Mini 2.45 GHz Antenna The 2450AT18A100E is a high-frequency ceramic SMT antenna featuring a small 3.2 mm × 1.6 mm × 1.3 mm package, optimized for space-constrained RF designs. It operates from 2400 MHz to 2500 MHz with a 50 Ω impedance and provides a compact alternative to traditional PCB trace antennas while maintaining reliable RF performance. Key Features Operating Frequency: 2400 MHz – 2500 MHz (2.4 GHz ISM Band) Center Frequency: 2450 MHz Antenna Type: Mini Ceramic Chip Antenna / SMT RF Antenna Package Size: 3.2 mm × 1.6 mm × 1.3 mm Impedance: 50 Ω Peak Gain: Approximately +0.5 dBi (typical) Average Radiation Efficiency: Approximately 76% (based on Johanson evaluation board) Maximum Input Power: 2 W continuous wave (CW) Operating Temperature Range: -40 °C to +125 °C Mounting Type: Surface Mount Technology (SMT) Applications: Bluetooth / BLE devices Wi-Fi 2.4 GHz modules Zigbee / IEEE 802.15.4 systems IoT sensors and embedded wireless products #2450AT18A100E #JohansonTechnology #ChipAntenna #SMTAntenna #RFDesign #2GHzAntenna #Bluetooth #WiFi #Zigbee #IoT #WirelessCommunication #EmbeddedSystems #PCBDesign #RFAntenna #Antena #Chip #SurfaceMount

260 Position SODIMM DDR4 SDRAM Socket Surface Mount SO-DIMM memory socket for connecting DDR4 memory modules to a printed circuit board. It features 260 positions with a right-angle, surface-mount configuration, 0.5 mm contact pitch, 9.2 mm stack height, 1.2 V DRAM support, and a maximum contact current rating of 0.5 A, with an operating temperature range of -55°C to +85°C. #MemoryConnector #SODIMMSocket #DDR4 #260Position #SurfaceMount #RightAngle #TEConnectivity #CommonPartsLibrary #Connector #Module-Socket

16 MHz ±15ppm Crystal 8pF 60 Ohms 4-SMD, No Lead The CX3225SB16000D0GZJC1, manufactured by Kyocera AVX, is a 16.000 MHz crystal oscillator element designed to provide precise frequency reference for microcontrollers, communication ICs, and digital systems. It belongs to the CX3225SB series, known for compact size and stable frequency performance. Key Characteristics Type: Quartz crystal (passive frequency component) Frequency: 16 MHz Load Capacitance: 8 pF Frequency Stability: ±15 ppm Frequency Tolerance: ±15 ppm Operating Mode: Fundamental ESR (Equivalent Series Resistance): ~60–80 Ω Mechanical Details Package: 4-SMD, no-lead (surface mount) Size: 3.2 mm × 2.5 mm (3225 package) Height: ~0.6 mm (low profile) Operating Conditions Temperature Range: −25°C to +85°C Mounting Type: Surface mount (SMT) Function (Simple Explanation) This component: Generates a stable clock signal (16 MHz) Acts as the timing reference for MCUs, processors, or RF modules Works together with internal oscillator circuits inside ICs Microcontroller clock sources (e.g., ESP32, STM32, AVR) Communication modules Embedded systems Consumer electronics IoT devices #CommonPartsLibrary #Crystal #Oscillator #resonator

BergStak 0.40mm, 100 position, Receptacle, 4mm stack height 100 Position Connector Receptacle, Center Strip Contacts Surface Mount Gold 10164227-1004A1RLF is a high-density board-to-board mezzanine connector from Amphenol ICC (FCI), part of the BergStak® 0.40 mm series. It is designed for compact electronic systems that require reliable high-speed signal interconnection between stacked PCBs. This component is a 100-position, surface-mount receptacle connector with center strip contacts. It uses a 0.40 mm pitch to support very high pin density in a small footprint. It is commonly used in applications like smartphones, industrial modules, embedded computing, and other space-constrained electronic assemblies. Key Features 100 positions for high-density signal routing 0.40 mm fine pitch for compact PCB designs Board-to-board mezzanine (receptacle type) Surface-mount (SMT) mounting for automated assembly Center strip contact design for stable mating Gold-plated contacts for improved conductivity and corrosion resistance Mated stacking height around 4 mm Low-profile design suitable for thin electronic devices Typical Applications Smartphones and mobile devices Wearable electronics Industrial control modules Embedded computing boards Communication and networking equipment #AmphenolICC #FCI #BergStak #BoardToBoardConnector #MezzanineConnector #0_40mmPitch #SurfaceMount #HighDensityConnector #100PositionConnector #ElectronicsComponents

Connector Header Through Hole, Right Angle 6 position 0.118" (3.00mm) The Molex 0430450623 is a 6-position, dual-row, right-angle through-hole header with a 3.00 mm pitch, part of the Micro-Fit 3.0 (43045 series) connector family. It is commonly used for compact, high-reliability power and signal connections in industrial, automotive, and electronic systems. Key Features Series: Molex Micro-Fit 3.0 (43045) Number of positions: 6 pins (2 rows) Pitch: 3.00 mm (0.118") Mounting type: Through-hole, right-angle PCB mount Contact type: Male pin header Current rating: up to ~8 A (depending on wire gauge) Voltage rating: 600 V Contact material: Brass Contact finish: Gold (mating side), Tin (tail side) Locking mechanism: Latch / ramp for secure mating Operating temperature: -40°C to +105°C Flammability rating: UL94 V-0 housing material Housing material: Glass-filled LCP (Liquid Crystal Polymer) Board retention: PCB lock / press-fit retention feature Typical Applications Automotive electronics Industrial control systems Power distribution modules Consumer appliances Telecommunications equipment Medical devices #CommonPartsLibrary #Connector #Molex #MicroFit3_0 #0430450623 #Connector #RightAngleHeader #3mmPitch #WireToBoard #PowerConnector #PCBHeader

Battery Retainer Coin, 24.5mm 1 Cell SMD (SMT) Tab BAT-HLD-006-SMT is a surface-mount coin-cell battery holder designed for secure retention of a single CR2450 lithium coin battery in compact PCB applications. Manufactured by TE Connectivity, it provides a low-profile, reliable power solution for embedded systems, wireless sensors, IoT devices, medical electronics, and backup power circuits. The holder features a horizontal battery orientation, phosphor bronze construction, and nickel-plated contacts for durability and dependable electrical performance. Key Features Supports one CR2450 coin-cell battery Surface-mount (SMT) PCB installation Horizontal battery orientation for low-profile designs Nickel-plated contacts for reliable conductivity and corrosion resistance Phosphor bronze construction for mechanical durability Maximum contact current rating of 1 A Compact design with approximately 6.88 mm height above PCB Suitable for automated assembly and reflow soldering processes Ideal for RTC backup, wireless modules, portable electronics, and IoT devices #BatteryHolder #CR2450 #CoinCellHolder #SMT #SurfaceMount #TEConnectivity #PowerManagement #EmbeddedSystems #IoT #PCBDesign #Electronics #BatteryRetainer #HardwareDesign #ElectronicComponents

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

Audio D/A Converter ICs SABRE 8 Channel Smart DAC with Line Drivers, ASP2, 7mmx7mm, 48-QFN The ES9082Q is a high-performance stereo digital-to-analog converter (DAC) developed by ESS Technology for premium audio applications requiring exceptional sound quality, low power consumption, and compact integration. It utilizes the patented HyperStream® architecture and Time Domain Jitter Eliminator technology to deliver highly accurate audio reproduction with ultra-low distortion and noise characteristics. The device supports high-resolution PCM and DSD audio formats, making it suitable for portable audio devices, USB DACs, digital media players, automotive infotainment systems, wireless audio products, and professional audio equipment. The ES9082Q integrates advanced digital filtering, low-jitter clock management, and flexible audio interface support while maintaining efficient power operation for battery-powered applications. Designed for compact embedded audio systems, the ES9082Q provides excellent dynamic range and signal fidelity while minimizing external component requirements. Its architecture enables high-quality playback performance across a wide range of consumer and industrial audio applications. Electrical Characteristics Supply voltage supports low-voltage digital and analog power domains optimized for portable and embedded applications. The device operates with low power consumption while maintaining high audio performance. Integrated power management supports efficient system-level implementation. Audio Performance The converter supports high-resolution stereo audio output with advanced oversampling and noise shaping technology. It delivers ultra-low total harmonic distortion plus noise performance and high dynamic range suitable for high-fidelity audio playback systems. PCM audio data rates support standard and high-resolution formats up to 32-bit depth with sampling frequencies extending to high-definition audio ranges. Native DSD playback capability is also supported for audiophile-grade applications. Digital Audio Interface The ES9082Q supports industry-standard serial audio interfaces including I²S, left-justified, and related digital audio communication protocols. Flexible master and slave clocking configurations enable compatibility with a wide variety of host processors and audio controllers. Integrated jitter suppression circuitry improves clock stability and minimizes timing-induced audio artifacts. Integrated Features The device incorporates digital interpolation filters, volume control functions, soft mute capability, and programmable audio processing features. Internal PLL and clock management circuitry reduce external timing component requirements. Built-in low-noise analog output stages simplify audio signal chain design and reduce overall PCB footprint. Package Information The ES9082Q is provided in a compact surface-mount package optimized for space-constrained audio products. The package supports automated assembly and high-density PCB layouts commonly used in portable and embedded systems. Typical Applications Applications include portable audio players, USB DAC modules, wireless speakers, automotive audio systems, headphones, digital amplifiers, embedded multimedia devices, smart home audio equipment, and professional audio playback systems. #commonpartslibrary #integratedcircuit #audioic #dac #stereodac #esstechnology #es9082q #highresolutionaudio #audiophile #digitalaudio #analogaudio #i2s #dsd #pcm #embeddedaudio #consumerelectronics #portableaudio #usbdac #hifi #signalprocessing #lownoise #lowdistortion #electronicsdesign #pcbdesign #hardwareengineering #electroniccomponents #semiconductor #mixedsignal #audioelectronics #soundquality

REL-MR- 12DC/21-21AU - Plug-in miniature power relay, with multi-layer gold contact, 2 changeover contacts, input voltage 12 V DC General Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole The Phoenix Contact 2961299 (REL-MR-12DC/21-21AU) is a plug-in miniature power relay designed for reliable switching in industrial automation, control panels, and interface applications. It features a 12 VDC monostable coil, 2 changeover (DPDT) contacts, and hard gold-plated AgNi contacts, making it suitable for switching low-level signals with high reliability. The relay is RT III sealed (wash-proof), ensuring protection against contaminants during PCB cleaning and harsh industrial environments. It is intended for use with compatible Phoenix Contact relay bases and accessories. Key Features 12 VDC monostable coil operation 2 changeover (DPDT) contacts Hard gold-plated AgNi contacts for reliable low-level signal switching RT III sealed (wash-proof) construction Mechanical life: up to 30 million operations 5 kV coil-to-contact isolation Fast operate and release times (typ. 7 ms / 3 ms) Designed for industrial control, PLC interfaces, automation, and switching applications Compatible with Phoenix Contact relay sockets and interface modules #PhoenixContact #Relay #PowerRelay #DPDTRelay #IndustrialAutomation #ControlPanel #PLC #InterfaceRelay #12VDC #ElectromechanicalRelay

Multiprotocol Modules ESP32-C61-based module supporting 2.4 GHz Wi-Fi 6(802.11ax) and Bluetooth 5 Low Energy. Ultra-low power, compact size, high cost performance, and rich peripheral interfaces. #Module #RF-Transceiver #ESP32-C61