W rth Elektronik 61031221821: High-Quality Surface Mount Header Connector | Specifications & Features
W rth Elektronik 61031221821: Premium Surface Mount Header Connector for Reliable Board-to-Board Connections
The W rth Elektronik 61031221821 is a top-tier surface mount header connector engineered to deliver exceptional performance in demanding electronic applications. As part of the Connectors and Interconnects family, this 2.54mm pitch female socket header stands out for its robust construction, superior electrical characteristics, and manufacturing-friendly design. Below we explore every aspect of this component to help you understand why it's the perfect solution for your PCB interconnection needs.
Comprehensive Product Specifications
- Manufacturer Part Number: 61031221821
- Manufacturer: W rth Elektronik
- Description: 2.54MM SOCKET HEADER SMT STRAIGHT
- Product Status: Active and in production
- RoHS Compliance: Yes
- Lead-Free: Yes
- Halogen-Free: Yes
Detailed Technical Features
Connector Configuration
This 2-row, 12-position header features a female socket design with 0.100" (2.54mm) pitch both horizontally and vertically. The uniform spacing ensures compatibility with standard PCB layouts and mating connectors.
Advanced Contact System
The contacts boast gold plating on both mating surfaces and posts, providing:
- Excellent corrosion resistance
- Low contact resistance (typically < 20m )
- Superior durability (500+ mating cycles)
- Reliable signal integrity even in harsh environments
Robust Electrical Performance
| Parameter | Specification |
|---|---|
| Current Rating | 3A per contact |
| Voltage Rating | 250V AC/DC |
| Contact Resistance | < 20m initial |
| Insulation Resistance | > 1000M |
| Dielectric Withstanding Voltage | 1000V AC for 1 minute |
Mechanical Durability
The connector features:
- UL94 V-0 rated black insulation material
- Push-pull locking mechanism for secure mating
- Operating temperature range: -40 C to +105 C
- Insulation height: 7.44mm for proper clearance
Manufacturing Advantages
Surface Mount Technology
The SMT design offers significant production benefits:
- Compatible with automated pick-and-place equipment
- Reflow solder process compatible
- Space-saving profile (overall height: 8.5mm)
- Precision-molded housing ensures consistent placement
PCB Layout Considerations
The connector features:
- Recommended pad layout for optimal solder joint formation
- 0.5mm thick, 1.8mm wide solder tails
- Anti-wicking design prevents solder creep
- 4-point contact system for mechanical stability
Industry Applications
The 61031221821 excels in multiple sectors:
Industrial Electronics
- PLC systems
- Motor controllers
- Sensor interfaces
- Power distribution modules
Consumer Electronics
- Smart home devices
- Wearable technology
- Gaming consoles
- Audio/video equipment
Automotive Systems
- Infotainment systems
- ECU connections
- Dashboard electronics
- Lighting control modules
Competitive Advantages
Compared to standard headers, the 61031221821 offers:
- Superior Contact System: Gold plating vs. standard tin plating
- Enhanced Durability: 500+ cycles vs. typical 200 cycles
- Wider Temperature Range: -40 C to +105 C vs. 0 C to +85 C
- Better Safety: UL94 V-0 vs. common HB rating
Design Guidelines
For optimal performance:
- Maintain recommended solder pad dimensions (3.2mm x 1.8mm)
- Use Sn96.5Ag3Cu0.5 solder alloy for best results
- Follow reflow profile with peak temperature of 245 C
- Allow 0.5mm clearance around connector for mating
Purchasing Information
The 61031221821 is available:
- Standard packaging: Tape and reel (1000 pieces/reel)
- Sample quantities available
- Lead time: Typically 2-4 weeks for large orders
- Custom configurations available upon request
Why Choose W rth Elektronik?
W rth Elektronik stands behind this product with:
- 30+ years of connector manufacturing expertise
- ISO 9001 certified production facilities
- Full traceability and quality documentation
- Global technical support network
Conclusion
The W rth Elektronik 61031221821 represents the ideal combination of performance, reliability, and manufacturability for your board-to-board connection needs. Its robust design, excellent electrical characteristics, and compliance with international standards make it the superior choice for demanding applications across multiple industries.
For pricing, samples, or technical support, contact our sales team today. Our connector specialists are ready to help you integrate the 61031221821 into your next design project.