-power assemblies, lightweight control wiring, optical interconnects and high-vibration cable systems.
Energy Storage & EV
High-current battery harnesses, power distribution interconnects, control wiring and high-voltage connections between battery packs, PDU and related equipment.
Marine & Offshore
Water-tight harnesses, corrosion-resistant cable assemblies, subsea systems, towing solutions and optical-electrical hybrid interconnects.
Robotics & Precision Equipment
Compact control and instrumentation harnesses for space-constrained equipment requiring precise routing, signal integrity and high-density connectivity.
Test & Instrumentation
Lightweight measurement harnesses, high-density connectors, traceable labeling and signal-integrity focused wiring for test and instrumentation systems.
Frequently Asked Questions
Common questions about connector cross reference, replacement evaluation, interface compatibility and obsolete-part sourcing.
Can you cross-reference a connector from only a part number?
Yes. A complete manufacturer part number is the best starting point for a cross-reference review. If available, also provide the mating connector number, quantity, application and any existing datasheet or drawing so the interface and performance requirements can be checked more accurately.
Can you identify a connector from a photo?
Photos can help identify the likely connector family or interface. For the best result, provide clear images of the mating face, rear termination, shell or housing, mounting features and any visible markings. Final compatibility should still be confirmed against dimensions and technical requirements.
Can you replace a connector from another manufacturer?
Yes. We can evaluate an existing manufacturer part number, drawing, datasheet or mating interface against suitable SINOCONNECTORS product directions. Final compatibility depends on the interface, dimensions, contact arrangement, keying, mounting, termination and required performance.
Can you replace an obsolete or hard-to-source connector?
Yes. Obsolete, discontinued or long-lead-time connectors can be reviewed for an existing standard alternative, modified standard product, cable-assembly solution or custom replacement depending on the original interface and application requirements.
Can you provide an exact drop-in replacement?
A drop-in replacement may be possible, but it cannot be confirmed from appearance or series name alone. The mating interface, shell or housing dimensions, contact arrangement, keying, mounting, termination and electrical and environmental performance must all be checked before confirming interchangeability.
Can you match an existing PCB footprint?
PCB compatibility can be evaluated when you provide the board drawing, footprint dimensions, pin spacing, mounting-hole layout, board thickness and connector orientation. A similar connector may still require PCB changes if these dimensions do not match.
Can you match my existing mating connector?
Yes. Please provide the mating connector part number or a detailed mating-interface drawing. Keying, contact gender, insert arrangement, coupling geometry and mating depth should be confirmed before a replacement is approved.
Can I keep my existing cable and replace only the connector?
This depends on the existing cable construction and termination. Cable outside diameter, conductor size, shielding, insulation, contact termination method and rear-accessory compatibility should be reviewed before confirming whether the existing cable can be reused.
Can you provide a complete replacement cable assembly?
Yes. Replacement projects can be extended into complete cable assemblies including connectors, contacts, cable, pin assignment, shielding, rear accessories, strain relief, sealing, labeling and electrical testing.
Can you cross-reference waterproof, marine or subsea connectors?
Yes. Waterproof and subsea replacement directions can be evaluated. Please provide water depth or pressure, wet-mate or dry-mate requirement, cable type, sealing method, corrosion conditions and any material or environmental requirements.
Can you cross-reference high-current or high-voltage connectors?
Yes. Please provide the working voltage, continuous and peak current, contact configuration, cable gauge, insulation requirements, operating temperature and environmental conditions. Electrical compatibility should be reviewed together with the mechanical interface.
Can you replace high-speed, RF or fiber-optic connectors?
Selected product architectures support high-speed differential, RF / coaxial, data-bus and optical transmission. For these projects, include the data rate, frequency, impedance, cable or fiber type, shielding and signal-integrity requirements whenever available.
Is a connector compatible if the dimensions look the same?
Not necessarily. Similar dimensions do not confirm compatibility. Two connectors may differ in keying, insert arrangement, contact size, mating depth, electrical rating, material, sealing or qualification. A complete engineering review is recommended before replacement.
What information gives the fastest replacement review?
The fastest review usually includes the full existing part number, manufacturer, mating part number, datasheet or drawing, clear photos, required quantity and application. Electrical, mechanical and environmental requirements are especially important when the original documentation is incomplete.
Can I send multiple part numbers in one request?
Yes. You can send a BOM, spreadsheet or list of multiple part numbers for review. When possible, include the manufacturer, quantity, mating part number and application for each item so the replacement requirements can be evaluated more efficiently.
Who We Are
Your Partner for Industrial Connection Solutions
We specialize in industrial electrical connectors and related components, providing reliable connection solutions for demanding applications. Our products cover circular connectors, rectangular connectors, contacts, accessories, cable assemblies and customized solutions.
Engineering Excellence
Experienced engineers dedicated to solving complex connection challenges.
Customer Partnership
We listen, collaborate, and align our solutions with your goals and timelines.
Quality Commitment
Robust quality systems ensure reliability, traceability, and continual improvement.
Global & Responsive
Serving customers worldwide with agile support and reliable delivery.
Let's Build a Better Connection—Together.
Tell us about your application and our team will provide the right solution.