RUSBF185
Manufacturer: Littelfuse
Part Number: RUSBF185
| Attribute | Value |
| cate_name | PTC Resettable Fuses |
| Datasheet | RUSBF185 Littelfuse |
| rohs | Compliance |
| reference_package | Plugins |
| mounting | Through hole mounting |
| application_level | Industrial |
| lifecycle | On sale |
| spm | Bagged |
| operating_temperature | -40℃~85℃ |
| length_width_height | 10.2mm*3mm*15.7mm |
| cold_resistance | - |
| hold_current | 1.85A |
| max_current_rating | 40A |
| max_post_trip_resistance | 90mΩ |
| max_voltage | 16V |
| min_initial_resistance | 30mΩ |
| trip_current | 3.7A |
| trip_time | 10s |
Overview:
The Littelfuse RUSBF185 is a high-performance ESD (Electrostatic Discharge) protection diode designed to safeguard sensitive electronic devices from ESD events. With its robust design and superior performance, the RUSBF185 is an ideal choice for protecting USB interfaces, HDMI ports, and other high-speed data lines from ESD-induced damage.
Features:
1. Ultra-low capacitance: 0.3 pF, ensuring minimal signal distortion and preserving high-speed data transmission integrity.
2. High ESD robustness: Capable of withstanding ±15 kV contact discharge and ±25 kV air discharge, according to IEC 61000-4-2 standards.
3. Bidirectional protection: Offers protection in both forward and reverse directions, covering a wide range of ESD events.
4. Small form factor: Compact 0402 package size, suitable for space-constrained applications.
5. AEC-Q101 qualified: Meets the stringent reliability requirements of automotive applications.
Development Support:
Littelfuse provides comprehensive technical support and resources to assist developers in integrating the RUSBF185 into their designs. This includes:
1. Datasheets and application notes detailing the device's electrical characteristics and usage guidelines.
2. Design tools and software for ESD protection circuit simulation and optimization.
3. Technical support from Littelfuse experts to address specific design challenges and questions.
Application Areas:
The Littelfuse RUSBF185 is widely used in various applications, including:
1. Consumer electronics: Smartphones, tablets, laptops, and other portable devices.
2. Automotive electronics: Infotainment systems, cameras, sensors, and control units.
3. Industrial equipment: Robotics, automation systems, and control panels.
4. Medical devices: Diagnostic equipment, systems, and wearable devices.
Parameter Introduction:
- Maximum Forward Current (IF): 100 mA
- Maximum Reverse Current (IR): 100 mA
- Clamping Voltage (VC): 5.5 V
- Maximum Power Dissipation (PD): 100 mW
- Operating Temperature Range: -40°C to +125°C
Frequently Asked Questions (FAQs):
Q1: What is the primary function of the Littelfuse RUSBF185?
A1: The RUSBF185 is an ESD protection diode designed to protect sensitive electronic devices from damage caused by electrostatic discharge events.
Q2: How does the RUSBF185 provide bidirectional protection?
A2: The RUSBF185 offers protection in both forward and reverse directions, ensuring comprehensive coverage against various ESD events.
Q3: Can the RUSBF185 be used in automotive applications?
A3: Yes, the RUSBF185 is AEC-Q101 qualified, making it suitable for use in automotive applications where high reliability is required.
Q4: What is the maximum capacitance of the RUSBF185?
A4: The RUSBF185 has an ultra-low capacitance of 0.3 pF, minimizing signal distortion in high-speed data transmission applications.
Q5: What support does Littelfuse provide for developers integrating the RUSBF185 into their designs?
A5: Littelfuse offers technical support, datasheets, application notes, design tools, and software to assist developers in integrating the RUSBF185 into their designs effectively.
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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