Small 5557 Vertical MX3.0mm Pitch Double Row Connector Replaces MOLEX 43045, 4P~24P Vertical SMT PCB Header
Small 5557 Vertical MX3.0mm Pitch Double Row 4P-24P Automotive Connector Replaces MOLEX43045 4P-24P VERTICAL STICKER FOR PCB
Product Highlights
3.0mm pitch double row vertical PCB connector, automotive & industrial grade, drop-in replacement for Molex 43045 series
- Pitch: 3.0mm, double-row vertical SMT sticker type, range: 4P to 24P
- UL94V-0 flame-retardant housing, Halogen-Free, meets industrial & automotive low-smoke requirements
- Optimized locking snap design: anti-vibration, prevents accidental un-mating under harsh shock & vibration
- Complete mating set: supplies housing + crimp terminals together for one-stop sourcing
- Vertical SMT mounting, compact footprint, saves PCB board space
Technical Specifications
| Item | Details |
|---|---|
| Electrical Performance | Rated Current: 8A per circuit
|
| Mechanical Performance | Pitch: 3.0mm, Double Row, Vertical SMT
|
| Material & Plating | Housing: PBT, UL94V-0, Halogen-Free
|
| Environmental Spec | Operating Temp: -40℃ ~ +105℃
|
| Soldering Guide | SMT reflow soldering compatible
|
Cross Reference / Alternative Replacement
Direct drop-in alternative for internationally famous brands, same footprint & pinout:
- MOLEX: 43045 series (4P~24P vertical header)
- JST: equivalent 3.0mm double row vertical series
- AMP/TE: compatible 3.0mm pitch vertical double row PCB connectors
Note: Verify pin assignment & mechanical dimension before mass production.
Product Advantages
- Anti-vibration snap lock: solves accidental un-mating risk in vibrating industrial / vehicle environment
- Halogen-free + UL94V-0 plastic: meets fire safety & environmental regulation
- Full set supply: housing + terminals, no separate sourcing hassle
- Same PCB footprint as Molex43045, direct replacement without redesigning the PCB
- Strict dimension control, stable SMT yield for mass assembly
Application
✅ Automotive electronics: car control modules, lighting, sensor wiring
✅ Industrial equipment: PLC, servo drives, industrial controllers
✅ Home appliances: high-power household control boards
✅ Power supply, battery management system, medical & communication equipment
Packaging Method
- Standard: Anti-static bag packing
- Optional: White / Neutral carton box packing. Custom packing label & barcodes available upon request.
Payment Method
EXW, FOB, CIF, CPT, T/T, L/C available
Lead Time
- Samples: 3 working days
- Mass order: 1–2 weeks
Factory Certificate & Custom Service
- Certifications: UL, RoHS, REACH, ISO9001
- MOQ: Low MOQ for standard items
- Sample Policy: Free samples available / Fast sample delivery. Custom service: Custom pin count, plating thickness, cable harness assembly, special packaging & marking.
Customer Selection Guide
- Confirm pole count: select 4P~24P based on your circuit requirement
- Working environment: For vibration-heavy automotive/industrial use, this vertical anti-unmating version is preferred
- Temperature check: Ensure operating temperature is within -40℃~+105℃
- Plating selection: Tin plating for general use; gold flash for high-reliability signal applications
- Prototype suggestion: Test free samples before mass project validation
- Compatibility: Compare dimensions and pin definitions when replacing Molex/JST/TE parts
FAQ
1. Q: Do you have a catalogue? Can you send me the catalogue to check all your products?
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.







