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

The DW01A is a compact single-cell lithium-ion/lithium-polymer battery protection IC designed to safeguard rechargeable batteries from unsafe operating conditions such as overcharge, overdischarge, overcurrent, and short circuits. It is widely used in battery packs, power banks, TP4056 charging modules, portable electronics, and IoT devices because of its low power consumption and minimal external component requirements. Key Features Single-cell Li-ion/Li-Po battery protection Overcharge protection (typically 4.3V) Overdischarge protection (typically 2.4V) Overcurrent and short-circuit protection Ultra-low quiescent current (~3µA typical) Very low standby/discharge current Drives external dual MOSFETs for charge/discharge control Internal delay timers for noise immunity No external timing capacitors required Compact SOT-23-6 package Wide operating voltage range Automatic recovery after fault removal Typical Applications 18650 battery protection boards Power banks Bluetooth devices Wearables Portable consumer electronics DIY battery-powered projects TP4056 charging modules with protection circuitry #CommonPartsLibrary #IntegratedCircuit #PowerManagement

BATTERY HOLDER CYLINDRICAL 18650 SMD BH-18650-B1BA002 is a surface-mount (SMD) battery holder designed for a single 18650 lithium-ion cylindrical cell. It is commonly used in portable electronics, battery-powered IoT devices, embedded systems, power banks, and rechargeable battery applications where a removable 18650 battery is required. The holder is manufactured by MYOUNG and is intended for direct PCB mounting. Key Features Supports 1× 18650 cylindrical Li-ion battery Horizontal PCB-mount design for compact layouts Surface-mount (SMD) terminals for automated assembly Gold-plated contacts for improved conductivity and corrosion resistance Phosphor bronze contact material for durability and reliable spring force Operating temperature range of approximately -25°C to +85°C RoHS compliant Suitable for rechargeable battery-powered products and prototyping applications Typical Applications Portable electronic devices Battery backup systems Wireless sensors and IoT nodes DIY electronics projects Embedded control systems Rechargeable battery-powered equipment

CONN SOCKET 4POS 2.54mm SINGLE ROW TH This connector consists of a single row of 4 electrical pins spaced 2.54 mm apart. It is typically available as a male pin header, female header, or wafer connector depending on the application. The part is commonly used for power, signal, UART, GPIO, sensor, and programming connections in embedded systems and prototyping. Key Features 2.54 mm pitch spacing Industry-standard spacing compatible with breadboards and jumper wires 1x4 configuration Single row with 4 contacts/pins Compact PCB connection solution Suitable for board-to-board or wire-to-board applications Easy solder mounting Typically through-hole (THT), though SMT variants may exist Wide compatibility Works with Arduino, Raspberry Pi modules, sensors, and development boards Durable metal contacts Usually tin- or gold-plated for reliable electrical connection Multiple orientations available Straight vertical or right-angle versions Low-cost and widely available Commonly used in consumer electronics and DIY projects Common Applications GPIO and sensor connections UART / serial interfaces Power input/output headers Embedded system prototyping Module interconnections Debug and programming interfaces #CommonPartsLibrary #Connector