BOURNS SinglFuse SMD High Current Fuse, 1A, 63V DC

The BOURNS SF-0603SPA100R-2 is an automotive-grade surface-mount fuse from the SinglFuse™ series, engineered for reliable overcurrent protection in modern, compact circuits. Its advanced metal foil chip design delivers a high current rating and robust inrush withstand capability, making it a dependable choice for demanding electronic applications.

With a compact EIA 0603 (1608 metric) footprint, this fuse is perfectly suited for space-constrained PCB designs. It offers precise protection with a rated current of 1.0A and can handle high interrupting currents, providing essential safety for sensitive components.

Key Specifications & Performance

• Rated Current: 1.0 A
• Rated Voltage: 63 VDC / 50 VDC
• Typical Resistance: 0.115 Ω (measured at ≤10% of rated current, 25 °C)
• High Interrupting Rating: 50 A at both 50 VDC and 63 VDC
• Fusing Characteristics: Opens within 1–120 seconds at 200% of rated current
• Clearing Time: At 100% current, it will hold for ≥4 hours; at 200% current, it clears in 1–120 seconds
• Typical I²t: 0.059 A²s (at 0.001 s pre-arcing time)

This SinglFuse component is an ideal solution for automotive electronics, power supplies, and any application where reliable, high-performance circuit protection is critical in a minimal footprint.