473 Series - PICO® II Slo-Blo Subminiature Axial Leaded Fuse

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The PICO® II Slo-Blo® Fuse combines time-delay 
performance characteristics with the proven reliability of 
a PICO® Fuse


  • Enhanced inrush withstand
  • Small size 
  • Wide range of current ratings (375mA - 7A)
  • RoHS compliant 
  • Wide operating temperature range
  • Low temperature de-rating

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingMax Operating Temp (°C)Min Operating Temp (°C)BodyMSLNom
0473.3750.3751251250.0851.75550A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.84Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473.5000.51251250.211.13750A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.775Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473.7500.751251250.760.4950A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.429Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473001.11251252.010.350A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.353Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473002.21251257.60.07250A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.18Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473003.3125125210.03850A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.1405Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473004.4125125350.0250A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.0863Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473005.512512554.80.013350A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.074Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
0473007.71251251050.009250A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.0709Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
047301.51.51251253.940.11750A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.208Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
047302.52.5125125130.05250A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.1533Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
047303.53.512512526.80.02450A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.0948Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder
04732.252.251251259.280.06450A@125VDC125-55Ceramic BodyMIL-STD-202 Method 1060.164Slo-Blo/Time Lag (T)/Time Delay3.175 x 7.11mmCheckOrder

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