TRF250-080U vs TR250-080U

Product Attributes

Part Number TRF250-080U TR250-080U
Manufacturer Littelfuse Inc. Littelfuse Inc.
Category PTC Resettable Fuses PTC Resettable Fuses
TRF250-080U TR250-080U
Product Status Active Obsolete
Type Polymeric Polymeric
Voltage - Max 60V (250V Int) 250V (60V Int)
Current - Max 3 A 3 A
Current - Hold (Ih) (Max) 80 mA 80 mA
Current - Trip (It) 160 mA -
Time to Trip 4 s 3 s
Resistance - Initial (Ri) (Min) 14 Ohms 14 Ohms
Resistance - Post Trip (R1) (Max) 33 Ohms 33 Ohms
Resistance - 25°C (Typ) - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Ratings - -
Mounting Type Through Hole Through Hole
Package / Case Radial, Disc Radial, Disc
Size / Dimension 0.189" Dia x 0.150" T (4.80mm x 3.80mm) 0.189" Dia x 0.150" T (4.80mm x 3.80mm)
Height - Seated (Max) 0.366" (9.30mm) 0.366" (9.30mm)
Thickness (Max) - -
Lead Spacing 0.197" (5.00mm) 0.197" (5.00mm)