RHE450 vs RHE750

Product Attributes

Part Number RHE450 RHE750
Manufacturer Littelfuse Inc. Littelfuse Inc.
Category PTC Resettable Fuses PTC Resettable Fuses
RHE450 RHE750
Product Status Obsolete Obsolete
Type Polymeric Polymeric
Voltage - Max 16V 16V
Current - Max 100 A 100 A
Current - Hold (Ih) (Max) 4.5 A 7.5 A
Current - Trip (It) 7.8 A 13.1 A
Time to Trip 3 s 7 s
Resistance - Initial (Ri) (Min) 22 mOhms 9.4 mOhms
Resistance - Post Trip (R1) (Max) 3.6 Ohms 4.5 Ohms
Resistance - 25°C (Typ) - -
Operating Temperature - -
Ratings - -
Mounting Type Through Hole Through Hole
Package / Case Radial, Disc Radial, Disc
Size / Dimension 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.551" L x 0.120" W (14.00mm x 3.00mm)
Height - Seated (Max) 0.614" (15.60mm) 0.925" (23.50mm)
Thickness (Max) - -
Lead Spacing 0.199" (5.05mm) 0.199" (5.05mm)