Overview of 3M™ Four-Wall Header 3000 Series
The 3M™ Four-Wall Header 3000 Series datasheet provides detailed information about the straight and right-angle latch/ejector headers designed for use in military applications. This product features a 0.100″ x 0.100″ contact spacing with various configuration options including optional ejector latches, polarizing keys, high-temperature insulators, and mounting holes for secure attachment.
Key Features
The header offers numerous design features, such as:
- 3518 & N3518 Polarizing Keys for improved connection stability.
- Optional Ejector Latches for ease of use and secure locking.
- Mounting Holes for header board attachment.
- Polarizing Posts available to prevent misalignment.
- High-temperature Insulator Options making it suitable for no-lead soldering and reflow soldering with paste-in-hole techniques.
Materials and Plating
The header’s insulator is made from Glass Filled Polyester, available in standard PBT and high-temperature PCT options, meeting UL 94V-0 flammability standards. Contact material is a copper alloy with nickel underplating and the option of gold plating in the wiping area, alongside tin-lead or matte tin options available for solder tails.
Electrical Specifications
The datasheet specifies a current rating of 2A (in compliance with EIA 364-70) and an insulation resistance greater than 1×10⁹ Ω at 500 VDC. Withstanding Voltage is rated at 1000 V RMS at sea level.
Environmental and Processing Ratings
The Four-Wall Header operates within a temperature range of -55°C to +105°C. For the high-temperature (PCT) version, it can withstand a maximum process temperature of 260°C as per the J-STD-020C standard and is recognized for Moisture Sensitivity Level (MSL) requirements. The PBT version is suitable for a maximum temperature of 191°C, specifically for solder wave processes only.
Regulatory Compliance
It is important to refer to the Regulatory Information Appendix mentioned in the datasheet for specific chemical compliance information. Additionally, the component is UL E68080 listed.
Contact specifications, detailed dimensions for both straight and right-angle models, and orientation indicators like a triangle are also described within the datasheet, alongside product codes for various models differentiating by the presence of short or long ejector latches.
References:
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