802.15.4, Bluetooth, NFC Bluetooth v5.2, NFC, Thread, Zigbee Transceiver Module 2.4GHz Integrated, Chip Surface Mount BL5340 module

33V (Typ) Clamp 2.7A (8/20µs) Ipp Tvs Diode Surface Mount 2-X1SON (1x0.6) The ESD601-Q1 is a bidirectional ESD protection diode. The ESD601-Q1 is offered in the industry standard 0402 (DPY) package, and offers an IEC 61000-4-2 protection level of 15kV. The device can clamp 8/20μs surges with peak pulse currents up to 2.7A in accordance with the IEC 61000-4-5 standard. The low capacitance and low leakage current provide protection against transient events in a variety of systems and applications. This protection is key for many applications, such as smaller form factors and faster data speeds, which are becoming more popular over time. Features • IEC 61000-4-2 ESD Protection: – ±15kV contact discharge – ±15kV air gap discharge • ISO 10605 (330pF, 330Ω) ESD Protection: – ±12kV contact discharge – ±15kV air-gap discharge • IEC 61000-4-5 surge protection: – 2.7A (8/20µs) • I/O capacitance: 0.3pF (typical) • Ultra low leakage current: 1nA (typical) • Low dynamic resistance 0.9Ω (typical) • Industry standard 0402 package 2 Applications • Automotive Antenna ESD Protection • RF Signal ESD Protection • Near Field Communications (NFC) • Automotive SerDes w/Power over Coax • USB Type-C (short-to-Vbus tolerant) #CommonPartsLibrary #Diode #TVS

Seeed Studio XIAO nRF52840 Plus, powered by Nordic chipset with FPU, brings more SMD pins to our popular Bluetooth-enabled board. While maintaining all the capabilities of the standard version including Bluetooth 5.0, NFC, and low power consumption, this Plus variant features redesigned castellations and pad layout on the back, offering 9 additional GPIOs specifically for advanced Bluetooth projects requiring expanded I/Os via SMD board-to-board soldering.

Bluetooth Low Energy 5.0 SiP module, nRF52832-based, 6.5 x 6.5 x 1.15 mm 52-pad package with optional internal or external antenna The ANNA-B112-01B is an ultra-compact, stand-alone Bluetooth® Low Energy (BLE) 5 module developed by u-blox. It is built around the Nordic nRF52832 SoC, which integrates a powerful Arm Cortex-M4 processor with FPU, RF circuitry, memory, and antenna in a single System-in-Package (SiP). This module is designed for industrial and IoT applications, offering a combination of high performance, low power consumption, and small size. It supports both host-controlled operation (AT commands via u-connectXpress) and standalone embedded applications (open CPU mode), giving designers flexibility in system architecture. 🔑 Key Features 🧠 Processing & Memory 64 MHz Arm Cortex-M4 CPU with FPU 512 KB Flash and 64 KB RAM Supports open CPU (run user firmware directly on module) 📡 Wireless Connectivity Bluetooth 5.0 (BLE) compliant Supports: GATT client & server Bluetooth mesh Simultaneous central + peripheral roles Data rate up to 2 Mbps 📶 RF & Antenna Operates at 2.4 GHz ISM band Integrated chip antenna Optional external antenna via antenna pin Range up to ~160 m (internal antenna) 🔌 Interfaces & Peripherals Communication interfaces: UART, SPI, I²C, I²S Additional features: ADC (12-bit) PWM, PDM Up to 25 GPIOs Supports NFC (for pairing / data) ⚙️ Software & Development Comes with u-connectXpress firmware: AT command interface Serial Port Service (SPS) Easy integration without deep BLE stack knowledge Supports development using: Nordic SDK Arm Mbed Supports FOTA (Firmware Over-The-Air updates) 🔋 Power & Electrical Supply voltage: 1.7V to 3.6V Optimized for low-power applications Sleep current as low as ~300 nA 📦 Physical Characteristics Ultra-compact size: 6.5 × 6.5 × 1.2 mm Package: 52-pin SMD module Operating temperature: –40°C to +85°C 🌍 Certifications Globally pre-certified (FCC, CE, etc.) Reduces time and cost for product certification

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