The 437A Series AECQ-Qualified fuses are specifically tested to cater to secondary circuit protection needs of compact auto-electronics applications.

The general design ensures excellent temperature stability and performance reliability. In addition to this, the high I²t values typical of the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.

Applications

• Li-ion Battery
• LED Head-Lights
• Automotive Navigation System
• TFT Display
• Battery Management System (BMS)
• Clusters

Features/Benifits

• Operating Temperature from -55ºC to +150ºC
• 100% Lead-free, Halogen-Free and RoHS compliant
• Fast response to faulty current to ensure over-current protection for sensitive electronic components
• AEC-Q200 Qualified
• Recognized to UL/CSA/NMX 248-1 and UL/CSA/NMX 248-14
• Conforms to EN/IEC 60127-1 and EN/IEC 60127-7
• Conforms to the Low Voltage Directive (LVD)

Documents and Downloads

Document	File Type	File Size	Download
437A Series Datasheet	PDF	512 KB