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Littelfuse 1.5 A Resettable Fuse 33V dc SMD150F/33-2
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 33V dc |
| Brand | Littelfuse |
| Height | 3mm |
| Length | 9.4mm |
| Model | SMD150F/33-2 |
| Width | 6.71mm |
| Current Rating | 40A |
| Series | SMD |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Trip Current | 3A |
| Power Dissipation | 1.9W |
| Terminal Material | Matt Tin |
| Standards/Approvals | RoHS |
| Time to Trip | 5s |
| Hold Current | 1.5A |
| Minimum Resistance | 0.08Ω |
| Maximum Resistance | 230mΩ |
| • SMD - Hold current 0.3 - 1.25A | 7555 (metric) 2920 (Imperial) |
| • SMD2 - Hold current 1.5 - 2.5A | 8763 (metric) 3425 (Imperial) |
Key Features
- Automatically resets after overcurrent conditions without replacing the fuse.
- Compact surface mount design suitable for electronic circuit boards.
- Time to trip is 5 seconds, providing reliable overload protection.
- Designed to handle a trip current of 3A and a maximum current rating of 40A.
- Operating temperature range from -40°C to 85°C for wide application environments.
- Terminal material is matt tin for improved conductivity and solderability.
- Low resistance characteristics with minimum resistance of 0.08 Ω and maximum resistance of 230 mΩ.
- Power dissipation rating of 1.9 W ensures stable operation under load.
Product Description
Littelfuse SMD150F/33-2 resettable fuse is a surface mount PolySwitch device designed for the protection of electrical and electronic circuits against excessive currents in industrial, electronic, automotive, and medical equipment applications. It features a hold current of 1.5 A and a voltage rating of 33V dc with a trip time of 5 seconds to ensure circuit safety without the need for fuse replacement.
This fuse has a compact SMT footprint making it ideal for computer peripherals, instrumentation, telecommunications, and audio-visual equipment. The terminal material is matt tin, providing reliable electrical connections and ease of assembly on printed circuit boards.
The device supports a trip current of 3A with a robust current rating of 40A, making it suitable for various power supplies, transformers, and power switching devices. Its operating temperature range from -40°C to 85°C allows use in harsh and varying environmental conditions.
Other features include low resistance (minimum 0.08 Ω, maximum 230 mΩ), power dissipation of 1.9W, and compliance with RoHS standards ensuring lead-free manufacturing processes. The fuse is packaged in reels for efficient assembly line integration.
Automatically resets after current overload, improving reliability and reducing maintenance. Compact size and no fuse holder required save board space and simplify design. Compatible with a variety of electronics applications including security systems and telecommunications.
Maintenance-free operation for thousands of cycles enhances long-term performance. Suitable for industrial, laboratory, automotive, medical, and consumer electronics manufacturing.
Choose Littelfuse SMD150F/33-2 resettable fuse for enhanced circuit protection and automatic fault recovery in compact surface mount form factors. Explore more products in the Resettable Fuse category on EnvMart for comprehensive circuit protection solutions.
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Frequently Asked Questions
The hold current rating of this model is 1.5 A.
It has a trip current of 3 A, which allows it to automatically reset after an overload condition.
The maximum current rating for this fuse is 40 A.
This model is rated for a voltage of 33 V dc.
The operating temperature range is from -40°C to 85°C, making it suitable for various environments.
The time to trip for this fuse is 5 seconds.
The dimensions are 9.4 mm in length, 6.71 mm in width, and 3 mm in height.
The terminal material is matt tin, which improves conductivity and solderability.
The power dissipation rating is 1.9 W, ensuring stable operation under load.
Yes, it complies with RoHS standards, ensuring lead-free manufacturing processes.
This fuse is packaged in reels for efficient assembly line integration.
It is suitable for various applications including industrial, automotive, medical, and consumer electronics.
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