1812L150ZR vs 1812L110ZR

Product Attributes

Part Number 1812L150ZR 1812L110ZR
Manufacturer Littelfuse Inc. Littelfuse Inc.
Category PTC Resettable Fuses PTC Resettable Fuses
1812L150ZR 1812L110ZR
Product Status Active Obsolete
Type Polymeric Polymeric
Voltage - Max 8V 8V
Current - Max 100 A 100 A
Current - Hold (Ih) (Max) 1.25 A 1.1 A
Current - Trip (It) 3 A 2.2 A
Time to Trip 300 ms 300 ms
Resistance - Initial (Ri) (Min) 40 mOhms 40 mOhms
Resistance - Post Trip (R1) (Max) 110 mOhms 210 mOhms
Resistance - 25°C (Typ) - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Ratings - -
Mounting Type Surface Mount Surface Mount
Package / Case 1812 (4532 Metric), Concave 1812 (4532 Metric), Concave
Size / Dimension 0.179" L x 0.128" W (4.55mm x 3.24mm) 0.179" L x 0.128" W (4.55mm x 3.24mm)
Height - Seated (Max) - -
Thickness (Max) 0.049" (1.25mm) 0.028" (0.71mm)
Lead Spacing - -