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Bourns 1.8 A 33V Resettable Fuse MF-SM185/33-2
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 33V |
| Brand | Bourns |
| Height | 3mm |
| Length | 9.5mm |
| Model | MF-SM185/33-2 |
| Width | 6.71mm |
| Current Rating | 40A |
| Series | MF-SM |
| Maximum Operating Temperature | 85°C |
| Package Type | Reel |
| Minimum Operating Temperature | -40°C |
| Package Size | 3425 |
| Trip Current | 3.6A |
| Power Dissipation | 1.9W |
| Terminal Material | Tin Plated Brass |
| Standards/Approvals | RoHS |
| Time to Trip | 5s |
| Hold Current | 1.8A |
| Minimum Resistance | 0.04Ω |
| Maximum Resistance | 150mΩ |
Key Features
- Self-resetting design enables thousands of maintenance-free cycles.
- Compact size with length 9.5mm, width 6.71mm, and height 3mm fits surface mount applications.
- Tin plated brass terminals ensure secure electrical connection.
- Trip current specification of 3.6 A ensures rapid response under overload.
- Power dissipation rating of 1.9 W supports stable operation.
- Operates safely within -40°C to 85°C temperature range.
- Complies with RoHS standards and packaged per EIA 481-2 in reel format.
- Ideal for use in security systems, power supplies, automotive and medical equipment.
Product Description
Bourns MF-SM185/33-2 resettable fuse is designed for the protection of electrical and electronic circuits against excessive currents. Operating at 33 V with a hold current of 1.8 A and a trip current of 3.6 A, this fuse switches rapidly to a high resistance state under overload or short circuit conditions, automatically resetting when power is removed or fault cleared.
The compact surface mount device measures 9.5 mm in length, 6.71 mm in width, and 3 mm in height, featuring tin plated brass terminal material for reliable connectivity. It dissipates up to 1.9 W of power and maintains stable operation across an operating temperature range from -40°C to 85°C. The product conforms to RoHS standards and is supplied on reels according to the EIA 481-2 packaging specification.
This resettable fuse is maintenance-free with a lifespan supporting thousands of cycles, making it ideal for use in various industrial and commercial applications including security systems, power switching devices, transformers, automotive, medical equipment, instrumentation, and computer peripherals.
Its fast response time of 5 seconds to trip enhances circuit safety while reducing device downtime. The automatic reset feature eliminates the need for fuse replacement, improving operational efficiency in demanding electrical and electronic environments.
Self-resetting fuse supporting thousands of cycles. Compact surface mount design for space-efficient PCB integration. High reliability with tin plated brass terminals. Compliant with RoHS environmental standards. Designed for security, automotive, medical, and power supply electronics.
Trip time of 5 seconds ensures prompt circuit protection. Operates within a wide temperature range from -40°C to 85°C. Packaged on reels for efficient automated assembly. Fully compatible with industry standards and specifications.
Explore EnvMart’s wide range of Resettable Fuses for diverse industrial, electronic, and automation needs to optimize your circuit protection solutions.
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Frequently Asked Questions
The hold current rating of this resettable fuse is 1.8 A.
The trip current specification for this model is 3.6 A, which ensures rapid response under overload conditions.
The maximum operating temperature for this fuse is 85°C.
This resettable fuse measures 9.5 mm in length, 6.71 mm in width, and 3 mm in height.
The time to trip for this fuse is 5 seconds, providing prompt circuit protection.
The power dissipation rating of the MF-SM185/33-2 is 1.9 W, supporting stable operation.
The terminals of this resettable fuse are made of tin plated brass, ensuring a secure electrical connection.
The minimum operating temperature for this model is -40°C.
This resettable fuse complies with RoHS standards.
The fuse is packaged on reels according to the EIA 481-2 specification, facilitating automated assembly.
This model is suitable for various applications including security systems, power supplies, automotive, and medical equipment.
The MF-SM185/33-2 belongs to the MF-SM series of resettable fuses.
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