100 Position Connector Receptacle, Center Strip Contacts Surface Mount Gold It is a 100-pin surface-mount receptacle connector used to connect two PCBs in a stacked configuration. The DF40HC series is known for ultra-fine pitch and high-speed signal capability, making it suitable for modern embedded and communication systems. Connector type: Board-to-board (mezzanine), receptacle Number of contacts: 100 positions (2-row layout) Pitch: 0.4 mm (very fine pitch for high-density routing) Stacking height: 3.0 mm (fixed mated height) Mounting: Surface-mount (SMT) Orientation: Straight Contact plating: Gold (for reliable conductivity and corrosion resistance) Rated current: 0.3 A per contact Rated voltage: 50 V AC/DC Contact resistance: ≤ 90 mΩ Withstanding voltage: 150 V max High-speed capability: up to 20 Gbps, supports interfaces like: USB 3.1 / USB 3.0 PCIe SATA MIPI Connector size: Length: ~22.6 mm Width: ~3.38 mm Height: ~2.9 mm Mating durability: ~30 cycles Operating temperature: -55°C to +85°C #CommonPartsLibrary #Connector #Mezzanine-connector #DF40

10 Position Receptacle Connector 0.050" (1.27mm) Surface Mount Gold The SFM-105-02-X-D-A is a high-reliability dual-row socket connector designed for board-to-board and mezzanine interconnection applications. Manufactured by Samtec, this connector provides a compact and durable solution for connecting printed circuit boards in embedded systems, industrial electronics, communications equipment, test instruments, and high-performance computing platforms. The connector features precision-machined contacts that ensure consistent electrical performance, excellent mating reliability, and long operational life. Its low-profile design and high-density contact arrangement make it suitable for applications requiring space-efficient interconnect solutions while maintaining signal integrity and mechanical robustness. Engineering Specifications Manufacturer: Samtec Part Number: SFM-105-02-X-D-A Series: SFM Series Connector Type: Board-to-Board Socket Connector Contact System: Precision Socket Contacts Row Configuration: Dual Row Mounting Style: Through-Hole Contact Material: Copper Alloy Contact Finish: Gold-Plated Contact Interface Housing Material: High-Temperature Thermoplastic Mating Compatibility: Standard Samtec Header Systems Electrical Performance: High-Reliability Signal Interconnection Mechanical Durability: High Mating Cycle Life Operating Temperature Range: Industrial Grade RoHS Compliant: Yes Applications: Embedded Systems, Industrial Control Equipment, Communication Systems, Data Acquisition Platforms, Instrumentation, Test Equipment, Computing Hardware, PCB Interconnect Solutions Key Features High-density dual-row socket configuration Precision-machined contacts for reliable electrical performance Gold-plated contact interface for enhanced conductivity and durability Compact footprint for space-constrained designs Excellent mating alignment and retention characteristics High mechanical durability for repeated insertion cycles Suitable for board stacking and mezzanine interconnections Compatible with a wide range of Samtec header connectors Designed for industrial and commercial electronic systems Supports reliable signal transmission in high-performance applications #SFM10502XDA #Samtec #BoardToBoardConnector #SocketConnector #DualRowConnector #PCBConnector #Interconnect #EmbeddedSystems #IndustrialElectronics #CommunicationSystems #Instrumentation #DataAcquisition #MezzanineConnector #ThroughHoleConnector #ElectronicComponents #PCBDesign #SignalIntegrity #HighReliability #ConnectorTechnology #EmbeddedHardware