MX 3.0mm Pitch Horizontal Single Row Automotive Connector 5557 2P‑12P (Replaces MOLEX 43650)
Product Highlights
- Direct drop‑in replacement for MOLEX 43650 Micro‑Fit 3.0 single‑row right‑angle header, full mechanical & electrical interoperability with Molex
- 3.0 mm pitch, single row, 2‑12 positions, horizontal right‑angle wire‑to‑board solution
- Automotive‑grade high‑temp housing, glow‑wire capable, RoHS‑REACH compliant
- 8.5 A max per circuit, mixed signal & low‑power power delivery in compact footprint
- Stable stock support, flexible MOQ, cost‑effective second‑sourcing alternative
Technical Specifications
General Mechanical Parameters
| Item |
Specification |
| Pitch |
3.00 mm |
| Position Range |
2 ‑ 12 P, single row |
| Orientation |
Horizontal / Right‑angle |
| Mating Cycles |
≥30 cycles |
| PCB Recommended Thickness |
1.6 mm |
| Mounting Type |
Through‑hole / SMD tape‑and‑reel |
| Housing Color |
Black |
| Locking |
Polarized anti‑misplug shroud, PCB retention peg |
Material & Electrical Characteristics
| Item |
Specification |
| Housing Material |
High‑temp thermoplastic, UL94V‑0 |
| Contact Material |
Brass |
| Contact Plating |
Matte‑tin / selective gold plating optional |
| Rated Current |
Max 8.5 A per pin (depends on wire gauge & temperature derating) |
| Rated Voltage |
600 V AC/DC |
| Contact Resistance |
≤ 15 mΩ |
| Insulation Resistance |
≥ 1000 MΩ |
| Withstand Voltage |
1500 V AC, 1 min |
| Applicable Wire AWG |
20‑30 AWG |
Environmental & Soldering Guide
| Item |
Specification |
| Operating Temperature |
‑40 ℃ ~ +125 ℃ |
| Storage Temperature |
‑45 ℃ ~ +130 ℃ |
| Vibration Resistance |
Meet general automotive harness vibration requirements |
| SMT Reflow Profile |
Peak temp ≤260 ℃, total exposure ≤10 s |
| Through‑hole Soldering |
Wave‑solder max 260 ℃, 5 s dwell time |
| Compliance |
RoHS 2.0, REACH SVHC; Low‑halogen optional |
Product Features
1. 100% mating compatible with MOLEX 43650 series Micro‑Fit 3.0 mating terminals & housings
2. Right‑angle horizontal single‑row structure, saves vertical PCB space
3. High‑temperature resistant thermoplastic housing, glow‑wire qualified for automotive‑grade requirements
4. Polarized shrouded housing prevents mis‑mating; built‑in PCB locating peg for precise assembly
5. Brass contact with tin/gold plating options, low contact resistance, anti‑vibration contact retention
6. Support through‑hole / SMT mounting; tape‑and‑reel packing available for auto‑insertion
7. RoHS, REACH SVHC compliant; low‑halogen material option available upon request
Product Advantages
1. Drop‑in alternative for MOLEX 43650, eliminates redesign cost for dual‑sourcing
2. Strict dimensional tolerance control, stable normal‑force, avoids micro‑vibration disconnection risk
3. Automotive‑qualified raw‑material batch traceability, suitable for high‑reliability projects
4. Flexible options: tin/gold plating, through‑hole / SMT, tape‑reel / tray packing
5. Short lead‑time for standard positions, supports small‑batch prototype & mass‑volume orders
6. Full‑set supporting terminals & crimp housings available as one‑stop harness solution
Application
- Automotive electronics: interior controllers, lighting modules, sensor harnesses, BMS auxiliary signal links
- Industrial automation: sensor modules, small servo drives, PLC peripheral signal interfaces
- New‑energy equipment: small power‑supply units, battery management auxiliary wiring
- Medical equipment (non‑implant): signal & low‑power internal connections
- Smart home & consumer hardware: power‑supply board‑to‑wire interconnection
Customer Selection Guide
1. Confirm position count: 2‑12P, match original MOLEX 43650 position number
2. Select mounting style: Through‑hole for strong mechanical hold; SMT tape‑reel for high‑speed SMT assembly
3. Plating selection: Tin‑plating for general‑cost signal circuits; gold‑plating for high‑vibration / long‑life‑cycle scenarios
4. Check wire gauge: 20‑30 AWG; actual current must apply temperature‑derating curve
5. Always mate our housing with matched‑spec terminals; mixing different‑vendor terminals may degrade contact performance
6. For automotive projects: request material certificate, CPK report, compliance document 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 obey ISO9001, IQC, OQC, IPQC, QA occupy 10% of our Quality department. 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 make 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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