100% Drop-in JST & Molex Connector Alternatives
- Save 30%-50% on BOM Costs: Direct factory manufacturing with zero distributor markups
- Cut Lead Times to 2-3 Weeks: Bypass 16-24 weeks factory allocation backorders
- Pin-to-Pin Compatibility: Identical pitch, PCB solder footprint, latch retention & contact resistance
- Free Engineering Samples: 5-10 pcs available with full dimensional reports for test evaluation
INTEGRATED MANUFACTURING CAPABILITIES
Vertically Integrated Manufacturing: Precision Tooling, Stamping, Molding & Assembly
From precision mold design and high-speed terminal stamping to automated assembly, Konnra controls the entire manufacturing chain under one roof to guarantee 100% pin-to-pin consistency, short lead times, and direct-factory pricing.
Integrated Production & Workshop Capabilities
Konnra has established dedicated in-house departments for mold tooling, high-speed stamping, injection molding, connector assembly, and wire harness manufacturing.
1. Precision Injection
2. High-Speed Stamping
3. Connector Assembly
4. Wire Harness Assembly
5. Mold Tooling Dev
6. 100% CCD Inspection
7. Smart Warehouse
8. Quality Control
20+ Years Connector & Harness R&D
5.6% Annual Revenue in R&D
50+ Technical Patents
With over 20 years of technical expertise in precision connectors and cable assemblies, Konnra invests 5.6% of annual turnover into cutting-edge R&D, holding more than 50 patents. Our senior FAE engineering team supports global OEM customers with custom design iteration and DFM optimization.
Engineering DFM & Development Flow
Ansys CAE Stress & Contact Force Simulation
Testing Capability for Reliable Performance
The CNAS laboratory with heavy investment is only designed for you to produce more stable and reliable products.
Testing Capability for Reliable Performance
Konnra operates an in-house laboratory accredited by CNAS. Relevant testing is performed according to product specifications, application requirements and customer-defined standards.
- Continuity and wiring sequence verification
- Insulation and withstand voltage testing
- Terminal pull force and crimping inspection
CNAS Laboratory
It is equipped with more than 45 sets of precision testing equipment to ensure mechanical performance, electrical performance, environmental simulation, environmental testing, etc., which can provide material selection, performance testing and verification needs for terminal products in various industries; measuring equipment regularly conducts system analysis to ensure equipment accuracy and deviation, and can quickly provide various data support for product design, R&D process, and production process control.
Fully intelligent visual CCD inspection
KONNRA Connectors has achieved 95% full intelligent visual CCD inspection coverage, using imported Mitsubishi Panasonic PLC control systems, FA25-35mm optical lenses, 5-megapixel cameras, and visual inspection software.
Extremely fast delivery capability
Three Major Production Bases, Extremely Fast Delivery
MANUFACTURING INFRASTRUCTURE
Manufacturing Capacity Built for Long-Term Programs
Established in 2004, Konnra has three manufacturing bases supporting stamping, molding, wire processing, assembly and testing.
- Established in 2004
- Three manufacturing bases
- Prototype and mass production support
INDUSTRIES WE SERVE
Connector Solutions for Demanding Applications
Hot sales：KR1507、KR2017、KR2021、KR2022、KR2023、KR2026、KR2203、ST2H
- Our company continuously optimizes product performance to meet industry demands. Its products have obtained international mainstream certifications such as LV214 and US-CAR, and feature excellent properties including vibration resistance and high-temperature resistance. They accurately meet the development needs of automotive electronics for intelligence and connectivity, providing safe and reliable connector solutions for the new energy vehicle sector
Application Fields: Automotive headlights, license plate lights, vanity mirror lights, taillights, lighting lamps, ambient lights, grille lights, on-board devices, door lights, trunk lights, ECU (Electronic Control Unit), BMS (Battery Management System), etc.
Hot sales：KR1506、KR2004、KR2005、KR2012、KR2027、KR3000、QK000005，KRQK001001
- Renewable energy systems often operate in harsh environments such as high temperatures, low temperatures, and high humidity to adapt to complex and variable application conditions. Konnra energy storage connectors feature excellent weather resistance, providing safe, stable, and efficient power transmission solutions for energy storage systems and supporting the intelligent development of energy storage and management.
Application Fields: Outdoor power supplies, energy storage equipment, energy storage cabinets, portable energy storage power supplies, mobile power supplies, etc.
Hot sales：KR1000、KR1259、KR1507、KR2017、KR2023、KR2027、KR2557、KR3967
- As the power tool industry moves toward higher efficiency and smarter operations, Konnra Connectors continues to deepen its expertise in power tool connection technology. Addressing the rigorous requirements of different application scenarios, we constantly optimize product performance and reliability. Our connector products have obtained authoritative international certifications such as UL, and feature core properties including high current-carrying capacity and impact resistance. They accurately meet the diverse needs of power tools in industrial, household, and professional fields, providing safe, stable, and efficient electrical connection solutions for global users.
Application Fields: Smart lawn mowers, pool cleaning robots, floor sweepers, snow blowers, floor scrubbers, etc.
Hot sales：KR0800、KR0803、KR1000、KR1200、KR1201、KR1252、KR1253、KR2001
- With the rapid development of smart healthcare and precision diagnosis and treatment technologies, medical equipment has set more stringent standards for connectors in terms of safety, stability, and anti-interference performance. Konnra Connectors provide safe and reliable connection solutions for critical equipment such as medical imaging devices, life monitoring equipment, and surgical robots, supporting medical technology in safeguarding life and health.
Application Fields: Blood glucose meters, detectors, color Doppler ultrasound machines, CT scanners, ventilators, monitors, etc.
Hot sales：KR1256、KR1259、KR2516、KR2548、KR4200、KRQK000015、Circular connectors
With the in-depth advancement of Industry 4.0 and smart manufacturing, industrial equipment has put forward more stringent requirements for connectors in terms of reliability, durability, and environmental adaptability. Konnra industrial-grade connectors feature excellent vibration resistance, dustproof and waterproof performance, and corrosion resistance, providing stable and efficient electrical connection support for industrial automation, robots, and heavy machinery.
Application Fields: Cooking robots, handling robots, 3D printers, robot solutions, etc.
Hot sales：KR1005、KR1250、KR1253、KR1500、KR1501、KR2001、KR2501、KR2502
- With the rapid iteration of smart terminal devices, consumer electronics have higher precision requirements for connectors. Continuous breakthroughs have been made in aspects such as slimness & lightness, high-speed transmission, and durability to meet users’ demands for high-performance electronic products. Konnra Connectors provide stable and reliable connection solutions for smartphones, tablets, and wearable devices.
Application Fields: Robot vacuum cleaners, smart door locks, drones, projectors, etc.
Haven’t found what you are looking for?
success cases
Win-Win Cooperation Adhering to the business philosophy of “Customer First, Win-Win Cooperation”, we are committed to providing quality services to global clients. Our cooperative customers now span the globe, including renowned enterprises like BYD, Volkswagen and DJI, with business covering automotive, home appliance and other industries.
- Breakthroughs in Material Technology Bottlenecks & Scaled Investment: Low Cost, Stable Performance
- The connector can be used in coastal and cold areas to solve the pain point of easy breakage.
- The monthly output reaches 30KK+
- To meet the customer’s unique application scenarios, standard parts cannot be replaced, requiring technology co-creation to reduce risk.
- During the collaboration, both parties closely aligned their development efforts to ensure smooth project rollout.
- Provide the customer with a forward-looking plan for cost reduction in the next phase, supporting their continued growth.
CONFIDENTIAL PROJECT SUPPORT
Trusted by Customers with Demanding Quality Requirements
Some customer and project information is kept confidential under non-disclosure agreements. Relevant supplier qualifications, quality documents and audit materials can be provided according to project requirements
- Confidential project handling
- Controlled manufacturing processes
- Quality documentation and audit support
Our Happy Partners
FREQUENTLY ASKED QUESTIONS
Questions About JST & Molex Connector Alternatives
Yes. We accept 2D/3D CAD files (DWG, DXF, STEP, IGS, PDF) or physical samples. Our FAE engineering team conducts a thorough DFM review within 24 hours, evaluating mechanical dimensions, contact resistance, mating retention, and material flammability.
Yes. Konnra operates an in-house laboratory accredited by CNAS. We perform 100% computerized continuity testing, terminal pull-off force, contact resistance (≤10mΩ), salt spray corrosion, temperature cycling, and UL94V-0 flammability tests.
Yes. We support agile prototyping (5-10 pcs evaluation samples dispatched in 48-72 hours) up to high-volume mass production across our 3 manufacturing bases, backed by over 500+ applicators and in-house tooling capabilities.
Konnra provides vertically integrated in-house manufacturing, including high-speed precision stamping, plastic injection molding (PA66, LCP, PBT), automated pin insertion, wire harness processing, terminal crimping, and automated visual CCD inspection.
Have More Technical Questions or Need Custom Tooling?
Our engineering team provides 24-hour FAE support, pin-to-pin verification reports, and CAD drawings.
Customer Success Stories
Trusted by industry leaders worldwide
“Konnra has been our trusted connector supplier for 5 years. Their KR2017 series perfectly replaced our previous JST connectors with 40% cost savings and faster delivery.”
Michael Schmidt
Supply Chain Director
AutomotiveTech GmbH, Germany
“The 45-day sample development cycle is impressive. Konnra’s technical team worked closely with us to customize connectors for our robotic systems.”
David Chen
Engineering Manager
Industrial Systems Inc., USA
“We switched to Konnra for medical device connectors. Their ISO13485 certification and consistent quality give us confidence in critical applications.”
Kenji Tanaka
Procurement Manager
MediCare Solutions, Japan
REQUEST A PROJECT QUOTE
Get competitive pricing for connector alternatives and custom solutions
Need JST / Molex Cross-Reference Quotes or Free Samples?
Send us your target part numbers, sample drawings, or BOM list. Our engineering team will review your specifications and provide factory-direct cross-matching within 24 hours.
Project information will be used only for quotation and technical evaluation.
✓ Free evaluation samples available for bench testing
✓ One-on-one technical support from senior FAEs
✓ 24-hour factory quotation & BOM cross-matching
Download 2024-2025 Comprehensive Connector Catalog & Engineering Specs
Includes complete dimensional drawings, PCB footprints, electrical ratings & pinout specs for all JST/Molex equivalent series (28.7MB PDF). Need a single 3D STEP model? Request from Engineering Team →
JST Connector Alternatives
KONNRA continues to innovate and introduce JST Alternatives products to meet the ever-changing needs of the market.
Molex Connector Alternatives
KONNRA continues to innovate and introduce molex Alternatives products to meet the ever-changing needs of the market.
