AHRF300 vs AHRF400

Product Attributes

Part Number AHRF300 AHRF400
Manufacturer Littelfuse Inc. Littelfuse Inc.
Category PTC Resettable Fuses PTC Resettable Fuses
AHRF300 AHRF400
Product Status Active Active
Type Polymeric Polymeric
Voltage - Max 16V 16V
Current - Max 100 A 100 A
Current - Hold (Ih) (Max) 3 A 4 A
Current - Trip (It) 6.5 A 7.4 A
Time to Trip 5 s 5 s
Resistance - Initial (Ri) (Min) 29 mOhms 21 mOhms
Resistance - Post Trip (R1) (Max) 79 mOhms 60 mOhms
Resistance - 25°C (Typ) - -
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Ratings AEC-Q200 AEC-Q200
Mounting Type Through Hole Through Hole
Package / Case Radial, Disc Radial, Disc
Size / Dimension 0.346" L x 0.118" W (8.80mm x 3.00mm) 0.394" L x 0.118" W (10.00mm x 3.00mm)
Height - Seated (Max) 0.543" (13.80mm) 0.591" (15.00mm)
Thickness (Max) - -
Lead Spacing 0.199" (5.05mm) 0.199" (5.05mm)