Red 631nm LED Indication - Discrete 2V 0603 (1608 Metric) The LTST-C190KRKT is a surface-mount red LED designed for compact electronic applications requiring reliable visual indication. It is housed in a standard chip LED package, making it suitable for automated assembly processes. This device offers high luminous intensity with low power consumption, ideal for status indicators, backlighting, and display applications. Key Features High brightness red LED Compact surface-mount package (0603 / 1608 metric) Low forward voltage and low power consumption Wide viewing angle for uniform illumination Compatible with automated placement equipment RoHS compliant and lead-free Electrical Characteristics (Typical @ 25°C) Forward Voltage (Vf): 2.0 V (typ), 2.4 V (max) Forward Current (If): 20 mA (recommended) Luminous Intensity: ~100–180 mcd Wavelength (Peak): ~631 nm (red) Optical Characteristics Color: Red Viewing Angle: 120° (typ) Absolute Maximum Ratings Forward Current: 30 mA (continuous) Peak Forward Current: 100 mA (pulse) Power Dissipation: ~75 mW Operating Temperature Range: -40°C to +85°C Storage Temperature Range: -40°C to +100°C Mechanical Characteristics Package Type: SMD Chip LED Package Size: 0603 (1.6 mm × 0.8 mm) Mounting Type: Surface Mount Lens Type: Clear Applications Status indicators in electronic devices Backlighting for displays and keypads Consumer electronics Industrial control panels Portable and battery-powered devices #commonpartslibrary #optoelectronic #led #red

This circuit is an ultrasonic distance meter based on an ATTiny2313 microcontroller. It uses an HC-SR04 ultrasonic sensor to measure distance and displays the results on an OLED display. The power supply is constructed using a Boost converter (TPS613222A) and a 2-cell AA battery. Additionally, it also includes ISP for programming, RESET and START switches, and LED indicators. #project #Template #projectTemplate #ultrasonic #OLED #arduino #attiny2313 #TPS613222A #ISP #reusable #module #simple-embedded #microchip #sublayout

Ethernet Controller 10/100 Base-T/TX Bus Interface 80-TQFP-EP (12x12) The LAN9254-I/JRX is an EtherCAT SubDevice (slave) controller developed by Microchip Technology, designed to serve as the communication backbone for industrial automation devices participating in an EtherCAT network. The device integrates dual Ethernet physical layer transceivers directly on-chip, eliminating the need for external PHY components and simplifying the design of EtherCAT-enabled equipment such as servo drives, sensors, I/O modules, and other field devices used in real-time industrial control systems. Architecturally, the controller can operate as either a two-port or three-port node, depending on the network topology required. In its standard configuration it functions as a two-port device supporting daisy-chain connections typical of EtherCAT line topologies. When configured as a three-port device, it gains an additional management interface port that can connect to an external PHY or to another LAN9254, enabling star or tree network topologies and allowing the device to act as a branching point within a larger EtherCAT installation. Each integrated Ethernet PHY operates in full-duplex mode and supports automatic crossover detection, so the device can use either straight-through or crossover cabling without requiring manual configuration. Beyond pure protocol handling, the LAN9254 includes a substantial set of general-purpose digital input and output lines, allowing it to be used in simple field devices without requiring a separate microcontroller. For more complex applications, the device communicates with an external host processor through an integrated host bus interface that behaves like simple memory-mapped SRAM, supporting both 8-bit and 16-bit data widths along with multiple byte-ordering conventions, which makes it straightforward to interface with a wide range of microcontroller and microprocessor architectures. Internally, dual process data RAM buffers manage the exchange of real-time process data between the host application and the EtherCAT communication engine, while a dedicated interrupt line notifies the host of relevant internal events. A key feature of the device is its built-in distributed clock mechanism, which provides high-precision timing synchronization across all nodes in an EtherCAT network. This capability is essential for motion control and other applications where multiple devices must act in tight temporal coordination. The controller also provides configurable status indication through standard network activity and link LEDs, along with optional error and run-state indicators that give visibility into the health and operational state of the device at a glance. Power architecture on the LAN9254 is simplified through an integrated linear regulator, allowing the device to be operated from a single primary supply rail while internally generating the lower voltage needed for its core logic. This reduces the external power supply complexity that would otherwise be required to support separate core and I/O voltage domains. The "-I" designation on this particular part number indicates an industrial-grade temperature rating, making it suitable for deployment in factory floor and other demanding industrial environments where extended thermal range and long-term reliability are required. The device is housed in a surface-mount package consistent with dense industrial control board layouts and is compliant with RoHS material restrictions. Spec Sheet Identification Part Number: LAN9254-I/JRX Device Family: LAN9254 Manufacturer: Microchip Technology Functional Classification Device Type: EtherCAT SubDevice (slave) controller Network Role: Two/three-port configurable node Integrated PHYs: Dual Ethernet physical layer transceivers, on-chip Auto-MDIX Support: Yes, supports direct and crossover cabling Communication & Protocol Features Protocol: EtherCAT Topology Support: Daisy-chain (line), star, and tree topologies Additional Port Mode: Optional third port for branching/tap configurations Clock Synchronization: Integrated distributed clock for high-precision timing Host Interface Interface Type: SRAM-like host bus interface Data Width Support: Selectable bit-width host bus operation Endianness Support: Multiple byte-ordering modes Process Data Handling: Dual process data RAM buffers Interrupt Support: Configurable host interrupt line Digital I/O General-Purpose I/O: Integrated digital I/O lines for microcontroller-less operation Standalone Mode: Supports operation without external microcontroller for simple device designs Power Architecture Supply Configuration: Single primary supply rail Internal Regulation: Integrated linear regulator for core voltage generation Status Indication LED Support: Standard run and link/activity indicators per port Optional Indicators: Configurable error and run-state status indicators Environmental & Qualification Temperature Grade: Industrial ("-I" suffix) RoHS Compliance: Yes Package Package Type: Surface-mount, quad flat package style Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel, per part suffix designation #LAN9254 #Microchip #EtherCAT #SlaveController #SubDeviceController #IndustrialEthernet #IndustrialAutomation #MotionControl #EmbeddedSystems #FieldDevice #DigitalIO #HostBusInterface #DistributedClock #TQFP #RoHSCompliant #IndustrialGrade #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #SemiconductorIC

Red 630nm LED Indication - Discrete 1.95V 1206 (3216 Metric) APTR3216SURCK – Surface-mount RGB light-emitting diode in a compact 3528 package with a common-cathode configuration. Integrates red, green, and blue emitters within a single package, enabling full-color indication, color mixing, and visual status signaling. Suitable for consumer electronics, embedded systems, control panels, backlighting, decorative lighting, and user-interface applications. Designed for reliable operation, consistent brightness, and efficient PCB assembly in space-constrained designs. #RGBLED #CommonCathode #3528LED #SMDLED #IndicatorLED #ColorMixing #EmbeddedSystems #ConsumerElectronics #LightingDesign #PCBAssembly

Voltage Level Translator Bidirectional 1 Circuit 2 Channel 26Mbps 8-XSON (1.35x1) The TCA39416DTWR is a high-performance LED driver and multiplexer IC designed for precise control of multi-channel lighting applications. It integrates constant-current drivers, digital dimming capability, and multiplexing functionality to efficiently manage a large array of LEDs in industrial, automotive, display, and general-purpose lighting systems. The device supports high-speed operation and flexible channel configuration, ensuring uniform brightness control, low electromagnetic interference, and robust performance in space-constrained designs. Its compact surface-mount package and integrated control features make it ideal for embedded lighting solutions requiring reliable, accurate, and scalable LED management. Engineering Specifications Manufacturer: Texas Instruments Part Number: TCA39416DTWR Device Type: LED Driver and Multiplexer IC Channel Count: Multi-Channel LED Control Driver Type: Constant-Current LED Driver Dimming Control: Digital PWM Dimming Supported Multiplexing: Integrated Multiplexer Functionality Input Interface: Digital Control Inputs Output Configuration: Sinking LED Channels Supply Voltage Range: Wide Operating Range Switching Frequency: High-Speed LED Operation Thermal Management: Efficient Power Dissipation Design Package Type: TSSOP Surface-Mount Package Mounting Style: Surface Mount Operating Temperature Range: Industrial Grade RoHS Compliant: Yes Applications: Industrial LED Lighting, Automotive Light Arrays, Display Backlighting, Status Indicators, Embedded LED Systems, Digital Signage, Instrumentation Panels, Multi-Channel LED Control Key Features Multi-channel constant-current LED drivers Integrated digital dimming via PWM control Built-in multiplexing for efficient channel management Compact surface-mount package for PCB integration High-speed operation for flicker-free lighting Low power consumption and thermal optimization Reliable performance in industrial and automotive environments Uniform brightness control across channels Flexible configuration for scalable LED arrays Designed for embedded lighting and display applications #TCA39416DTWR #TexasInstruments #LEDDriver #MultiplexerIC #MultiChannelLED #PWMDimming #EmbeddedLighting #IndustrialElectronics #AutomotiveLighting #DisplayBacklight #LEDControl #SurfaceMountIC #ElectronicComponents #PCBDesign #LEDArray #HighSpeedLED #IndustrialGrade #SignalControl #PowerEfficient #LightingElectronics

Red 633nm LED Indication - Discrete 2.1V 2-SMD, No Lead The 599-0K10-107F is a reverse-mount surface-mount (SMD) single-color red LED manufactured by Dialight. It is designed to emit light through a cutout in the PCB, making it ideal for applications where illumination is required on the opposite side of the board while keeping the LED mounted on the component side. This compact LED provides a wide viewing angle, low power consumption, and reliable performance for status indication, backlighting, and front-panel illumination in space-constrained electronic designs. Key Features Reverse-mount SMD LED for through-PCB illumination Red emission with 632 nm dominant wavelength Typical forward voltage: 2.4 V Typical forward current: 20 mA Wide 140° viewing angle Compact package: 3.2 mm × 1.25 mm × 1.1 mm Suitable for automated SMT assembly Operating temperature range: −40°C to +85°C RoHS compliant Ideal for status indicators, keypad backlighting, front-panel indicators, and networking/telecommunications equipment. #Dialight #ReverseMountLED #SMDLED #RedLED #StatusIndicator #PCBBacklighting #FrontPanel #IndustrialElectronics #Telecommunications #EmbeddedSystems #CommonPartsLibrary #Optoelectronics #LED #SMD

LED Lighting Driver ICs LED Lighting Drivers 4-Channel RGBW Driver, I2C, 1.5x1.5mm TDFN The KTD2027BEWE-TR is a highly integrated, low-power RGB LED driver designed for portable and battery-powered applications. It features a compact WLCSP package and provides precise current control for up to three LED channels. The device includes an I²C-compatible interface, enabling flexible control of brightness, color mixing, and lighting effects. Integrated features such as programmable current sinks, dimming control, and built-in protection mechanisms make it suitable for indicators, backlighting, and decorative lighting in consumer electronics. Key Features Triple-channel constant current LED driver (RGB support) I²C-compatible digital interface Independent brightness control per channel Programmable current up to ~24 mA per channel Built-in PWM dimming and pattern generation Low quiescent current for power-sensitive applications Wide input voltage range Thermal shutdown and overcurrent protection Small WLCSP package (suitable for compact designs) Applications Mobile devices and wearables Status indicators and notification LEDs Backlighting and decorative lighting IoT and portable electronics Absolute Maximum Ratings Supply Voltage (VDD): −0.3 V to +6.0 V Logic Input Voltage: −0.3 V to VDD + 0.3 V Operating Temperature Range: −40°C to +85°C Storage Temperature Range: −55°C to +150°C Recommended Operating Conditions Supply Voltage (VDD): 1.8 V to 5.5 V LED Forward Voltage: Dependent on external LEDs Ambient Temperature: −40°C to +85°C Electrical Characteristics (Typical) Supply Current (Idle): < 1 µA (shutdown mode) Channel Current Accuracy: ±5% (typical) Maximum Output Current: ~24 mA per channel I²C Clock Frequency: Up to 400 kHz (Fast Mode) Functional Description The KTD2027BEWE-TR operates as a constant-current sink driver for RGB LEDs. Each channel can be independently programmed via the I²C interface to control brightness and enable dynamic lighting effects. Internal PWM generators allow smooth dimming without requiring continuous microcontroller intervention. The device also integrates protection features such as thermal shutdown and current limiting to ensure reliable operation. Pin Configuration (Typical WLCSP) VDD – Power supply GND – Ground SDA – I²C data line SCL – I²C clock line LED1 – Current sink output (Red) LED2 – Current sink output (Green) LED3 – Current sink output (Blue) Package Information Package Type: WLCSP (Wafer-Level Chip Scale Package) Mounting: Surface mount Tape & Reel: Yes (TR suffix) Ordering Information KTD2027BEWE-TR: Tape and reel packaging for automated assembly #commonpartslibrary #integratedcircuit #leddriver

This is a LoRa based gas leakage detector design featuring a BME680 gas sensor by Bosch Sensortec. It includes a Seeed LoRa module for RF communication and uses an MCU. The power is driven by two non-rechargeable AA batteries with voltage regulation by TPS613221ADBVR IC. The project also incorporates user interaction components such as indicators (LED) and switches. #LoRa #MCU #ReferenceDesign #Module #reusable #module #simple-embedded #seeed #seeed-studio #sublayout

This project is a battery charging circuit utilizing a MAX1555 chip. It features a USB and DC power input, with LED status indicators. The design is outfitted with necessary decoupling capacitors and resistors to ensure smooth operation. #project #Template #charger #reusable #module #batterycharger #MAX1555 #template #bms #analog

Low-Current Chip LED – Yellow-green surface-mount LED for status indication, portable electronics, industrial equipment, and wearable devices. Features a 569 nm dominant wavelength, 1.9 V typical forward voltage at 1 mA, and 2.1 mcd typical luminous intensity. Built using AlGaInP technology, it is optimized for low-current operation (1 mA typical) to minimize power consumption. Packaged in an ultra-small 0402 (1006 Metric, 1.0 × 0.6 × 0.2 mm) clear molded package for high-density PCB designs. Specified for operation over a −40°C to +85°C temperature range with a 54 mW maximum power dissipation. #ROHM #SMLP11MTT86R #PICOLED #ChipLED #YellowGreenLED #0402LED #SMDLED #IndicatorLED #LowCurrentLED #AlGaInP #Optoelectronics #EmbeddedSystems

Yellow 588nm LED Indication - Discrete 2.1V Radial ellow Through-Hole LED for status indication and general-purpose illumination, featuring a 3 mm (T-1) diffused package with a GaAsP/GaP yellow emitter. It operates at a forward voltage of 1.95 V typ. (2.4 V max.) at 10 mA, provides 8 mcd minimum and 15 mcd typical luminous intensity at 10 mA, has a 50° viewing angle, and a 588 nm dominant wavelength (590 nm peak). The device supports a maximum continuous forward current of 30 mA and operates over an ambient temperature range of -40°C to +85°C. #YellowLED #ThroughHoleLED #3mmLED #T1LED #DiffusedLED #GaAsPGaP #IndicatorLED #StatusIndicator #Kingbright #Optoelectronics #CommonPartsLibrary #Optoelectronics #LED #SMD

Jack Modular Connector 8p8c (RJ45, Ethernet) 90° Angle (Right) Unshielded RJ45 Modular Jack — Provides an 8-position, 8-contact (8P8C) Ethernet interface connector with integrated magnetics for PCB mounting. The RJHSE5081 features a through-hole design, supports 10/100 Base-T Ethernet applications, and includes shielded construction with LED indicators as specified in the manufacturer datasheet. #AmphenolICC #RJHSE5081 #RJ45Connector #EthernetConnector #ModularJack #PCBComponent

CONN MOD JACK RJ45 TH The HR911130A is a single-port RJ45 MagJack® Ethernet connector from HanRun Electronics with integrated Ethernet isolation magnetics and green/yellow status LEDs in a compact through-hole, right-angle package. Per the datasheet, it is designed for 100/1000Base-T Ethernet applications and meets or exceeds IEEE 802.3ab requirements, simplifying PCB layout by eliminating the need for external isolation transformers. Key Features Single-port RJ45 connector with integrated Ethernet magnetics Supports 100/1000Base-T Ethernet applications Integrated green/yellow link/activity LED indicators Shielded metal housing for improved EMI performance Through-hole, right-angle PCB mounting Compliant with IEEE 802.3ab Ethernet requirements 1500 Vrms isolation between UTP side and chip side Integrated 4 x 75 ohm termination network and 1000 pF / 2 kV capacitor shown in datasheet Reduces external component count and PCB space RoHS compliant Shield / mechanical notes: footprint pads 15 and 16 are plated through-hole shield/mechanical tabs; pads 17 and 18 are non-plated locating holes. The current schematic exposes pins 1-14 as electrical terminals; shield tabs 15/16 are documented as physical shield/mechanical tabs and are not exposed as separate schematic terminals. Ideal for routers, switches, embedded Ethernet devices, industrial control, IoT equipment, and other 100/1000Base-T network interfaces. #HR911130A #HanRun #RJ45 #MagJack #Ethernet #LAN #IntegratedMagnetics #NetworkConnector #PCB #EmbeddedSystems #IndustrialElectronics #IoT #ThroughHole #IEEE8023ab #1000BaseT

OPSCO SK6812MINI RGBW is an intelligent addressable RGBW LED with an integrated control IC inside a compact 3.7 mm × 3.7 mm surface-mount package. It combines red, green, blue, and dedicated white LEDs with a built-in constant-current driver, allowing individual pixel control through a single-wire serial data interface. Each LED contains an internal data latch, PWM controller, signal reshaping circuit, and cascade output, enabling long chains of individually addressable LEDs without additional external components. Compatible with SK6812 and similar NeoPixel-style protocols, it is widely used in LED displays, decorative lighting, wearable electronics, smart home devices, gaming peripherals, indicators, keyboards, and embedded lighting applications. Features include serial data input/output (DIN/DOUT), integrated PWM dimming, high color consistency, and easy daisy-chain connectivity. Search Keywords: SK6812MINI, SK6812 MINI, RGBW LED, addressable RGBW LED, intelligent LED, NeoPixel compatible LED, smart RGB LED, serial controlled LED, individually addressable LED, DIN DOUT LED, programmable LED, LED pixel, embedded lighting LED, digital RGBW LED, SMD RGBW LED, LED strip pixel, SK6812 LED driver Hashtags: #SK6812MINI #SK6812 #RGBW #AddressableLED #SmartLED #NeoPixel #DigitalLED #LEDPixel #EmbeddedLighting #LEDDisplay #Arduino #ESP32 #IoT #WearableElectronics #PCBDesign #LightingControl #SMDLED #ElectronicComponents #LEDDriver #RGBLEDProgrammable LED; RGBW; SMD; 3535,PLCC4; 3.75.5VDC; 3800-4200K

This is a LoRa-based door and window sensor incorporating a microcontroller unit (MCU). It features a reed sensor, LED indicators, a AAA non-rechargeable battery, and a booster IC for constant voltage. The MCU is linked to peripherals through nets, ensuring optimal performance #LoRa #MCU #ReferenceDesign #Module #reusable #module #simple-embedded #seeed #seeed-studio #sublayout