LEDs
A LED (light-emitting diode) is a small, energy-efficient light source that is commonly used in a variety of applications. LED technology has advanced significantly in recent years, making it a popular choice for a wide range of lighting needs. LEDs are known for their low power consumption, long lifespan, and ability to produce a bright, directional light. One of the primary use cases for LEDs is in general lighting, where they are used in everything from residential and commercial lighting to automotive and aviation lighting. LEDs are also commonly used in electronic displays, such as TVs, computer monitors, and smartphones, as well as in signaling and indication applications, such as traffic lights and exit signs. If you are looking for high-quality LED resources, flux.ai has the world's largest community-driven public library of LED footprints, symbols, datasheets, and simulation models. Whether you are a designer, engineer, or manufacturer, you can find the resources you need to work with LEDs in your projects.
MMBT3904LT1G
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
2.1k Uses0 StarsB2B-PH-K-S
JST PH Connector Header Through Hole 2-pin 0.079" (2.00mm) battery connector JST PH 2 pin The B2B-PH-K-S is a 2-position vertical header connector with a 2.0 mm pitch, designed for mating with JST PH series crimp housings (e.g., PHR-2). It is commonly used in consumer electronics, battery connections, and small embedded systems due to its compact size and secure locking mechanism. Key Features Series: JST PH Series Number of Pins: 2 Pitch: 2.0 mm Mounting Type: Through-hole (vertical) Contact Type: Male pin header Mating Type: Friction lock (secure connection) Current Rating: ~2 A (typical, depends on wire and conditions) Voltage Rating: ~100 V Contact Material: Copper alloy (tin-plated) Housing Material: UL94V-0 rated plastic (flame-retardant) Operating Temperature: Typically -25°C to +85°C Typical Applications Battery connectors (Li-ion/LiPo packs) Power supply connections in small devices Embedded systems (e.g., Arduino, sensors) Consumer electronics (fans, LEDs, small appliances) #CommonPartsLibrary #Connector #Header #JST-PH
2.3k Uses0 StarsNE555P
555 Type, Timer/Oscillator (Single) IC 100kHz 8-PDIP NE555 DIP-8 through hole The NE555P is a classic and widely used precision timer IC manufactured by companies like Texas Instruments and others. It belongs to the popular 555 timer family and is designed for generating accurate time delays, oscillations, and pulse signals. The “P” variant refers to the PDIP (Plastic Dual In-line Package), making it ideal for through-hole mounting, breadboarding, and prototyping. NE555P PDIP-8 timer Internally, the NE555P consists of: Two comparators A flip-flop A discharge transistor A voltage divider network These blocks allow flexible configuration for timing and waveform generation. Key Features Timing & Operation Modes Monostable mode (one-shot pulse generation) Astable mode (continuous oscillator) Bistable mode (flip-flop operation) Electrical Characteristics Supply voltage range: 4.5V to 16V Output can source or sink up to 200 mA Adjustable duty cycle Performance High timing accuracy and stability Timing range from microseconds to hours (depends on external R and C) Temperature-stable operation Package & Usability 8-pin DIP (through-hole) package Easy to use for: Breadboards DIY electronics Educational projects Common Applications LED flashers and blinkers Pulse generation Time delay circuits PWM control (e.g., dimming LEDs, motor speed control) Tone/sound generation #Timer #commonpartslibrary
2.5k Uses0 StarsR-RJ45R08P-2006
Dual-port shielded RJ45 receptacle with right-angle through-hole mounting, gold-plated phosphor-bronze contacts, and no integrated LEDs. Designed for Ethernet/network connectivity in PCB applications; operates from 0 °C to +70 °C. #RJ45 #Ethernet #ModularConnector #NetworkConnector #ThroughHole #RightAngle #Shielded #DualPort
9 Uses0 Stars
