Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Connector Housing |
|
Alternative Model |
DF57H-4S-1.2C |
|
Pitch |
1.20 mm (0.047 in) |
|
Circuit Count |
4 |
|
Configuration |
Single Row |
|
Locking Type |
Friction Lock |
|
Rated Current |
2A AC/DC |
|
Rated Voltage |
50V DC |
|
Operating Temperature |
-40°C to +105°C |
|
Contact Resistance |
≤20 mΩ |
|
Insulation Resistance |
≥100 MΩ |
|
Withstanding Voltage |
500V AC/minute |
|
Housing Material |
PA66, UL 94V-0 |
|
Housing Color |
White |
|
Terminal Material |
Phosphor Copper |
|
Terminal Plating |
Tin Plating |
DF57 Series Cross-Reference & Equivalent Models
Connector Configuration
The DF57H-4S-1.2C alternative is a compact 1.20 mm pitch, 4-circuit, single-row connector housing with a friction-lock structure.
Housing Options
• 2, 3, 4, 5 and 6 circuit configurations
• Single-row construction
• Friction-lock connection structure
• White and black housing options within the compatible series
• PA66 UL 94V-0 housing material
Terminal Options
• Compatible crimp terminals are available for the 1.20 mm pitch connector series.
• Compatible terminal models include: DF57-2628SCF(41)/DF57-2830SCF/DF57-3234SCF equivalent
• Terminal surfaces are tin-plated.
• Terminal selection should be matched to: Required conductor size, crimping process and assembly configuration
Model Selection & Customization Options
When replacing the DF57H-4S-1.2C or integrating it into a custom cable harness, model evaluation should be based on your specific mechanical, electrical, and sourcing requirements:
Core Compatibility Specifications
• Pitch & Rows: 1.20mm pitch, ultra-low profile single-row design.
• Locking Mechanism: Friction Lock structure for compact mating retention.
• Electrical & Thermal: 2.5A Current Rating, 50V AC/DC, operating range -35°C to +85°C.
Available Configuration & Sourcing Options
• Circuit Options: 2 to 6 positions (4-circuit configuration for DF57H-4S-1.2C direct replacement).
• Housing Options: Standard natural (white) or black LCP UL94V-0 insulation.
• Supply Scope: Available as standalone housings, matching crimp terminals, or 100% pre-assembled custom cable harnesses (AWG #28 to #34).
Sample & Engineering Verification
Free engineering samples available for dimensional checking, PCB footprint validation, and mating tests before volume production.
Packaging & Logistics
Packaging
Connector components are packed in protective PE bags and export cartons; crimp terminals can be supplied in reel packaging where applicable.
MOQ
1,000 pcs per model for standard orders; samples are available for evaluation.
Lead Time
7–15 working days for standard orders; larger quantities or special requirements may require additional time.
Shipping & Terms
Express, air and sea freight are available, with FOB, CIF and DDP terms supported.
FAQ
Q: How do I confirm whether this alternative is suitable for my existing connector assembly?
A: Provide the original connector part number, mating connector information, assembly drawing or product photos. Our engineering team can review the available information and identify the closest corresponding configuration for further evaluation.
Q: What should I do if the original connector has already been approved in my product?
A: For an approved design, the alternative should normally go through your internal component-change or second-source qualification process. We recommend completing sample testing and documenting the replacement before updating the approved BOM.
Q: Can you provide technical drawings for engineering review?
A: Technical drawings and relevant product documentation can be provided when available. Buyers can use them to compare critical dimensions, interfaces and assembly requirements with the existing component before qualification.
Q: Can you support second-source qualification for ongoing production?
A: Yes. The connector can be evaluated as a second-source option for projects that require supply diversification. Qualification can be based on the buyer's existing engineering, quality and procurement requirements.
Q: How can I maintain consistency between samples and mass-production parts?
A: The approved sample specification should be used as the production reference. Buyers can define critical dimensions, materials, appearance requirements and inspection criteria in advance to establish consistent acceptance standards for subsequent batches.
Q: Can you support recurring or scheduled orders for production programs?
A: Yes. Recurring supply arrangements can be discussed for projects with ongoing demand. Forecasts, release schedules and required safety-stock arrangements can be evaluated according to the customer's purchasing plan.
Q: How do you handle quality issues found after delivery?
A: Quality claims can be investigated against the applicable batch and agreed inspection criteria. Buyers should provide the affected lot information and failure details so that the issue can be traced and evaluated.
Q: Can you provide batch traceability for connector components?
A: Batch-level traceability can be arranged according to the agreed production and packaging requirements. This is particularly useful for customers managing controlled BOMs, incoming inspection and production records.
Q: Can third-party inspection be arranged before shipment?
A: Third-party inspection can be considered when required by the buyer. Inspection scope and acceptance criteria should be agreed before production or shipment so that the inspection is aligned with the purchasing specification.
Q: What is the recommended process for switching from the original connector to an alternative supplier?
A: A practical qualification process is to identify the corresponding model, review the technical documentation, obtain samples, test the connector in the actual assembly, complete internal approval, and then proceed with a controlled initial production order before regular supply.
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