Boost Switching Regulator IC Positive, Isolation Capable Adjustable 2.9V 1 Output 5.25A (Switch) 14-PowerTSSOP (0.173", 4.40mm Width) #CommonPartsLibrary #IntegratedCircuit #PowerManagement #Voltage-regulator #Switching-regulator #TPS55340

Bipolar (BJT) Transistor NPN 40V 200 mA 300MHz 625 mW Through Hole TO-92-3 The 2N3904TFR is a general-purpose NPN bipolar junction transistor (BJT) designed for low-power amplification and switching applications. It is widely used in signal processing, small-signal amplification, and digital switching circuits. This transistor offers fast switching speed, low saturation voltage, and reliable performance in a compact surface-mount package, making it suitable for consumer electronics, industrial controls, and embedded systems. Manufacturer Various (commonly ON Semiconductor / onsemi, Diodes Inc., Central Semiconductor) Part Number 2N3904TFR Transistor Type NPN Bipolar Junction Transistor (BJT) Configuration Single Package / Case SOT-23 (TO-236AB) Mounting Style Surface Mount (SMD/SMT) Collector-Emitter Voltage (VCEO) 40 V Collector-Base Voltage (VCBO) 60 V Emitter-Base Voltage (VEBO) 6 V Collector Current (IC) 200 mA (max) Power Dissipation (PD) ~200 mW to 350 mW (package dependent) DC Current Gain (hFE) 100 to 300 (typical, varies with operating conditions) Transition Frequency (fT) ~300 MHz Collector-Emitter Saturation Voltage (VCE(sat)) ~0.2 V (typical at IC = 10 mA, IB = 1 mA) Operating Temperature Range -55°C to +150°C Polarity NPN Packaging Tape & Reel (TFR suffix) RoHS Compliance Compliant #commonpartslibrary #transistor #bjt

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

Buck, Boost Switching Regulator IC Positive or Negative Adjustable 1.25V 1 Output 1.5A (Switch) 8-SOIC (0.154", 3.90mm Width) #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 300mA 10-WFDFN Exposed Pad #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Boost Switching Regulator IC Positive Fixed 5.1V 1 Output 6.5A (Switch) 9-VFQFN #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) Exposed Pad #RegulatorSwitching #commonpartslibrary

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 600mA SOT-23-6 #RegulatorSwitching #commonpartslibrary