Manufacturer Part Number
1812L075/33DR
Manufacturer
Littelfuse
Introduction
Circuit Protection PTC Resettable Fuse
Product Features and Performance
Polymeric PTC resettable fuse
Surface mount 1812 package size
Quick time to trip at 200 ms
Product Advantages
Reflow solderable
Compact size suitable for high-density boards
Compatible with high-volume electronics assembly
Key Technical Parameters
Voltage - Max: 33V
Current - Hold (Ih) (Max): 750 mA
Current - Trip (It): 1.5 A
Current - Max: 20 A
Resistance - Initial (Ri) (Min): 110 mOhms
Resistance - Post Trip (R1) (Max): 400 mOhms
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Meets UL safety standards
Approval agency certificates: cURus, TUV
Compatibility
Suited for high voltage (up to 33V) applications
Application Areas
Consumer electronics
Telecommunications
Industrial electronics
Automotive systems
Product Lifecycle
Active
No indication of discontinuation
Several Key Reasons to Choose This Product
Poly-Fuse® technology for reliable overcurrent protection
Low resistance to minimize power loss
Automatic reset feature after fault condition clears
Durable performance under varying environmental conditions
High current interrupt rating suitable for robust applications
Ease of integration in automated assembly processes due to tape & reel packaging
1812L110/33MR-AHamlin / Littelfuse