5-Position DIP Switch – 5-position SPST slide DIP switch for manual configuration and logic selection, rated for 25 mA at 24 VDC. Features surface-mount gull-wing terminals with 2.54 mm pitch, raised slide actuators, gold-plated beryllium copper contacts, and a polyphenylene sulfide (PPS) housing. Specified for an operating temperature range of −40°C to +85°C with 1,000 mechanical and electrical cycles. #CKSwitches #SDA05H1SBD #DIPSwitch #SlideSwitch #SPST #5Position #SurfaceMount #GullWing #2_54mmPitch #ConfigurationSwitch #EmbeddedSystems

Wi-Fi® 4 + Bluetooth® 5 LE System-in-Package (SiP) MCU – Highly integrated 2.4 GHz wireless System-in-Package (SiP) featuring an ESP32-S3 dual-core Xtensa® LX7 microcontroller for IoT devices, smart home products, AIoT, edge computing, industrial automation, HMI, wearable devices, and embedded wireless applications. Operates at up to 240 MHz with 8 MB embedded Flash and 2 MB embedded PSRAM, eliminating the need for external memory and reducing PCB size. Supports Wi-Fi 802.11 b/g/n and Bluetooth® 5 LE (including Long Range and 2 Mbps PHY), with up to +20 dBm transmit power and 150 Mbps Wi-Fi data rate. Features native USB 2.0 OTG, vector instructions for AI acceleration, 45 programmable GPIOs, SPI, I²C, I²S, UART, USB, RMT, LCD/Camera interface, PWM, TWAI® (CAN), ADC, touch sensing, AES-XTS, SHA, RSA, ECC, HMAC, secure boot, Flash encryption, and a true random number generator (TRNG) for secure embedded applications. Operates from a 3.0 V to 3.6 V supply, over a −40°C to +85°C temperature range, and is housed in a compact 56-pin QFN (7 × 7 mm) package. #EspressifSystems #ESP32S3PICO1N8R2 #ESP32S3 #WirelessMCU #SystemInPackage #WiFi #Bluetooth5LE #DualCore #XtensaLX7 #USBOTG #AIoT #EmbeddedSystems

PCB-Mount Mini Blade Fuse Holder – Single-circuit through-hole fuse holder for Mini (ATM/FK1) automotive blade fuses used in automotive, commercial vehicle, industrial, and power distribution applications. Features a 32 V operating voltage (125 VDC maximum per manufacturer datasheet), 30 A maximum current rating, vertical PCB mounting, and PC pin through-hole termination. Constructed with tin-plated copper alloy spring contacts and a heat-resistant UL94 V-0 thermoplastic housing, supporting 7.62 mm terminal pitch for easy PCB layout. Designed for Mini (ATM/FK1) blade fuses and suitable for modular row mounting. #Littelfuse #17867640001 #FL1 #FuseHolder #MiniBladeFuse #ATMFuse #PCBMount #ThroughHole #Automotive #CircuitProtection #PowerDistribution #EmbeddedSystems

M8 Circular Connector – 4-position female panel-mount circular connector for industrial signal interconnection. Features through-hole solder termination, straight orientation, threaded coupling, shielded metal shell, IP67 ingress protection, 3 A current rating, 30 VAC operating voltage, and gold-plated socket contacts. Includes a copper alloy shell with nickel plating, board lock, keyed polarization (A-code), and operates over a −40°C to +85°C temperature range. Designed for panel and PCB mounting in automation, industrial, and telecommunications applications. #TEConnectivity #AMP #T4041037041000 #M8Connector #CircularConnector #PanelMount #4Position #FemaleConnector #ShieldedConnector #IP67 #ThroughHole #IndustrialConnector #EmbeddedSystems

24 MHz ±20ppm Crystal 18pF 60 Ohms 4-SMD, No Lead The ABM8G-24.000MHZ-18-D2Y-T is a compact 24.000 MHz surface-mount quartz crystal from Abracon's ABM8G series, designed to provide a stable and accurate clock reference for digital electronic systems. Housed in a miniature 3.2 × 2.5 mm, 4-pad SMD package, it is optimized for space-constrained applications while delivering reliable frequency performance over a wide operating temperature range. This crystal is commonly used in microcontrollers, wireless modules, communication equipment, networking devices, industrial electronics, and precision timing circuits. It operates in the fundamental mode with an 18 pF load capacitance, making it suitable for a broad range of oscillator circuits. Key Features 24.000 MHz fundamental-mode quartz crystal Compact 3.2 × 2.5 × 1.0 mm 4-pad SMD package 18 pF load capacitance ±20 ppm frequency tolerance ±30 ppm frequency stability Maximum 60 Ω ESR Wide operating temperature range: −40°C to +85°C Glass-sealed ceramic package for high reliability Compatible with standard IR reflow soldering processes Low-profile design suitable for compact PCB layouts Ideal for embedded systems, communications, wireless devices, and clock generation applications. #Abracon #QuartzCrystal #24MHz #ABM8G #SMDCrystal #TimingDevice #ClockSource #EmbeddedSystems #WirelessElectronics #IndustrialElectronics #PCBDesign #ElectronicsComponents

SMPS Transformer – Through-hole switching converter transformer for Power over Ethernet (PoE) DC/DC converters, optimized for the Texas Instruments TPS2373. Features 40 V to 57 V primary voltage, 12 V auxiliary winding, 100 µH inductance (at 10 kHz), and supports 200 kHz to 700 kHz switching frequency. Specified for operation over a −40°C to +125°C temperature range with a planar ER19 construction. #WurthElektronik #750343576 #SMPSTransformer #PoE #PowerOverEthernet #DCDCConverter #PowerTransformer #SwitchingTransformer #TPS2373 #ThroughHole #EmbeddedSystems

MPU with Dual Arm Cortex-A35 @1.5GHz, Cortex-M33 @400MHz, 3xEthernet (2+1 switch), 3xFD-CAN, LVDS/DSI, H.264, 3D GPU, AI/NN, Secure Boot, Cryptography, DRAM enc/dec, PKA The STM32MP257FAI3 is a high-performance microprocessor from STMicroelectronics' STM32MP2 series, integrating dual 64-bit Arm Cortex-A35 cores running at up to 1.5 GHz, a Cortex-M33 real-time core, and a Cortex-M0+ low-power management core. It is designed for advanced industrial, edge AI, machine vision, HMI, IoT gateway, and multimedia applications requiring Linux-class processing alongside deterministic real-time control. The device features AI acceleration, 3D graphics, video encoding/decoding, extensive connectivity, advanced security, and support for high-speed external memory. Key Features Dual-core 64-bit Arm Cortex-A35 CPU operating up to 1.5 GHz Arm Cortex-M33 real-time processor with TrustZone and FPU support Arm Cortex-M0+ low-power coprocessor for autonomous operation Integrated NPU (Neural Processing Unit) delivering up to 1.35 TOPS AI performance 3D GPU and hardware video encoder/decoder acceleration Supports DDR3L, DDR4, and LPDDR4 external memory up to 4 GB Multiple display interfaces including MIPI-DSI, LVDS, and parallel RGB USB 2.0 Host and USB 3.0 Dual-Role with embedded PHYs PCI Express interface with integrated 5 Gbps PHY Up to three Gigabit Ethernet interfaces with TSN and IEEE 1588 support Extensive connectivity: I2C, I3C, SPI, UART, USART, CAN FD, SDMMC, SAI, and SPDIF Hardware cryptographic accelerators including AES, SHA, RSA, ECC, PKA, and True RNG Secure boot, TrustZone security, tamper detection, and resource isolation framework Multiple low-power operating modes for energy-efficient designs Available in fine-pitch BGA packages for high-density embedded systems. #STM32MP257FAI3 #STM32MP2 #STMicroelectronics #CortexA35 #CortexM33 #EdgeAI #EmbeddedLinux #IndustrialAutomation #MachineVision #HMI #IoTGateway #MPU #PCIe #USB3 #GigabitEthernet #TrustZone #EmbeddedSystems #ArtificialIntelligence #LinuxProcessor #IndustrialIoT #CommonPartsLibrary #IntegratedCircuit #Microprocessor #STM32MP2

67 Position Female Connector M.2 (NGFF) Mini Card Gold 0.020" (0.50mm) Black # Engineering Specification ## Product Name 2199230-4 ## General Description 2199230-4 is a surface mount board-edge connector designed to support standardized M.2 module interfaces, specifically configured for Key E applications used in wireless communication, embedded computing, and high-speed peripheral expansion systems. The component provides a reliable mechanical and electrical interface between a host printed circuit board and a removable or fixed M.2 module. The connector is engineered to accept gold-finger edge contacts from an M.2 module, enabling secure signal transmission for high-speed data communication, power delivery, and control signaling. Its design supports stable mechanical retention, precise alignment, and consistent electrical contact performance under repeated mating cycles. This component is widely used in industrial computing platforms, telecommunications equipment, IoT devices, and embedded system architectures where modular expansion and standardized connectivity are required. It enables flexible system design by allowing interchangeable M.2 modules for wireless communication, storage, and specialized processing functions. The design emphasizes signal integrity, mechanical durability, and compatibility with high-density PCB layouts. It is suitable for applications requiring robust high-frequency performance and reliable long-term mechanical stability. ## Functional Requirements ### Module Interface The connector shall provide a standardized interface for M.2 Key E module insertion and electrical connection. ### Signal Transmission The connector shall support high-speed electrical signal routing between host systems and M.2 modules. ### Mechanical Retention The connector shall securely retain inserted modules under vibration and operational stress conditions. ### System Modularity The connector shall enable modular expansion and replacement of functional M.2 devices within host systems. ## Electrical Requirements ### Contact Performance The connector shall provide stable electrical contact between gold-finger module pads and host PCB terminals. ### Signal Integrity The design shall support high-frequency signal transmission with minimal loss and interference. ### Power Delivery The connector shall support regulated power distribution to installed M.2 modules. ### Low Resistance Path The electrical interface shall maintain low contact resistance for reliable long-term operation. ## Mechanical Requirements ### Board Edge Mounting The connector shall be mounted on a printed circuit board to accept edge-insertion M.2 modules. ### Alignment and Fit The design shall ensure precise alignment between module contacts and connector terminals. ### Durability The connector shall withstand repeated module insertion and removal cycles without performance degradation. ### Structural Stability The assembly shall maintain mechanical integrity under vibration and operational stress conditions. ## Environmental Requirements ### Operating Conditions The connector shall operate reliably in industrial, commercial, and embedded system environments. ### Thermal Performance The device shall maintain mechanical and electrical stability under elevated operating temperatures. ### Storage and Handling The component shall retain structural and functional integrity during storage, transportation, and assembly processes. ## Quality Requirements ### Reliability The connector shall provide consistent electrical and mechanical performance throughout its operational lifetime. ### Verification Mechanical retention, contact resistance, and signal integrity shall be validated through appropriate qualification testing. ### Compliance The product shall conform to applicable standards governing M.2 interface connectors and high-speed board-edge interconnect systems. ## Documentation Requirements Technical documentation shall include footprint layout guidance, mating interface specifications, signal routing recommendations, mechanical keep-out regions, and application guidelines for M.2 system integration. ## Classification Tags #21992304 #M2Connector #M2KeyE #EdgeCardConnector #GoldFingerInterface #HighSpeedConnector #BoardEdgeConnector #WirelessModuleConnector #PCIeInterface #NGFF #EmbeddedSystems #IoTHardware #TelecomHardware #PCBDesign #MechanicalConnector #SignalIntegrity #HighFrequencyDesign #CommonPartsLibrary #ComponentLibrary #EngineeringSpecification #SystemIntegration #HardwareDesign #TEConnectivity #ModuleInterface #BoardToModule