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Littelfuse 0.75 A Resettable Fuse 33V dc Surface Mount Technology 1812L075/33DR
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 33V dc |
| Brand | Littelfuse |
| Height | 1.55mm |
| Length | 4.73mm |
| Model | 1812L075/33DR |
| Width | 3.41mm |
| Current Rating | 20A |
| Series | 1812L |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 1812 |
| Trip Current | 1.5A |
| Power Dissipation | 0.8W |
| Terminal Material | Tin Plated Copper |
| Standards/Approvals | RoHS |
| Time to Trip | 0.2s |
| Hold Current | 0.75A |
| Minimum Resistance | 0.11Ω |
| Maximum Resistance | 400mΩ |
Key Features
- Utilizes surface mount technology for compact installation.
- Automatic resettable PTC fuse suitable for overcurrent protection.
- Trip current at 1.5 A ensures fast response to overloads.
- Power dissipation of 0.8 W for reliable operation.
- Operating temperature range from -40°C to 85°C accommodates diverse environments.
- Constructed with tin plated copper terminals for enhanced conductivity.
- Compact 1812 package size with reel packaging for automated assembly.
- Meets RoHS standards ensuring environmental compliance.
Product Description
Littelfuse 1812L075/33DR Resettable Fuse is designed for precise surface mount overcurrent protection in compact electronic circuits. Operating at 33V DC with a hold current of 0.75 A, it rapidly transitions from low resistance to high resistance under fault conditions to protect sensitive components.
This 1812L series PTC fuse utilizes surface mount technology, making it highly suitable for space-constrained applications requiring automatic reset capability. The trip current is rated at 1.5 A with a time to trip of 0.2 seconds to safeguard circuits from overload swiftly.
Constructed with tin plated copper terminals, it offers minimal resistance (minimum resistance 0.11Ω), and efficient power dissipation of 0.8 W ensures stable performance. It operates reliably within a temperature range of -40°C to 85°C.
Packaged in a reel and following the 1812 size standard, these fuses support automated insertion processes to enhance production efficiency. Compliance with RoHS standards confirms its environmental safety.
The fuse is maintenance-free with automatic reset functionality capable of thousands of cycles, making it ideal for varied industrial, automotive, medical, and telecommunications applications including security systems, power supplies, transformers, instrumentation, and audio-visual equipment.
Utilizes surface mount technology for compact installation. Automatic resettable overcurrent protection with fast trip time. Capable of thousands of maintenance-free reset cycles. Wide operating temperature range from -40°C to 85°C.
RoHS compliant for environmental safety. Compact 1812 package and reel type packaging for efficient manufacturing. Terminal material is tin plated copper for durability and conductivity. Power dissipation of 0.8 W and minimum resistance of 0.11Ω.
Applications include security, automotive, medical, and telecommunications. Explore more in our Electronics & Electricals section for advanced circuit protection products tailored for industrial, laboratory, manufacturing, and commercial use on EnvMart.
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Frequently Asked Questions
The Littelfuse 1812L075/33DR has a voltage rating of 33V DC.
The hold current for this resettable fuse is 0.75 A.
The trip current is rated at 1.5 A, and the time to trip is 0.2 seconds.
It operates within a temperature range of -40°C to 85°C.
The dimensions are 4.73 mm in length, 3.41 mm in width, and 1.55 mm in height.
The power dissipation for this fuse is 0.8 W.
It is constructed with tin plated copper terminals for enhanced conductivity.
This model is packaged in a reel type, suitable for automated assembly.
Yes, it meets RoHS standards for environmental compliance.
It is suitable for applications in security systems, automotive, medical, and telecommunications.
The minimum resistance is 0.11Ω, ensuring minimal power loss.
This model is designed for thousands of maintenance-free reset cycles.
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