Small and thin surface-mount crystal units NX1612SA-32MHZ-STD-CIS-3 is a compact surface-mount quartz crystal oscillator designed for stable clock generation in embedded electronic systems and wireless communication devices. Manufactured in a miniature ceramic package, this crystal provides precise frequency control with low phase noise and high frequency stability, making it suitable for microcontrollers, RF modules, IoT devices, and portable electronics. The device operates at a nominal frequency of thirty-two megahertz and is optimized for low power consumption and reliable startup characteristics. Its compact footprint enables integration into high-density PCB layouts while maintaining strong resistance to environmental stress and mechanical vibration. The crystal is compatible with standard oscillator circuits and supports stable operation across industrial temperature ranges. This component is commonly used in timing reference applications, communication systems, sensor modules, wearable devices, and battery-powered embedded platforms requiring accurate and stable clock signals. #commonpartslibrary #crystaloscillator #timingdevice #frequencycontrol #embeddedhardware #wirelesssystems #rfdesign #iotdevices #electronicscomponents #surfacemountdevice

32.768 kHz ±20ppm Crystal 9pF 70 kOhms 2-SMD, No Lead The XTL721-S999-301 specification defines the engineering requirements for a crystal oscillator component intended to provide a stable and accurate timing reference for electronic systems. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure precise frequency generation, reliable operation, and long-term stability in embedded, industrial, communication, and consumer electronic applications. The component is intended for use in applications requiring accurate clock generation and synchronization, including microcontroller-based systems, communication interfaces, digital signal processing, and timing circuits. It provides a highly stable frequency reference with low phase noise and excellent frequency stability to support reliable system operation under varying environmental conditions. Engineering Requirements The crystal component shall be manufactured using high-purity quartz material and precision fabrication processes to ensure consistent resonant frequency characteristics, low aging effects, and dependable long-term performance. The construction shall provide stable oscillation characteristics throughout the specified operating temperature and environmental conditions. Electrical characteristics shall ensure accurate frequency stability, low equivalent series resistance, and reliable oscillation startup when used with compatible oscillator circuits. The component shall maintain stable timing performance under normal supply variations, temperature fluctuations, and continuous operating conditions. Mechanical construction shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. The package shall provide mechanical robustness and resistance to vibration, mechanical shock, thermal cycling, and handling without degradation of electrical performance or structural integrity. Workmanship shall be free from defects including contamination, package cracking, seal failure, lead deformation, or structural inconsistencies that could adversely affect frequency accuracy or operational reliability. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, frequency performance specifications, electrical characterization reports, qualification records, inspection reports, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #CrystalOscillator #QuartzCrystal #TimingDevice #ClockGenerator #EmbeddedSystems #IndustrialElectronics #FrequencyControl #QualityAssurance #EngineeringDocumentation

Buck, Push-Pull Regulator Positive Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 16-DIP SG3525 is a pulse width modulation (PWM) controller IC designed for switch-mode power supply and power conversion control applications. It operates from an 8 V to 35 V supply and integrates a 5.1 V ±1% reference, oscillator with adjustable frequency, error amplifier, PWM comparator, soft-start, undervoltage lockout, and dual totem-pole output stages capable of source/sink drive for external power devices. #STMicroelectronics #SG3525AN #PWMController #SMPS #PowerSupply #PowerManagement #Oscillator #SoftStart #UndervoltageLockout #DualOutput #commonpartslibrary #integratedcircuit #powermanagement #dcdccontroller

1.8432 MHz XO (Standard) TTL Oscillator 5V 14-DIP, 4 Leads (Full Size, Metal Can) 1.8432 MHz 5V DIP-4 oscillator The ECS-100AX-018 is a 1.8432 MHz crystal-based TTL clock oscillator from ECS Inc. designed to provide a stable and accurate clock source for digital systems. It operates from a 5 V supply and delivers a TTL-compatible output, making it suitable for microprocessors, microcontrollers, UART/serial communication circuits, industrial controllers, and legacy digital logic applications. The device is housed in a 14-pin DIP metal can package (4 active leads) for through-hole PCB mounting. Key Features 1.8432 MHz fixed output frequency Crystal-based XO (Crystal Oscillator) architecture 5 V supply voltage TTL-compatible output Frequency stability of ±100 ppm Low maximum supply current of 15 mA Through-hole 14-DIP (4-lead metal can) package Operating temperature range: 0°C to +70°C Suitable for clock generation in digital and communication systems RoHS compliant #ECSInc #ClockOscillator #CrystalOscillator #TTL #1_8432MHz #5V #ThroughHole #DIP14 #TimingDevice #DigitalClock #EmbeddedSystems #IndustrialElectronics #PCBDesign

ESP32-C3-MINI-1-H4 is a compact, low-power wireless module from Espressif Systems built around the ESP32-C3 SoC. It integrates a 32-bit RISC-V processor, 2.4 GHz Wi-Fi, Bluetooth 5 LE, onboard 4 MB flash memory, crystal oscillator, RF matching circuitry, and a PCB antenna in a small surface-mount package. The module is designed for IoT devices, smart home products, industrial automation, wearable electronics, and wireless sensor applications. Key Features 32-bit RISC-V single-core processor with clock speeds up to 160 MHz. 2.4 GHz Wi-Fi 4 (802.11 b/g/n) connectivity. Bluetooth 5 Low Energy (BLE 5.0) support with long-range capability. 4 MB embedded SPI flash memory (H4 variant). 384 KB ROM and 408 KB SRAM for application execution. Integrated PCB antenna for simplified RF design. USB Serial/JTAG controller for programming and debugging without an external USB-to-UART bridge. Multiple peripheral interfaces: UART SPI I²C I²S PWM GPIO ADC USB JTAG Operating voltage range: 3.0 V to 3.6 V. Supports secure boot, flash encryption, and hardware cryptographic acceleration. Compact SMD module suitable for space-constrained designs. Typical Applications Smart home and home automation devices Wireless sensors and data loggers IoT gateways and edge devices Industrial monitoring and control systems Bluetooth beacons Wearable electronics Consumer connected products H4 Variant Note: The ESP32-C3-MINI-1-H4 version includes 4 MB flash memory and supports an extended operating temperature range up to 105°C, making it suitable for more demanding industrial environments. #RF-Transceiver #ESP32 #Module

12 MHz Ceramic Resonator Built in Capacitor 33 pF ±0.2% 30 Ohms -40°C ~ 125°C Surface Mount #CommonPartsLibrary #Crystal #Oscillator #Resonator #CERALOCK® CSTCE

16 MHz XO (Standard) HCMOS, TTL Oscillator 5V 8-DIP, 4 Leads (Half Size, Metal Can) #commonpartslibrary #crystal #oscillator

20 MHz XO (Standard) HCMOS, TTL Oscillator 5V 8-DIP, 4 Leads (Half Size, Metal Can) #commonpartslibrary #crystal #oscillator

12 MHz Ceramic Resonator Built in Capacitor 33 pF ±0.2% 30 Ohms -40°C ~ 125°C Surface Mount #CommonPartsLibrary #Crystal #Oscillator #Resonator #CERALOCK® CSTCE

Ceramic Resonator, 4MHz Fundamental 15pF, 3-Pin Cap Chip, 7.2 x 3 x 1.55mm #CommonPartsLibrary #Crystal #Oscillator #Resonator #CSTCC

32.768 kHz ±20ppm Crystal 8pF 75 kOhms 4-SMD, No Lead #CommonPartsLibrary #Crystal #Oscillator #Resonator #WMRAG

555 Type, Timer/Oscillator (Single) IC 100kHz 8-TSSOP #CommonPartsLibrary #IntegratedCircuit #Clock/Timing #Oscillator #NE555

16 MHz Ceramic Resonator Built in Capacitor 15 pF ±0.3% -20°C ~ 80°C Surface Mount #commonpartslibrary #crystal #oscillator #resonator

8 MHz Ceramic Resonator Built in Capacitor 33 pF ±0.2% -20°C ~ 80°C Surface Mount #commonpartslibrary #crystal #oscillator #resonator

8 MHz ±30ppm Crystal 18pF 100 Ohms 4-SOJ, 9.40mm pitch #commonpartslibrary #crystal #oscillator

Counter/Timer Circuit (CTC), Binary IC 0.1Hz ~ 13MHz 8-PDIP #CommonPartsLibrary #IntegratedCircuit #Clock/Timing #Oscillator #ICM7242

30MHz XO (Standard) TTL Oscillator 5V 14-DIP, 4 Leads (Full Size, Metal Can) #CommonPartsLibrary #Crystal #Oscillator #Resonator #ECS-100X

16 MHz ±30ppm Crystal 18pF 30 Ohms HC-49/US #CommonPartsLibrary #Crystal #Oscillator #Resonator

4 MHz XO (Standard) HCMOS, TTL Oscillator 5V 8-DIP, 4 Leads (Half Size, Metal Can) #commonpartslibrary #crystal #oscillator

555 Type, Timer/Oscillator (Dual) IC 14-PDIP #CommonPartsLibrary #IntegratedCircuit #Clock/Timing #Programmable-Timer #Oscillator #LM556