LVR040S
Manufacturer: Littelfuse
Part Number: LVR040S
| Attribute | Value |
| cate_name | PTC Resettable Fuses |
| Datasheet | LVR040S Littelfuse |
| rohs | Compliance |
| reference_package | Plugins |
| mounting | Through hole mounting |
| application_level | Industrial |
| lifecycle | On sale |
| spm | bulk |
| operating_temperature | -20℃~85℃ |
| length_width_height | 11.5mm*3.8mm*19.5mm |
| cold_resistance | - |
| hold_current | 400mA |
| max_current_rating | 5.5A |
| max_post_trip_resistance | 1.9Ω |
| max_voltage | 240V |
| min_initial_resistance | 600mΩ |
| trip_current | 900mA |
| trip_time | 24s |
Overview:
The Littelfuse LVR040S is a high-performance, low-voltage resettable fuse designed to provide overcurrent protection in a wide range of electronic applications. With its compact size and robust performance, the LVR040S is an ideal choice for protecting sensitive components and circuits from damage due to excessive current.
Features:
1. Ultra-low resistance: The LVR040S offers an ultra-low resistance of just 40 milliohms, ensuring minimal power loss and maximizing efficiency in your circuit.
2. Fast-acting protection: The fuse responds quickly to overcurrent conditions, providing reliable protection in a matter of milliseconds.
3. High interrupting capacity: The LVR040S can handle high interrupting capacities, making it suitable for applications with high inrush currents.
4. Small form factor: With a compact size of 1812 (4.5mm x 3.2mm), the LVR040S is easy to integrate into your design without taking up valuable board space.
5. Wide operating temperature range: The fuse operates effectively in temperatures ranging from -55°C to +125°C, making it suitable for use in various environments.
Development Support:
Littelfuse provides comprehensive development support for the LVR040S, including:
1. Technical documentation: Detailed datasheets, application notes, and design guides to help you integrate the fuse into your project.
2. Design tools: Online tools and calculators to assist with selecting the appropriate fuse and calculating current ratings.
3. Engineering support: Access to Littelfuse's team of experienced engineers for personalized support and guidance.
Application Areas:
The Littelfuse LVR040S is suitable for a wide range of applications, including:
1. Power supplies
2. Telecommunications equipment
3. Automotive electronics
4. Industrial control systems
5. Consumer electronics
6. Renewable energy systems
Parameter Introduction:
1. Nominal resistance (R1): 40 milliohms
2. Maximum current (I2): 2.5A
3. Maximum interrupting capacity: 200A
4. Operating temperature range: -55°C to +125°C
5. Size: 1812 (4.5mm x 3.2mm)
Frequently Asked Questions (FAQs):
Q1: What is the primary function of the Littelfuse LVR040S?
A1: The primary function of the LVR040S is to provide overcurrent protection in electronic circuits, preventing damage to sensitive components.
Q2: Can the LVR040S be used in high-temperature environments?
A2: Yes, the LVR040S has a wide operating temperature range of -55°C to +125°C, making it suitable for use in high-temperature environments.
Q3: How does the LVR040S differ from a traditional fuse?
A3: The LVR040S is a resettable fuse, meaning it can automatically reset itself after an overcurrent event, unlike traditional fuses that require replacement.
Q4: What is the maximum current the LVR040S can handle?
A4: The maximum current the LVR040S can handle is 2.5A.
Q5: Can I get support for integrating the LVR040S into my design?
A5: Yes, Littelfuse offers comprehensive development support, including technical documentation, design tools, and engineering support to assist with integrating the LVR040S into your project.
Please refer to the product rule book for details.
Headquartered in Chicago, Illinois, Littelfuse has a vast network of operations including manufacturing facilities, sales offices, and engineering centers spread across the Americas, Europe, and Asia. This extensive footprint allows Littelfuse to efficiently serve its global customer base with a wide array of products and services.
Littelfuse's product portfolio is one of the broadest in the industry, encompassing fuses, fuse holders, protection relays, switches, and custom-engineered electrical components. The company's products are vital in preventing damage from electrical overloads and short circuits. Over the years, Littelfuse has expanded its product offerings through strategic acquisitions and research and development, moving beyond traditional circuit protection into power control and sensing technologies. These newer technologies include sensors for temperature, speed, and flow, as well as power semiconductors and modules that manage and control electronic power systems.
Innovation is at the core of Littelfuse's strategy. The company invests heavily in research and development to ensure it stays at the forefront of technological advancements. Littelfuse's R&D efforts focus on developing new materials, technologies, and products that meet the evolving needs of its customers. This commitment to innovation has resulted in numerous patents and industry awards.
Sustainability is another key focus for Littelfuse. The company is dedicated to environmental stewardship and aims to minimize its ecological footprint through sustainable practices. This includes reducing waste, conserving energy, and designing products that are environmentally friendly. Littelfuse also emphasizes ethical business practices and corporate social responsibility, aiming to make a positive impact on the communities where it operates.
Littelfuse's market leadership is supported by its commitment to quality and reliability. The company's products are designed to meet rigorous standards and are tested extensively to ensure performance and durability. This focus on quality has helped Littelfuse build long-standing relationships with leading manufacturers in various industries, including automotive, renewable energy, and consumer electronics.
In summary, Littelfuse is a pivotal player in the circuit protection market with a growing presence in power control and sensing technologies. With a legacy of innovation and quality, Littelfuse continues to expand its product offerings and technological capabilities to meet the needs of a dynamic global market. Through its commitment to sustainability, innovation, and quality, Littelfuse is well-positioned to continue its leadership in the electrical and electronics industry.
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