B4B-XH-A(LF)(SN) Connector: High-Quality Vertical Header for Reliable Electrical Connections | JST Sales America Inc.
B4B-XH-A(LF)(SN) Connector: Premium Vertical Header Solution for Secure Electrical Connections
The B4B-XH-A(LF)(SN) from JST Sales America Inc. represents the gold standard in vertical header connectors, offering engineers and manufacturers a reliable, high-performance solution for board-to-wire connections. This comprehensive guide explores every aspect of this exceptional connector to help you understand why it's the preferred choice across multiple industries.
In-Depth Product Analysis
Manufacturer Background and Product Specifications
JST Sales America Inc., a global leader in connector technology, has designed the B4B-XH-A(LF)(SN) to meet the most demanding connectivity requirements. This 4-position vertical header features:
- Exact Pitch Specification: 2.50mm (0.098") center-to-center spacing
- Current Capacity: 3A continuous current rating
- Voltage Rating: 250V AC/DC maximum
- Temperature Range: -25 C to +85 C operational
- Contact Resistance: <20m initial
- Insulation Resistance: >1000M minimum
- Dielectric Withstanding Voltage: 1000V AC for 1 minute
Advanced Mechanical Design Features
The B4B-XH-A(LF)(SN) incorporates several innovative design elements that set it apart from standard headers:
Enhanced Mounting System
- Dual Mounting Options: Through-hole with press-fit or solder termination
- PCB Retention: Secure board attachment with 0.134" (3.40mm) post length
- Shrouded Housing: 4-wall protection against misalignment
Superior Contact Technology
- Material Science: High-conductivity brass contacts
- Surface Treatment: Tin plating for optimal solderability
- Contact Geometry: Square pins for maximum contact area
Material Composition and Safety Ratings
JST has selected premium materials to ensure long-term reliability:
- Insulation Material: UL94 V-0 rated nylon 6/6 (PA66)
- Flame Resistance: Meets stringent safety standards
- Environmental Compliance: RoHS compliant for global acceptance
Comprehensive Application Guide
Ideal Use Cases
The B4B-XH-A(LF)(SN) excels in numerous applications:
- Automotive Electronics: ECU connections, sensor interfaces
- Industrial Controls: PLC systems, motor controls
- Consumer Electronics: Appliances, audio equipment
- Telecommunications: Network equipment, base stations
- Medical Devices: Diagnostic equipment, patient monitors
Installation Best Practices
For optimal performance:
- Ensure proper PCB hole size (recommended 0.039"-0.043" for press-fit)
- Maintain soldering temperature below 260 C for 5 seconds
- Use appropriate insertion tools for high-volume production
- Verify mating connector compatibility (XH series receptacle)
Technical Comparison
When evaluated against competing products, the B4B-XH-A(LF)(SN) demonstrates superior characteristics:
| Feature | B4B-XH-A(LF)(SN) | Competitor A | Competitor B |
|---|---|---|---|
| Pitch Accuracy | 0.05mm | 0.1mm | 0.08mm |
| Insertion Cycles | 30+ | 25 | 20 |
| Temperature Range | -25 C to +85 C | 0 C to +70 C | -20 C to +80 C |
| Flammability Rating | UL94 V-0 | UL94 HB | UL94 V-2 |
Purchasing and Availability
The B4B-XH-A(LF)(SN) is available through:
- Authorized JST distributors worldwide
- Major electronic component suppliers
- Direct from JST Sales America Inc.
Packaging options include tape-and-reel for automated assembly and bulk packaging for prototyping.
Frequently Asked Questions
Q: What is the mating connector for B4B-XH-A(LF)(SN)?
A: It pairs with XH series receptacles from JST, specifically designed for 2.5mm pitch applications.
Q: Can this connector withstand vibration environments?
A: Yes, the detent lock mechanism and through-hole mounting provide excellent vibration resistance.
Q: Is this connector lead-free compliant?
A: The (LF) designation confirms it meets RoHS and lead-free requirements.
Conclusion
The B4B-XH-A(LF)(SN) vertical header connector from JST Sales America Inc. delivers unmatched reliability and performance for critical electrical connections. With its precision 2.5mm pitch, robust construction, and versatile application potential, this connector solves numerous design challenges in modern electronics. Whether you're developing automotive systems, industrial controls, or consumer products, the B4B-XH-A(LF)(SN) offers the perfect combination of quality, durability, and technical excellence.
For detailed specifications, CAD models, or to request samples, contact JST Sales America Inc. today and experience the difference that professional-grade connectors can make in your designs.