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Littelfuse 1.5 A Resettable Fuse 33V DC, Polymeric PTC Surface Mount Overcurrent Protection 2920L150DR
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 33V dc |
| Brand | Littelfuse |
| Height | 1.25mm |
| Length | 7.98mm |
| Model | 2920L150DR |
| Width | 5.44mm |
| Current Rating | 40A |
| Series | 2920L |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 2829 |
| Trip Current | 3A |
| Power Dissipation | 1.5W |
| Terminal Material | Tin Plated Copper |
| Standards/Approvals | RoHS |
| Time to Trip | 2s |
| Hold Current | 1.5A |
| Minimum Resistance | 0.08Ω |
| Maximum Resistance | 230mΩ |
Key Features
- The fuse features a trip current of 3A and a maximum current rating of 40A for robust overcurrent protection.
- Designed with surface mount technology, it fits compact applications where space is limited.
- Automatic resettable function ensures maintenance-free protection with thousands of reset cycles.
- Constructed with tin-plated copper terminals for enhanced conductivity and corrosion resistance.
- Suitable for use in security systems, power supplies, automotive, medical equipment, instrumentation, and telecommunication devices.
- Operates efficiently within -40°C to 85°C temperature range providing stable performance.
- Power dissipation rating of 1.5 W ensures optimal heat management during operation.
Product Description
The Littelfuse 2920L150DR is a resettable polymeric positive temperature coefficient (PTC) fuse designed for surface mount technology applications requiring compact, reliable overcurrent protection.
It provides a hold current of 1.5 A and trip current of 3 A, protecting circuits with voltages up to 33 V DC and supporting maximum current ratings of 40 A, making it suitable for a wide range of electronic devices.
This resettable fuse rapidly switches from low resistance to a high resistance state under fault conditions such as overload or short circuit, automatically resetting when the fault is cleared and power is removed.
Featuring tin-plated copper terminals and a compact size of 7.98 mm length, 5.44 mm width, and 1.25 mm height, it offers both corrosion resistance and space-saving advantages. Its operating temperature range from -40°C to 85°C and power dissipation of 1.5 W render it reliable under various environmental conditions.
The fuse is maintenance-free and capable of thousands of automatic reset cycles. Ideal for industrial and electronic sectors such as security systems, power supplies, automotive electronics, medical equipment, instrumentation, and telecommunications.
Packaged in reels, supporting efficient assembly and production automation. Compliant with RoHS standards ensuring environmental safety.
This Littelfuse PTC Resettable Fuse enhances circuit safety by protecting against overcurrent faults without the need for fuse replacement, significantly reducing downtime and maintenance costs.
Explore a wide range of circuit protection products in the Electronics & Electricals category at EnvMart for industrial, laboratory, and commercial applications.
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Frequently Asked Questions
The maximum current rating for this model is 40A.
The hold current of this fuse is 1.5A.
It operates at a voltage of up to 33V DC.
The trip current for the Littelfuse 2920L150DR is 3A.
This resettable fuse operates efficiently within a temperature range of -40°C to 85°C.
The dimensions are 7.98 mm in length, 5.44 mm in width, and 1.25 mm in height.
The terminals are constructed from tin-plated copper, enhancing conductivity and corrosion resistance.
The fuse automatically resets after a fault condition is cleared and power is removed, allowing for maintenance-free operation.
The power dissipation rating is 1.5W, ensuring optimal heat management during operation.
This model is compliant with RoHS standards for environmental safety.
It is suitable for use in security systems, power supplies, automotive electronics, medical equipment, instrumentation, and telecommunications.
The time to trip for the Littelfuse 2920L150DR is 2 seconds.
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