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Bourns Resettable Fuse, 1.85 A Hold Current, 33 V Voltage, 40 A Current Rating, Surface Mount MF-LSMF185/33X-2
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 33V |
| Brand | Bourns |
| Height | 1.6mm |
| Length | 7.98mm |
| Model | MF-LSMF185/33X-2 |
| Width | 5.44mm |
| Current Rating | 40A |
| Series | MF-LSMF |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 3121 |
| Trip Current | 3.7A |
| Power Dissipation | 1.5W |
| Terminal Material | Electroless Nickel Immersion Gold Plated |
| Standards/Approvals | RoHS |
| Time to Trip | 2.5s |
| Hold Current | 1.85A |
| Minimum Resistance | 0.045Ω |
| Maximum Resistance | 150mΩ |
| Littelfuse 1.85A Resettable Fuse, 33V dcBrand | Littelfuse |
Key Features
- This resettable fuse switches rapidly from low to high resistance under overload conditions.
- It features automatic reset and can withstand thousands of cycles without maintenance.
- Compact surface mount design enables automated assembly integration.
- Suitable for protection in security systems, power supplies, automotive and medical devices.
- Low profile with high power dissipation capability of 1.5 W.
- Electroless nickel immersion gold plated terminals ensure reliable connections.
- Operating temperature range from -40°C to a maximum of 85°C.
- Complies with RoHS standards and is halogen free.
Product Description
Bourns MF-LSMF185/33X-2 Resettable Fuse is a low profile, high power rating protective device designed for electronic and electrical circuits, rated at 33 volts and 1.85 amp hold current. This surface mount device offers rapid response to overcurrent conditions by switching from a low resistance state to a high resistance state, automatically resetting when the overload condition ceases.
The fuse is constructed with electroless nickel immersion gold plated terminals to provide excellent conductivity and corrosion resistance. Measuring 7.98 mm in length, 5.44 mm in width, and 1.6 mm in height, it is designed for automated assembly on printed circuit boards, packaged in reels of 3121 units.
This device can safely handle continuous currents up to 1.85 A and a peak current rating of 40 A with a trip current of 3.7 A, tripping within 2.5 seconds under fault conditions. Its power dissipation rating is 1.5 W, and it operates reliably across a temperature range from -40°C to 85°C.
The Bourns MF-LSMF185/33X-2 is RoHS compliant and halogen free, ensuring environmental safety while providing maintenance-free, automatic reset protection thousands of times. This fuse is ideal for use in security equipment, power supplies, transformers, automotive and medical instrumentation, control systems, audio-visual equipment, and telecommunications devices.
This resettable fuse switches rapidly from low to high resistance under overload conditions. It features automatic reset and can withstand thousands of cycles without maintenance. Compact surface mount design enables automated assembly integration.
Suitable for protection in security systems, power supplies, automotive and medical devices. Low profile with high power dissipation capability of 1.5 W. Electroless nickel immersion gold plated terminals ensure reliable connections.
Operating temperature range from -40°C to a maximum of 85°C. Complies with RoHS standards and is halogen free. Packaged in a reel of 3121 units for manufacturing efficiency.
Browse our comprehensive selection of Resettable Fuses and circuit protection devices at EnvMart for reliable electronic safety solutions in industrial, laboratory, HVAC, and manufacturing applications.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 1.85 A.
This model has a maximum voltage rating of 33 V.
The peak current rating is 40 A.
The trip current for this fuse is 3.7 A.
The dimensions are 7.98 mm in length, 5.44 mm in width, and 1.6 mm in height.
It has a power dissipation capability of 1.5 W.
The operating temperature range is from -40°C to a maximum of 85°C.
The fuse trips within 2.5 seconds under fault conditions.
It features electroless nickel immersion gold plated terminals for reliable connections.
It is packaged in a reel of 3121 units for manufacturing efficiency.
This model complies with RoHS standards and is halogen free.
It is suitable for protection in security systems, power supplies, automotive, and medical devices.
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