October 23, 2026 Kester 278 Cored Wire Technical Overview
Kester 278 Cored Wire is a halogen-free and halide-free solder wire engineered for high-performance automotive and industrial applications, manufactured by Kester. Formulated with high-reliability Innolot alloy, this cored wire delivers exceptional wetting speed and low spattering performance for demanding under-the-hood electronics assembly.
Key Features of Kester 278 Cored Wire
Engineered to overcome harsh environmental stresses and extreme operating conditions, this cored wire provides significant manufacturing and reliability advantages:
- Innolot Alloy Integration: Features superior creep resistance and tensile strength compared to standard SAC alloys, preventing thermal fatigue in high-vibration environments.
- Zero Halogen & Zero Halide: Conforms strictly to IEC 61249-2-21, JPCA-ES-01, and IPC-410B specifications for halogen-free assembly.
- Very Low Flux Spatter: Keeps circuit board surfaces clean and reduces tooling contamination during drag, manual, and robotic soldering.
- Fast Wetting Performance: Demonstrates wetting speed superior to conventional halogenated materials, minimizing soldering cycle time.
- Clear Non-Tacky Residue: Leaves transparent post-solder residue without requiring cleaning, simplifying automated visual inspection.
- J-STD-004B ROL0 Classification: Formulated for maximum dielectric reliability with low smoke and minimal odor.
Applications & Advanced Reliability
The specialized microstructure of the Innolot alloy withstands harsh thermal cycling and intense vibrational stress common in automotive engine compartment electronics. Its fast spreading capability enables efficient automated drag soldering and robotic point-to-point connections with minimal soldering defects.
Conclusion
In summary, Kester 278 Cored Wire offers high thermal fatigue resistance and halogen-free reliability for automotive assembly. For technical support, quotes, or product inquiries, contact Contact – LORIOT INDUSTRIAL.
Technical Specifications
| Parameter / Property | Specification Details |
|---|---|
| Product Type | Halogen-Free No-Clean Flux-Cored Solder Wire |
| Solder Alloy | Innolot (High-reliability lead-free alloy) |
| J-STD-004B Flux Classification | Type ROL0 |
| Halogen & Halide Content | Halogen-Free & Halide-Free (IEC 61249-2-21, JPCA-ES-01, IPC-410B) |
| Primary Applications | Under-the-hood automotive electronics, high-vibration & high-temperature environments |
| Soldering Process Compatibility | Robotic Soldering, Automated Drag Soldering, Manual Assembly |
| Residue Characteristics | Clear, Non-Tacky, No-Clean required |
| Spatter & Fume Level | Very Low Flux Spatter, Low Smoke & Odor |
