LITTELFUSE 229P/230P Slo-Blo fuses are designed for reliable overcurrent protection in a variety of applications, particularly within the telecom and industrial sectors. Available in both cartridge and axial lead configurations, these fuses offer a compact form factor while delivering robust performance. They are characterized by their ability to withstand high current, short-duration pulses, and comply with stringent industry standards such as UL 1459. The axial leaded versions are board washable, enhancing their suitability for modern electronic assemblies. The indicating Slo-Blo fuse variant provides a visual indication of an open circuit, simplifying troubleshooting and improving system reliability. Operating within a temperature range of -55°C to 125°C, these fuses are built to withstand harsh environmental conditions.
Ampere Opening Rating Time: % of Ampere Opening Raitng Time
Agency Approvals: Listed by Underwriters Laboratories and Certified by CSA through 3.5 amperes. Recognized under the Components Program of Underwriters Laboratories from 4 through 7 amperes. Approved by METI from 1 through 7 amperes.
Interrupting Ratings: 0.25–3.5A 10,000 amperes at 125VAC; 4–7A 400 amperes at 125VAC; 0.25–1A 35 amperes at 250VAC; 1.25–3.5A 100 amperes at 250VAC
Packaging Options: 230P Series available on Tape and Reel per EIA-296; 229P and 230P series available in bulk packaging