Switches

Diode 40 V 10A Through Hole TO-220AC The SB1040_T0_00001 is a high-efficiency Schottky Barrier Rectifier diode manufactured by Panjit International Inc. . It is designed for fast switching and low power loss applications such as switching power supplies, DC-DC converters, freewheeling circuits, and reverse polarity protection. Its Schottky technology provides a low forward voltage drop, helping improve overall system efficiency and reduce heat generation. Key Features Schottky barrier rectifier technology Low forward voltage drop: typically 0.55V @ 10A High average forward current capability: 10A Reverse voltage rating: 40V Fast switching / fast recovery performance Low power loss and improved efficiency Wide operating junction temperature range: -55°C to +150°C Through-hole TO-220AC / TO-220-2 package Suitable for high-frequency power applications RoHS compliant #CommonPartsLibrary #Diode #Schottky

4.7 µH Shielded Drum Core, Wirewound Inductor 2.6 A 105mOhm Max 2-SMD The SRP4020TA-4R7M is a compact surface-mount power inductor designed for use in high-efficiency power conversion and energy storage applications. It is optimized for switching regulators, DC-DC converters, and filtering circuits where stable inductance, low core loss, and reliable current handling are required. The device features a magnetically shielded construction that minimizes electromagnetic interference, making it suitable for densely populated electronic assemblies. Its robust design supports consistent performance across a wide range of operating conditions, contributing to improved system efficiency and reduced noise. Construction and Materials The component is manufactured using a ferrite core with integrated winding, enclosed in a molded structure that provides mechanical stability and environmental protection. The shielding structure reduces flux leakage and enhances electromagnetic compatibility. External terminations are designed for reliable solderability and strong adhesion to standard printed circuit board pads. Electrical Characteristics The inductor provides a nominal inductance corresponding to its designation and maintains stability under rated operating conditions. It exhibits low direct current resistance to minimize conduction losses and supports moderate to high current levels without significant saturation. The component is engineered to maintain performance over variations in temperature and frequency typical of switching power applications. Thermal Performance The device is capable of operating within standard industrial temperature ranges, with thermal characteristics that support efficient heat dissipation through the PCB. Its construction helps maintain inductance stability and prevents degradation under thermal stress. Mechanical Characteristics The package is a low-profile, surface-mount form factor suitable for automated assembly. The compact footprint enables use in space-constrained designs, while the structure ensures durability during handling and reflow soldering processes. Applications Typical applications include step-down and step-up voltage regulators, power management modules, portable electronics, telecommunications equipment, and general-purpose filtering where compact size and efficient performance are critical. Reliability and Compliance The component is designed to meet common industry reliability standards for surface-mount passive devices. It is compatible with standard reflow soldering processes and is typically compliant with environmental regulations governing hazardous substances. #commonpartslibrary #inductor

Electronic Fuse Regulator 4A 8-WSON (2x2) The TPS259530DSGR is a compact, integrated eFuse protection device designed to provide robust power-path management for low-voltage DC systems, particularly nominal five-volt rails. It combines multiple protection and control features into a single solution, enabling safe distribution of power to downstream circuitry while minimizing the need for external components. The device supports controlled inrush current during startup, continuous current monitoring, and rapid fault response to protect both the power source and the load. Integrated protection mechanisms include overvoltage protection, undervoltage lockout, overcurrent limiting, thermal shutdown, and reverse current blocking. This makes the device well suited for applications requiring high reliability, such as embedded systems, industrial electronics, consumer devices, and communication equipment. Functional Description The device operates as a high-side protection switch using an internal MOSFET to control current flow from the input supply to the load. It monitors input voltage, output current, and internal temperature to ensure operation within safe limits. When a fault condition such as overcurrent or overvoltage is detected, the device limits or interrupts current flow to prevent damage. The integrated control loop provides smooth startup by limiting inrush current and preventing supply droop. Reverse current blocking prevents unwanted current flow from the output back to the input when the input supply is removed or drops below the output level. Electrical Characteristics The device supports operation across a wide input voltage range suitable for low-voltage DC systems, including typical five-volt rails. It features an adjustable overvoltage protection threshold aligned with five-volt system requirements, along with configurable undervoltage lockout to ensure proper system startup and shutdown behavior. The current limit is externally programmable, allowing flexibility for different load conditions. The device exhibits low on-resistance to minimize power dissipation and voltage drop during normal operation. Protection Features The TPS259530DSGR integrates multiple protection functions to enhance system robustness. Overvoltage protection prevents excessive input voltage from reaching the load. Undervoltage lockout ensures the device only operates when the input supply is within a valid range. Overcurrent protection actively limits current during fault conditions and can respond rapidly to short circuits. Thermal shutdown protects the device from overheating by disabling operation when internal temperature exceeds safe limits. Reverse current blocking prevents backflow of current, safeguarding both the source and load. Control and Interface The device includes an enable control input that allows external control of the power path. It supports configurable behavior for fault response and recovery, depending on system design. External components can be used to set thresholds such as current limit and undervoltage lockout, providing design flexibility. Status signaling allows system-level monitoring of fault conditions. Mechanical and Package Information The TPS259530DSGR is provided in a compact surface-mount package suitable for space-constrained applications. The package is optimized for thermal performance and efficient PCB layout, enabling reliable operation under varying load conditions. It is supplied in tape-and-reel format for automated assembly processes. Applications This device is intended for use in systems requiring reliable power distribution and protection. Typical applications include five-volt power rails in embedded systems, industrial control modules, consumer electronics, communication devices, and peripheral power management circuits. Summary The TPS259530DSGR offers an integrated, high-reliability solution for power path protection and management in low-voltage systems. Its combination of protection features, configurability, and compact form factor makes it a widely used choice for safeguarding five-volt supply rails in modern electronic designs. #commonpartslibrary #integratedcircuit #powermanagement

4.7 µH Unshielded Drum Core, Wirewound Inductor 62 A 0.95mOhm Max Vertical, 2 PC Pin The IHDM1008BCEV4R7M30 is a surface-mount power inductor designed for energy storage and filtering in switching power supplies and DC-DC converter circuits. It provides stable inductance characteristics under varying current conditions, making it suitable for applications requiring efficient power conversion and noise suppression. The device is constructed using a magnetically shielded structure to minimize electromagnetic interference and ensure reliable operation in densely populated circuit environments. Its design supports high current handling capability while maintaining low core losses, contributing to overall system efficiency. Functional Overview The inductor stores energy in its magnetic field when current flows through it and releases that energy when the current changes. This behavior is essential for smoothing current in switching regulators and maintaining stable voltage levels in power circuits. Its low resistance winding helps reduce power loss, while the magnetic shielding limits flux leakage, improving performance in sensitive electronic systems. The component is optimized for high-frequency operation typically found in modern power management designs. Electrical Characteristics The device provides a fixed inductance value with stable performance across a range of operating currents. It supports relatively high saturation current levels, allowing it to function effectively in power circuits without significant degradation of inductance. Low direct current resistance contributes to improved efficiency and reduced heat generation. The inductor is designed to maintain consistent electrical behavior across typical operating temperatures and frequencies used in switching applications. Interface Requirements The component features standard surface-mount terminals for direct placement onto printed circuit boards. Proper soldering and pad design are required to ensure mechanical stability and optimal electrical performance. Placement considerations should include minimizing loop area and proximity to switching elements to reduce noise and maximize efficiency. Operating Conditions The inductor is intended for operation across a wide temperature range suitable for consumer and industrial electronics. It is capable of maintaining performance under continuous load conditions and varying thermal environments. Adequate thermal management and airflow may be necessary in high-current applications to prevent excessive temperature rise. Protection and Reliability Features The device is constructed with durable materials to ensure long-term reliability under electrical and thermal stress. Its magnetically shielded design reduces susceptibility to external interference and limits emissions that could affect nearby components. It is designed to withstand standard handling and soldering processes associated with surface-mount assembly. Packaging and Integration The IHDM1008BCEV4R7M30 is provided in a compact surface-mount package optimized for automated assembly processes. Its form factor allows efficient use of board space while supporting high-performance power designs. The package design ensures secure mounting and consistent electrical contact in high-density circuit layouts. Applications Typical applications include DC-DC converters, voltage regulator modules, power management circuits, filtering stages, and energy storage elements in portable devices, industrial equipment, and communication systems. #commonpartslibrary #inductors

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 24-WFQFN Exposed Pad General Description: The RTQ2105GQWT-QA is an electronic component designed for integration into compact and efficiency-focused circuit applications. It is engineered to deliver stable performance under varying operating conditions, making it suitable for use in consumer electronics, embedded systems, and power management solutions. The device emphasizes reliability, low power consumption, and consistent signal or power regulation, depending on its intended application within a system. Its form factor supports space-constrained designs while maintaining thermal and electrical stability. Functional Overview: The component provides controlled operation within a defined electrical range, ensuring dependable interaction with surrounding circuitry. It is optimized for seamless compatibility with standard board layouts and commonly used electronic assemblies. The design supports continuous operation with minimal performance drift and is built to handle typical environmental and electrical stresses encountered in modern devices. Electrical Characteristics: The device operates within a specified voltage and current range appropriate for low-power or signal-level applications. It maintains stable output behavior across its operating conditions and includes internal features that support protection, regulation, or signal integrity as required by its functional role. Mechanical Characteristics: The component is housed in a compact package suitable for surface-mount technology. Its physical structure is designed to facilitate automated assembly and secure placement on printed circuit boards. The package ensures adequate heat dissipation and mechanical durability during normal operation. Environmental Considerations: The RTQ2105GQWT-QA is designed to function reliably across a standard range of environmental conditions, including variations in temperature and humidity. It complies with common industry expectations for durability and long-term use in electronic systems. Application Guidelines: This component is intended for use in systems requiring efficient, stable, and compact electronic solutions. Proper circuit design practices should be followed to ensure optimal performance, including appropriate layout, grounding, and thermal management considerations. Compliance and Standards: The device is manufactured in accordance with relevant industry standards for electronic components, supporting quality, safety, and environmental requirements. #commonpartslibrary #integratedcircuit #powermanagement

3.5 mm stereo right-angle through-hole audio jack, 3 conductors, tip switch, 12 Vdc 1 A, -25°C to +85°C

FS8205A dual N-channel enhancement mode MOSFET, 20V drain-source voltage, 6A drain current, low RDS(on) 22.5mΩ at VGS=4.5V and 27mΩ at VGS=2.5V, low gate charge, ±12V gate-source voltage, 26A pulsed drain current, 2W power dissipation, suitable for battery protection, load switch and power management applications, SOT-23-6L surface mount package.

Power Distribution Switches BTF3050TE PG-TO252-5_L6.5-W6.3-P1.14-LS10.0-BR LCSC Part Number: C534724 JLCPCB Part Class: Extended Part Manufactured by Infineon(英飞凌)