5557/5569 4.2mm Pitch Double Row Connectors with Buckle Pin Horizontal Plug Board Connector Wire-to-Board Connector
Product Highlights
- Pitch: 4.2mm, Double Row, Horizontal Type with Buckle Pin, Wire-to-Board
- UL94V-0 Flame Retardant Housing, Halogen-Free for industrial & home appliance use
- Anti-drop buckle design: Prevents accidental un-mating under strong vibration (industrial & vehicle environment)
- Complete supporting set: Matching housing + terminals available
- Stable electrical contact, easy assembly & crimp operation
Technical Specifications
| Item |
Details |
| Electrical Performance |
Rated Current: 9A max per circuit
Rated Voltage: 250V AC
Contact Resistance: ≤10mΩ
Insulation Resistance: ≥1000MΩ
Withstand Voltage: 1500V AC/min |
| Mechanical Performance |
Pitch: 4.2mm, Double Row
Insertion Direction: Horizontal plug
Mating Cycles: ≥500 times
Buckle: Locking buckle, anti-unmating under vibration |
| Material & Plating |
Housing: PBT UL94V-0, Halogen-Free
Terminal: Copper alloy
Plating: Tin-plated (gold plating optional) |
| Environmental Performance |
Operating Temp: -40℃ ~ +105℃
RoHS Compliant |
| Soldering Guide |
Reflow soldering: Max 260℃, 10s max
Wave soldering: Max 250℃ |
Cross Reference / Alternative Replacement
Compatible alternative for JST / Molex / TE AMP series:
- JST: EH series 4.2mm double row
- Molex: 3901 series 4.2mm double row wire-to-board
- TE AMP: 4.2mm pitch double row buckle wire-to-board connectors
Note: Check pin count & mechanical dimension before drop-in replacement.
Product Features
- Built-in locking buckle, effective anti-unmating against vibration & shock
- Halogen-free UL94V-0 PBT housing, high flame resistance
- Horizontal board mount, saves PCB space
- Separate housing and crimp terminals, flexible wire harness assembly
- Stable tin-plated terminals, low contact resistance
Product Advantages
- Vibration resistant locking buckle, solves loose connection risk in harsh industrial/vehicle environment
- High safety material: UL94V0 + Halogen-Free, meets strict appliance & industrial standards
- Full set supply: housing + terminals in stock, no need to source parts separately
- Strict dimension control, good interchangeability with famous international brands
- Cost-effective alternative without sacrificing reliability
Application
- Industrial control equipment
- Home appliances (refrigerator, washing machine, oven)
- Automotive auxiliary wiring harness
- Power supply & UPS
- LED driver modules
- Instrument & measuring 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 PIN & current load requirement
- Verify working temperature & vibration level of your equipment
- Check PCB footprint (horizontal plug)
- Confirm material requirement: Halogen-free / flame rating
- Cross-check with original brand part number for replacement
- Request free samples for pre-test before mass project adoption
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 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 prices, and prices change based on material costs 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; we can 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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