27.12 MHz ±10ppm Crystal 10pF 50 Ohms 4-SMD, No Lead # 7M-27.120MEEQ-T Crystal Unit Engineering Specification ## General Description The 7M-27.120MEEQ-T is a surface-mount quartz crystal resonator designed to provide a stable and accurate frequency reference for digital, wireless, communication, NFC, RFID, microcontroller, and embedded system applications. Manufactured by TXC Corporation, this crystal offers reliable frequency stability, low equivalent series resistance, and compact packaging suitable for space-constrained designs. Its surface-mount construction enables automated assembly while maintaining excellent electrical performance across a wide range of operating conditions. ## Features * Fundamental mode quartz crystal resonator * Surface-mount device package for automated PCB assembly * High frequency accuracy and stability * Low equivalent series resistance * Low power consumption * Suitable for clock generation and timing circuits * RoHS compliant construction * Reliable performance for industrial and consumer electronics applications ## Electrical Characteristics * Nominal Frequency: 27.120 MHz * Crystal Type: Fundamental Mode * Load Capacitance: 10 pF * Frequency Tolerance: ±20 ppm * Frequency Stability: ±20 ppm * Equivalent Series Resistance: 60 Ω Maximum * Drive Level: Low-power operation * Operating Temperature Range: Industrial grade * Storage Temperature Range: Extended environmental capability ## Mechanical Characteristics * Package Type: Surface-Mount Crystal * Mounting Style: SMD/SMT * Compact footprint optimized for high-density PCB layouts * Four-pad no-lead package construction ## Applications * PN532 NFC Controllers * RFID Readers and Writers * Microcontroller Clock Sources * Wireless Communication Modules * Embedded Systems * Industrial Control Electronics * Consumer Electronic Devices * IoT and Smart Device Platforms ## Compliance * RoHS Compliant * Lead-Free Construction * Suitable for Automated Assembly Processes #7M27_120MEEQT #TXC #CrystalResonator #SMDCrystal #QuartzCrystal #27_120MHz #PN532 #NFC #RFID #EmbeddedSystems #TimingReference #ElectronicsDesign

10 µH Shielded Drum Core, Wirewound Inductor 7.5 A 30mOhm Max Nonstandard # Engineering Specification ## Product Name SRP1038A-100M ## General Description SRP1038A-100M is a shielded surface mount power inductor designed for use in high-efficiency DC-DC conversion and power management applications. The device is intended to support energy storage and current smoothing functions in switching regulator circuits, where stable inductance performance and low power loss are critical. The inductor utilizes a ferrite core construction with a shielded magnetic structure to minimize electromagnetic interference and reduce magnetic flux leakage. This enables improved circuit density and reduced noise coupling in compact electronic assemblies. The design is optimized for use in high current power conversion systems, including buck converters, point-of-load regulators, and distributed power architectures. The component is widely used in industrial, automotive, telecommunications, and embedded systems where reliable energy transfer, thermal stability, and efficient power delivery are required. Its surface mount form factor supports automated PCB assembly and compact system integration while maintaining mechanical robustness under thermal and electrical stress. The design emphasizes low direct current resistance, high current handling capability, and stable inductance behavior under load conditions. It is suitable for applications requiring efficient power conversion with minimal energy loss and stable electromagnetic performance. ## Functional Requirements ### Energy Storage The device shall store energy in a magnetic field during switching operation in power conversion circuits. ### Current Filtering The device shall smooth current ripple in switching regulator applications to maintain stable output conditions. ### Electromagnetic Shielding The device shall reduce electromagnetic interference through a shielded magnetic structure. ### Power Conversion Support The component shall support efficient operation in DC-DC conversion systems. ## Electrical Requirements ### Inductive Performance The device shall provide stable inductance characteristics suitable for power conversion and filtering applications. ### Low Loss Operation The inductor shall minimize resistive and core losses to improve overall system efficiency. ### High Current Capability The device shall support operation under elevated current conditions typical of switching power supplies. ### Thermal Stability The inductor shall maintain performance consistency under thermal loading and temperature variation. ## Mechanical Requirements ### Surface Mount Package The device shall be supplied in a surface mount configuration suitable for automated PCB assembly processes. ### Structural Integrity The component shall withstand mechanical stress during assembly, operation, and thermal cycling. ### PCB Integration The design shall support compact layout integration in multilayer printed circuit board systems. ## Environmental Requirements ### Operating Conditions The device shall operate reliably under conditions typical of industrial and embedded electronic systems. ### Thermal Performance The component shall maintain stable operation under continuous power cycling and heat generation. ### Storage and Handling The device shall retain structural and electrical integrity during storage, transportation, and handling. ## Quality Requirements ### Reliability The inductor shall provide consistent long-term performance under continuous electrical and thermal stress. ### Verification Electrical and thermal characteristics shall be validated through appropriate qualification and testing procedures. ### Compliance The product shall conform to applicable standards for magnetic components used in power electronics applications. ## Documentation Requirements Technical documentation shall include application guidance, layout recommendations for switching power designs, thermal considerations, electrical characteristics, and integration practices for DC-DC converter systems. ## Classification Tags #SRP1038A100M #PowerInductor #ShieldedInductor #SMDInductor #MagneticComponent #EnergyStorageInductor #DCDCConverter #BuckConverter #PowerElectronics #SMPSDesign #ElectromagneticCompatibility #EMIShielding #PCBDesign #ElectricalEngineering #EmbeddedPower #IndustrialElectronics #AutomotiveElectronics #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #PowerManagement #CircuitDesign #HighCurrentInductor

Voltage Level Translator Unidirectional 1 Circuit 2 Channel 200Mbps 8-X1SON (1.95x1) The TXU0202DTTR specification defines the engineering requirements for a dual-bit voltage level translator integrated circuit designed for bidirectional logic-level conversion between digital interfaces operating at different supply voltages. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure reliable signal translation, high-speed communication, and long-term operational stability in embedded electronic systems. The device is intended for use in embedded controllers, microprocessor and microcontroller systems, communication interfaces, industrial automation equipment, consumer electronics, and portable devices requiring voltage compatibility between digital subsystems. It enables seamless signal transfer while preserving logic integrity, minimizing propagation delay, and supporting low-power operation in compact electronic designs. Engineering Requirements The voltage level translator shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure consistent electrical performance, low power consumption, and dependable long-term reliability. The device shall maintain stable operation under specified voltage, temperature, and environmental operating conditions. Electrical characteristics shall provide accurate bidirectional logic-level translation with low propagation delay, high noise immunity, and reliable input and output switching performance. The device shall maintain signal integrity during continuous operation, power sequencing, and dynamic switching conditions without introducing excessive distortion or timing errors. The integrated translation architecture shall support independent voltage domains while ensuring reliable communication between connected digital devices. The device shall maintain stable performance across varying supply voltages and logic frequencies while minimizing leakage current and preserving overall system efficiency. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical integrity and long-term reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of electrical or mechanical performance. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect functionality or 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, electrical performance specifications, timing diagrams, application guidelines, qualification reports, inspection records, 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 #VoltageLevelTranslator #LogicLevelShifter #DigitalInterface #EmbeddedSystems #Semiconductor #SignalIntegrity #IndustrialElectronics #QualityAssurance #EngineeringDocumentation

Audio D/A Converter ICs 2VRMS DirectPath Aud io Stereo DAC 20-TSSOP The PCM5102AQPWRQ1 specification defines the engineering requirements for an automotive-grade digital-to-analog audio converter integrated circuit intended for high-performance digital audio applications. The specification establishes the functional, electrical, mechanical, thermal, and quality requirements necessary to ensure reliable conversion of digital audio signals into high-fidelity analog outputs. It serves as the governing technical reference for component selection, system integration, manufacturing, verification, and quality assurance throughout the product lifecycle. The device is designed to provide high-resolution audio performance with low distortion, low noise, and stable operation under automotive environmental conditions. It is suitable for use in infotainment systems, digital audio processing equipment, communication systems, and other embedded electronic applications requiring reliable digital-to-analog signal conversion. Engineering Requirements The component shall be manufactured using qualified semiconductor fabrication processes and approved materials to ensure consistent electrical performance, mechanical integrity, and long-term reliability. The device shall comply with applicable automotive qualification requirements and maintain stable operation within its specified voltage, temperature, and environmental operating ranges. Electrical performance shall meet the specified requirements for signal integrity, dynamic range, total harmonic distortion, noise performance, and output accuracy. The package shall be compatible with standard surface-mount assembly processes and shall withstand soldering and handling conditions without degradation. Workmanship shall be free from physical defects, contamination, package damage, or manufacturing irregularities that could affect functionality or reliability. Inspection, testing, and validation shall be performed using calibrated equipment and controlled procedures to verify compliance with all applicable engineering and quality requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approved change authorization prior to implementation. Documentation Supporting documentation shall include engineering drawings, electrical specifications, qualification reports, material declarations, inspection records, manufacturing documentation, and revision-controlled technical files. All documentation shall be maintained in accordance with established engineering configuration management and quality control procedures. Revision Control Changes to this specification shall be managed through the formal engineering change control process. All revisions shall undergo technical review, validation, and approval to ensure continued compliance with design intent, automotive quality standards, and applicable regulatory requirements. #EngineeringSpecification #AutomotiveElectronics #DigitalToAnalogConverter #AudioEngineering #EmbeddedSystems #QualityAssurance #Semiconductor #EngineeringDocumentation #Compliance #CommonPartsLibrary #IntegratedCircuit #Data-Acquisition #ADCs #DACs #PCM5102

Temp Monitoring System (Sensor) -55°C ~ 125°C Internal Sensor I2C Output 8-TDFN (3x3) #commonpartslibrary #integratedcircuit #powermanagement #thermometer

Supervisor Open Drain or Open Collector 1 Channel SOT-23-3 The MCP120T-450I/TT is a microcontroller supervisory (voltage reset) IC from Microchip Technology designed to monitor the system supply voltage and ensure reliable startup and operation of microcontroller-based systems. It keeps the microcontroller in the reset state until the supply voltage reaches a safe operating level and automatically asserts a reset signal if the supply voltage falls below the preset threshold, protecting the system from brown-out and power-failure conditions. The device features an open-drain active-low RESET output, a 4.375 V threshold, and is housed in a compact SOT-23-3 package, making it suitable for space-constrained embedded applications. Key Features Monitors a single supply voltage with a 4.375 V reset threshold Open-drain, active-low RESET output Holds the microcontroller in reset during power-up until VDD is stable Automatically resets the system during brown-out or power-loss events 150 ms minimum reset timeout after VDD exceeds the threshold Supports 3 V, 3.3 V, and 5 V system supervision Low operating current (typically 45 µA) Wide operating temperature range: −40°C to +85°C Compact SOT-23-3 surface-mount package Hashtags #Microchip #MCP120 #VoltageSupervisor #ResetIC #BrownOutProtection #PowerOnReset #PMIC #EmbeddedSystems #Microcontroller #SOT23 #PowerManagement #CircuitProtection