Integrated Circuits (ICs)
Clock and Timing
Clock Buffers, Drivers
Clock Generators, PLLs, Frequency Synthesizers
Controlled Oscillators
Delay Lines
Real Time Clocks
Timers and Oscillators
Data Converter ICs
Analog Front End (AFE)
Analog to Digital Converters (ADCs)
Digital Potentiometers
Digital to Analog Converters (DACs)
Touch Screen Controllers
Embedded Processors and Controllers
CPLDs - Complex Programming Logic Devices
DSPs - Digital Signal Processors
FPGAs - Field Programmable Gate Arrays
Microcontrollers
Microprocessors
Single Board Computers (SBCs)
SPLD - Simple Programmable Logic Devices
System on Chip (SoC)
System on Modules - SOM
Interface ICs
CAN Transceivers
CODECs
Digital Isolators
Display Drivers
Ethernet Controller
Ethernet Interface ICs
I/O Expanders
RS-232 / RS-422 / RS-485 Interface ICs
Sensor and Detector Interfaces
Signal Buffers, Repeaters, Splitters
UART Interface ICs
USB Interface ICs
Linear ICs
Active Filters
Amplifiers - Audio
Amplifiers - Current Sense
Amplifiers - Op Amps, Buffer, Instrumentation
Amplifiers - Video
Analog Switches and Multiplexers
Comparators
Programmable Gain Amplifiers
Logic ICs
Buffers, Drivers and Transceivers
Counters
Decoders and Multiplexers
Latches and Flip Flops
Logic Gates
Multivibrators
Shift Registers
Voltage Level Shifters
Memory
EEPROM
FIFO
Flash
Memory Cards
RAM
Power Management ICs
AC-DC Converters
Battery Management
DC-DC Switching Controllers
Gate Drivers
Hot Swap Controllers
LDO Voltage Regulators
LED Drivers
Motor Drivers
Power Factor Correction (PFC) Controllers
Power Management - Specialized
Power Over Ethernet (PoE) Controllers
Power Switch ICs - Power Distribution
Voltage References
Voltage Regulators - Linear
Voltage Regulators - Switching
Voltage Supervisors
RF Semiconductors and Devices
CATV Amplifiers
NFC / RFID Components
RF Amplifiers
RF Antennas
RF Attenuators
RF Mixers
RF Multiplexers
RF Receivers, Transceivers
RF Switches
RF Transceiver Modules and Modems
Discrete Semiconductors
Diodes
Bridge Rectifier Diodes
Current Regulators
Rectifier Diodes
RF Diodes
Schottky Diodes
Varactors - Varicap Diodes
Zener Diodes
Thyristors
DIACs, SIDACs
SCRs
TRIACs
Transistors
BJTs
IGBTs
JFETs
MOSFETs
RF BJT
RF MOSFET
Passive Components
Capacitors
Aluminum Electrolytic Capacitors
Capacitor Arrays
Capacitor Kits
Ceramic Capacitors
Electric Double Layer Capacitors
Film Capacitors
Mica Capacitors
Niobium Capacitors
Polymer Capacitors
Silicon Capacitors
Tantalum Capacitors
Trimmer / Variable Capacitors
Crystals and Oscillators
Crystals
Oscillators
Resonators
EMI / RFI Components
Common Mode Chokes
EMI / RFI Filters
Ferrite Beads and Chips
RF Circulators and Isolators
RF Directional Coupler
RF Shields
Filters
Ceramic Filters
Feed Through Capacitors
Power Line Filter Modules
RF Filters
SAW Filters
Inductors
Fixed Inductors
Inductor Kits
Variable Inductors
Resistors
Chassis Mount Resistors
Chip SMD Resistors
Resistor Arrays
Resistor Kits
Thermistors
Through-Hole Resistors
Variable Resistors and Potentiometers
Wirewound Resistors
Transformers
Balun Transformers
Electromechanical
Audio Products
Buzzers
Microphones
Speakers
Motors and Drives
AC, DC and Servo Motors
Brushless DC Motors
Motor Drives
Stepper Motors
Relays
Power Relays
Signal Relays
Solid State Relays
Time Delay Relays
Switches
DIP Switches
Encoders
Keylock Switches
Pushbutton Switches
Rocker Switches
Rotary Switches
Slide Switches
Snap Action / Limit Switches
Switch Accessories
Tactile Switches
Toggle Switches
Thermal Management
Fans and Blowers
Heat Sinks
Connectors
Backplane Connectors
DIN 41612 Connectors
Hard Metric Connectors
Accessories
Audio / Video Connectors
Automotive Connectors
Board to Board Connectors
Card Edge Connectors
Circular Connectors
D-Sub Connectors
FFC / FPC
Fiber Optic Connectors
Headers and Wire Housings
IC and Component Sockets
Memory Connectors
Modular / Ethernet Connectors
Photovoltaic / Solar Connectors
Power Connectors
Rectangular Connectors
RF / Coaxial Connectors
Shunts and Jumpers
Terminal Blocks
Terminals
Test Points
USB Connectors
Test Equipment
Benchtop Power Supplies
Function Generators
Multimeters
Oscilloscopes
Spectrum Analyzers
Test Probes, Leads and Clips
Thermometers
Tools and Supplies
Hand Tools
Drills
Hammers
Heat Guns
Knives and Blades
Micrometers
Pliers and Tweezers
Screw and Nut Drivers
Wrenches
Hardware, Fasteners
Anchors
Screws and Fasteners
Spacers, Standoffs
Thread Inserts
Washers
Anti-Static Control
Chemicals
Enclosures
Flashlights
Packaging, Labels, Tape
Prototype Boards and Breadboards
Raw Materials
Soldering Supplies and Tools
Storage Bins
Wire Crimpers and Strippers
Sensors
Magnetic Sensors
Hall Effect Sensors
Motion Sensors
Accelerometers
Gyroscopes
Inertial Measurement Units (IMUs)
Vibration and Shock Sensors
Optical Sensors
Image Sensors
Photodiodes
Photoelectric Sensors
Phototransistor
Current Sensors
Flow Sensors
Gas Sensors
Position Sensors
Pressure Sensors
Proximity Sensors
Temperature and Humidity Sensors
Optoelectronics
Displays
LCD, OLED, Graphic Displays
LED Displays
Laser Products
Laser Drivers
LEDs
Light Pipes
Fiber Optics
Lamps
Optocouplers
Circuit Protection
Circuit Breakers
ESD and Circuit Protection ICs
ESD Protection Diodes
Fuse Holders
Fuses
PTC Resettable Fuses
TVS Diodes
Varistors
Power Products
Power Supply Modules
Board Mount Modules
Off-Board Modules
Wall Adapters
Batteries and Accessories
DC to AC Inverters
Power Cords
Surge Protectors
Uninterruptible Power Supply (UPS)
Cables and Wire
Wire Protection and Management
Cable Markers
Cable Ties
Heat Shrink Tubing
Non-Heat Shrink Tubing and Sleeves
Wire Ducting
Audio / Video Cables
Bulk Hook-up Wire
Bulk Multiple Conductor Cables
Coaxial / RF Cable Assemblies
D-Sub Cables
Ethernet Cables
FFC / FPC Cables
Fiber Optic Cables
Flat Ribbon Cables
USB Cables
Machining
Indexable Inserts
Milling Inserts
Parting and Grooving Inserts
Threading Inserts
Turning Inserts
Machine Cutting Tools
Countersinks and Center Reamers
Grooving Tools
Jobber Length Drill Bits
Routing End Mills
Screw Machine Length Drill Bits
Solid Boring Bars
Taper Length Drill Bits
Taps
Thread Mills
Machine Tool Accessories
Collets
Drill Bushings
Hand Knobs and Wheels
Indexable Tools
Machine Fluids
Machinery
Industrial Control
Human Machine Interface (HMI)
Hydraulics
Industrial Actuators
Industrial Contactors
Industrial Lighting
Industrial Relays
Panel Meters
Pneumatics
Programmable Logic Controllers (PLC)
Temperature Controllers
Pilot, Led, 12V, Grn, M17, Bld/ Bulk |Littelfuse PL-521-GC
