Transistors
A transistor is a type of electronic device that controls the flow of electricity or current through a circuit. It acts as a switch or gate, allowing current to pass through or blocking it, depending on the input signal applied to the transistor. Transistors are widely used in a variety of electronic devices and systems, including computers, televisions, radios, and smartphones. They are also used in a range of industrial and medical applications, such as power supply systems and medical equipment. Flux.ai is home to the world's largest community-driven public library of transistors, with footprints, symbols, datasheets, and simulation models available for a wide range of devices. The library is constantly being updated and expanded by a community of engineers and enthusiasts, making it an invaluable resource for anyone working with transistors. Whether you're a student, hobbyist, or professional engineer, you'll find everything you need to know about transistors at Flux.ai.
MCP73831T-2ACI/OT
Charger IC Lithium Ion/Polymer SOT-23-5 The MCP73831/2 devices are highly advanced linear charge management controllers for use in spacelimited, cost-sensitive applications. The MCP73831/2 are available in an 8-Lead, 2 mm x 3 mm DFN package or a 5-Lead, SOT-23 package. Along with their small physical size, the low number of external components required make the MCP73831/2 ideally suited for portable applications. For applications charging from a USB port, the MCP73831/2 adhere to all the specifications governing the USB power bus. The MCP73831/2 employ a constant-current/constantvoltage charge algorithm with selectable preconditioning and charge termination. The constant voltage regulation is fixed with four available options: 4.20V, 4.35V, 4.40V or 4.50V, to accommodate new, emerging battery charging requirements. The constant current value is set with one external resistor. The MCP73831/2 devices limit the charge current based on die temperature during high power or high ambient conditions. This thermal regulation optimizes the charge cycle time while maintaining device reliability. Several options are available for the preconditioning threshold, preconditioning current value, charge termination value and automatic recharge threshold. The preconditioning value and charge termination value are set as a ratio or percentage of the programmed constant current value. Preconditioning can be disabled. Refer to Section 1.0 “Electrical Characteristics” for available options and the Product Identification System for standard options. The MCP73831/2 devices are fully specified over the ambient temperature range of -40°C to +85°C. Linear Charge Management Controller: - Integrated Pass Transistor - Integrated Current Sense - Reverse Discharge Protection • High-Accuracy Preset Voltage Regulation: + 0.75% • Four Voltage Regulation Options: - 4.20V, 4.35V, 4.40V, 4.50V • Programmable Charge Current: 15 mA to 500 mA • Selectable Preconditioning: - 10%, 20%, 40%, or Disable • Selectable End-of-Charge Control: - 5%, 7.5%, 10%, or 20% • Charge Status Output - Tri-State Output - MCP73831 - Open-Drain Output - MCP73832 • Automatic Power-Down • Thermal Regulation • Temperature Range: -40°C to +85°C • Packaging: - 8-Lead, 2 mm x 3 mm DFN - 5-Lead, SOT-23 Applications • Lithium-Ion/Lithium-Polymer Battery Chargers • Personal Data Assistants • Cellular Telephones • Digital Cameras • MP3 Players • Bluetooth Headsets • USB Chargers #commonpartslibrary #integratedcircuit #powermanagement #batterycharger
1.1k Uses0 StarsMMBT3904LT1G
Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 300 mW Surface Mount SOT-23-3 (TO-236) The MMBT3904LT1G is a general-purpose NPN bipolar junction transistor designed for switching and amplification applications. It is housed in a compact SOT-23 surface-mount package, making it suitable for high-density PCB designs. This transistor is widely used in low-power signal processing, digital switching, and analog amplification circuits due to its reliable performance and fast switching characteristics. Key Features General-purpose NPN transistor Compact SOT-23 surface-mount package Fast switching speed Low saturation voltage Suitable for low-current and low-power applications High reliability and stability Pb-free, Halogen-free, and RoHS compliant Electrical Characteristics (Typical @ 25°C unless otherwise specified) Collector-Emitter Voltage (VCEO): 40 V Collector-Base Voltage (VCBO): 60 V Emitter-Base Voltage (VEBO): 6 V Collector Current (IC): 200 mA (max) DC Current Gain (hFE): 100 – 300 Collector-Emitter Saturation Voltage (VCE(sat)): 0.2 V (typ) Transition Frequency (fT): ~300 MHz Absolute Maximum Ratings Collector Current (Continuous): 200 mA Power Dissipation: ~225 mW Junction Temperature: +150°C (max) Operating Temperature Range: -55°C to +150°C Storage Temperature Range: -55°C to +150°C Mechanical Characteristics Package Type: SOT-23 (TO-236AB) Mounting Type: Surface Mount Number of Pins: 3 Marking Code: Dependent on lot/manufacturer marking Applications General-purpose switching circuits Signal amplification Digital logic interfacing LED drivers and small load switching Audio and RF signal processing #CommonPartsLibrary #TransistorBJT #MMBT2222
2.0k Uses0 Stars
