MX3.0 Metal Double Row Buckle Straight Pin Header 3.0mm Pitch 180 Degree 43045 Small 5557 Connector Power PCB Screw Connectors
Product Highlights
- UL94V-0 flame-retardant & Halogen-Free housing; meets industrial & home appliance safety requirements
- Reinforced metal locking buckle design. Anti-unmating; prevents accidental disconnection under heavy vibration for industrial & automotive harsh environments
- Complete system solution: matched housing + crimp terminals available, one-stop sourcing
- Dual row 3.0mm pitch, 180° straight through-hole pin header, power & signal mixed use
- RoHS & REACH compliant
Technical Specifications
| Category |
Item |
Parameter |
| Electrical Performance |
Rated Voltage |
600V AC/DC |
| Rated Current |
Up to 8.5A per pin |
| Contact Resistance |
≤20mΩ |
| Insulation Resistance |
≥1000MΩ |
| Withstand Voltage |
1500V AC, 1min |
| Mechanical Performance |
Mating/Unmating Cycles |
Min 30 cycles |
| Terminal Retention Force |
≥24.5N |
| Anti-vibration |
Pass industrial random vibration test, no intermittent opening |
| Material & Plating |
Housing |
PA66, UL94V-0, Halogen-Free, Black |
| Pin / Terminal Material |
Copper Alloy |
| Plating |
Bright tin plating (Gold plating optional for high-reliability version) |
| Environmental Spec |
Operating Temp |
-40℃ ~ +125℃ |
|
Storage Temp |
-45℃ ~ +130℃ |
| Soldering Guide |
Wave Soldering |
Peak 260℃, max 5s |
| Hand Soldering |
350℃, ≤5s per pin |
| Note |
Avoid repeated high-temperature soldering to prevent plastic deformation |
Cross Reference / Alternative Replacement
Direct drop-in replacement for Molex Micro-Fit 3.0 43045 series. Compatible mating housing & terminals match 43020 / 43030 series. Also works as a cost-effective substitute for the 5557 series in many power connection projects.
Engineers can reuse existing PCB footprint & harness tooling, no major redesign required.
Product Advantages
- Anti-vibration metal latch: Solves the customer pain point of connectors popping loose under vibration in automation/vehicle devices
- Halogen-free UL94V-0 plastic, safer for home appliance & industrial control
- Full set in-house production: pin header, housing, crimp terminals, stable supply chain
- Short lead time for samples & mass production, flexible pin count customization
- Strict 100% inspection before shipment, low contact failure rate
Application
✅ Industrial automation, servo & power control modules
✅ Home appliances, power supply & charging units
✅ Automotive interior power & signal connections
✅ Medical equipment, telecom & battery management systems
✅ PCB wire-to-board power connection
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: Support free samples / Fast sample delivery. Custom service: Custom pin count, plating thickness, cable harness assembly, special packaging & marking.
Customer Selection Guide
- Confirm pin count: 22P ~ 216P standard in stock; contact us for longer circuits
- Current derating: Reduce rated current when multiple pins are loaded together under high ambient temperature
- Vibration environment: Must use metal latch version to prevent unexpected unmating
- Material selection: Default UL94V0 halogen-free; specify gold plating if long mating cycle required
- PCB design: Follow standard 43045 footprint for direct replacement; check soldering temperature profile before mass production
FAQ
1. Q: Do you have a catalogue? Can you send me the catalogue to check all your products?
A: Yes, you can contact us online or send an Email to get the catalogue.
2. Q: I can't find the product in your catalogue. Can you make this product for me?
A: Our catalogue shows most of our products, but not all. Just let us know what product you need, and how many you want. If we do not have it, we can also design and make a new mould to produce it. For your reference, making an ordinary mould will take about35-45 days.
3. Q: Can you provide a sample? Are these samples free?
A: Yes, we provide 5-10 pcs of connector free samples for testing. But you have to pay for the shipping cost
4. Q: What about your delivery time?
A: Stock goods are delivered within 1 day; customized goods are delivered within 5-7days
5. Q: How to ship my order?
A: For small packages, send them by Express, such as DHL, FedEx, UPS, TNT, EMS. That's Door-to-Door service. For big packages, we can send them by Air or by sea. We use standard export cartons. We are responsible for any product damage caused during delivery.
6. Q: What kind of payment do you accept? Can I pay RMB?
A: Weaccept T/T(Wire transfer), Western Union, and PayPal. Please make sure that we can receive the same amount as the Invoice. And you can pay in RMB. No problem.
7. Q: How about your company's quality control
A: Strictly follow ISO9001. IQC, OQC, IPQC, and QA account for 10% of our staff. All of our products will be tested by CCD.
8. Q: I need your price list of all your products. Do you have a price list?
A: We do not have a price list of all of our products. Because we have so many items, it's impossible to list all of their prices on a list, and the prices are always changing because of the material cost and quantity. And you can give us a list of all of the items you need; we will confirm carefully one by one and give you a specification and price list
9. Q: Can you make customized products and customized packing?
A: Yes. We have made a lot of customized
products for our customers formerly (mainly wire harnesses). About customized packing, there is no problem for we put your logo or other information on the package. Just have to point out that it incurs additional cost.
10. Q: What certificates do you have?
A: CE, CQC, UL, ISO9001, ISO14001, IATF16949, ISO45001, QC080000, etc.
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