FUSEHOLDER SELECTION Fuseholder Selection Guide DO W Lit N te LO lfu A se D .co C m AT /c A at LO alo G gs S A guide to selecting Littelfuse Fuseholder components for electronic applications.

FUSEHOLDER SELECTION GUIDE www.littelfuse.com/fuseholders Fuse Holder Type In- Line Fuse Holders TH= Thru-Hole Solder SM= Surface Mount Solder ST= Screw Terminal CT= Wire Connector Terminal RS= Rivet/Screw Hole Wire Connector Terminals Panel Mount Fuse Enclosure 150274 4.5x14.5 mm (2AG) Circuit Board Mount Fuse Enclosure Fuse Blocks Fuse Clips Fuse Series Wire Fuse Type Circuit Connection Method TH 254101 TH 111501 TH 254121 SM 111505 286377 Flip Top 225 229 245001 Solder QC 245002 NEMA QC CT Other 254 Series TH 111506 04450001 / 00300210 345 Series Int. Shock-Safe (old) 3452 Series Int. Shock-Safe...

4.5mm x 14.5mm (2AG) Size Fuse Series and Holder Options Lead Free 250 / 125 35 - 500 • • • • • • • 250 / 125 35 - 400 • • • • • • • CQC CCC K PSE Semko Asia BSI VDE CE Europe QPL CSA UR Americas TUV Operating Temperature Range UL Very Fast Acting Fast Acting Interrupting Rating at Max Voltage Rating * (Amps) 0.1 - 10 • • Max. Voltage Rating * (Volts) RoHS Compliant 225 230 Agency Approvals * Device Range * (Operating Current Options in Amps) 0.25 - 7 Medium Acting Fuse Series Name Time Lag (Slo-Blo®) Fuse Options Holder Options Circuit Connection Method Wire Wire Connector Terminals Fuse Holder...

6.3mm X 32mm (3AB / 3AG) Size Fuse Series and Holder Options 314 • 35 - 300 • • • • • • • • 250 / 125 / 32 35 - 300 • • • • • • • • 250 35 - 1000 • • • • • • • • 1 - 30 250 / 65 100 - 1000 • • • • • 0.01 - 30 250 / 125 100 - 600 • • • • • • • • -55°C to +125°C CQC CCC K PSE Asia Semko BSI TUV CE Europe QPL Americas VDE Operating Temperature Range CSA Max. Voltage Rating * (Volts) UR Device Range * (Operating Current Options in Amps) UL Very Fast Acting Fast Acting • 250 / 125 / 32 0.125 - 40 • 322 326 0.01 - 35 0.01 - 30 • • Lead Free 313 Agency Approvals * Interrupting Rating at Max Voltage...

TE5®/TR5® Type Fuse Series and Holder Options 35 - 50 • • • • 250 35 - 50 • • • • • • • 250 50 • • 373 • -40°C to +85°C • CQC CCC K PSE Asia Semko BSI VDE CE Europe QPL CSA UR UL Americas TUV Operating Temperature Range • Lead Free 250 0.5 - 10 Very Fast Acting Interrupting Rating at Max Voltage Rating * (Amps) 0.4 - 6.3 Fast Acting Max. Voltage Rating * (Volts) RoHS Compliant 370 372 Agency Approvals * Device Range * (Operating Current Options in Amps) 0.4 - 6.3 Medium Acting Fuse Series Name Time Lag (Slo-Blo®) Fuse Options • • • • • • • • • • • • • • • • • • • 374 • 0.5 - 10 250 50 382 • 1...

As the world's #1 brand in circuit protection, Littelfuse offers the broadest and deepest portfolio of circuit protection products and a global network of technical support backed by more than 80 years of application design expertise.  Visit our design support center to access: > Reference Designs > Application Notes > Application Testing > SPICE Models > Local Technical Support > Product Samples > Technical Articles > Certification Documents > Data Sheets WWW.LITTELFUSE.COM/DESIGNSUPPORT Littelfuse offers technologies that protect electronic and electrical circuits and their users against electrostatic...