Customer Service
86-755-8398 2429
-
Capacitors
- Ceramic Capacitors
- Tantalum Capacitors
- Accessories
- Aluminum - Polymer Capacitors
- Aluminum Electrolytic Capacitors
- Capacitor Networks, Arrays
- Electric Double Layer Capacitors (EDLC), Supercapacitors
- Film Capacitors
- Mica and PTFE Capacitors
- Niobium Oxide Capacitors
- Silicon Capacitors
- Tantalum - Polymer Capacitors
- Thin Film Capacitors
- Trimmers, Variable Capacitors
-
Discrete Semiconductor Products
- Diodes - Bridge Rectifiers
- Diodes - Rectifiers - Arrays
- Diodes - Rectifiers - Single
- Diodes - RF
- Diodes - Variable Capacitance (Varicaps, Varactors)
- Diodes - Zener - Arrays
- Diodes - Zener - Single
- Power Driver Modules
- Thyristors - DIACs, SIDACs
- Thyristors - SCRs
- Thyristors - SCRs - Modules
- Thyristors - TRIACs
- Transistors - Bipolar (BJT) - Arrays
- Transistors - Bipolar (BJT) - Arrays, Pre-Biased
- Transistors - Bipolar (BJT) - RF
- Transistors - Bipolar (BJT) - Single
- Transistors - Bipolar (BJT) - Single, Pre-Biased
- Transistors - FETs, MOSFETs - Arrays
- Transistors - FETs, MOSFETs - RF
- Transistors - FETs, MOSFETs - Single
- Transistors - IGBTs - Arrays
- Transistors - IGBTs - Modules
- Transistors - IGBTs - Single
- Transistors - JFETs
- Transistors - Programmable Unijunction
- Transistors - Special Purpose
- Inductors, Coils, Chokes
-
Integrated Circuits (ICs)
- Audio Special Purpose
- Clock/Timing - Application Specific
- Clock/Timing - Clock Buffers, Drivers
- Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
- Clock/Timing - Delay Lines
- Clock/Timing - IC Batteries
- Clock/Timing - Programmable Timers and Oscillators
- Clock/Timing - Real Time Clocks
- Data Acquisition - ADCs/DACs - Special Purpose
- Data Acquisition - Analog Front End (AFE)
- Data Acquisition - Analog to Digital Converters (ADC)
- Data Acquisition - Digital Potentiometers
- Data Acquisition - Digital to Analog Converters (DAC)
- Data Acquisition - Touch Screen Controllers
- Embedded - CPLDs (Complex Programmable Logic Devices)
- Embedded - DSP (Digital Signal Processors)
- Embedded - FPGAs (Field Programmable Gate Array)
- Embedded - FPGAs (Field Programmable Gate Array) with Microcontrollers
- Embedded - Microcontroller or Microprocessor Modules
- Embedded - Microcontrollers
- Embedded - Microcontrollers - Application Specific
- Embedded - Microprocessors
- Embedded - PLDs (Programmable Logic Device)
- Embedded - System On Chip (SoC)
- Interface - Analog Switches - Special Purpose
- Interface - Analog Switches, Multiplexers, Demultiplexers
- Interface - CODECs
- Interface - Controllers
- Interface - Direct Digital Synthesis (DDS)
- Interface - Drivers, Receivers, Transceivers
- Interface - Encoders, Decoders, Converters
- Interface - Filters - Active
- Interface - I/O Expanders
- Interface - Modems - ICs and Modules
- Interface - Modules
- Interface - Sensor and Detector Interfaces
- Interface - Serializers, Deserializers
- Interface - Signal Buffers, Repeaters, Splitters
- Interface - Signal Terminators
- Interface - Specialized
- Interface - Telecom
- Interface - UARTs (Universal Asynchronous Receiver Transmitter)
- Interface - Voice Record and Playback
- Linear - Amplifiers - Audio
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
- Linear - Amplifiers - Special Purpose
- Linear - Amplifiers - Video Amps and Modules
- Linear - Analog Multipliers, Dividers
- Linear - Comparators
- Linear - Video Processing
- Logic - Buffers, Drivers, Receivers, Transceivers
- Logic - Comparators
- Logic - Counters, Dividers
- Logic - FIFOs Memory
- Logic - Flip Flops
- Logic - Gates and Inverters
- Logic - Gates and Inverters - Multi-Function, Configurable
- Logic - Latches
- Logic - Multivibrators
- Logic - Parity Generators and Checkers
- Logic - Shift Registers
- Logic - Signal Switches, Multiplexers, Decoders
- Logic - Specialty Logic
- Logic - Translators, Level Shifters
- Logic - Universal Bus Functions
- Memory
- Memory - Batteries
- Memory - Configuration Proms for FPGAs
- Memory - Controllers
- PMIC - AC DC Converters, Offline Switchers
- PMIC - Battery Chargers
- PMIC - Battery Management
- PMIC - Current Regulation/Management
- PMIC - Display Drivers
- PMIC - Energy Metering
- PMIC - Full, Half-Bridge Drivers
- PMIC - Gate Drivers
- PMIC - Hot Swap Controllers
- PMIC - Laser Drivers
- PMIC - LED Drivers
- PMIC - Lighting, Ballast Controllers
- PMIC - Motor Drivers, Controllers
- PMIC - OR Controllers, Ideal Diodes
- PMIC - PFC (Power Factor Correction)
- PMIC - Power Distribution Switches, Load Drivers
- PMIC - Power Management - Specialized
- PMIC - Power Over Ethernet (PoE) Controllers
- PMIC - Power Supply Controllers, Monitors
- PMIC - RMS to DC Converters
- PMIC - Supervisors
- PMIC - Thermal Management
- PMIC - V/F and F/V Converters
- PMIC - Voltage Reference
- PMIC - Voltage Regulators - DC DC Switching Controllers
- PMIC - Voltage Regulators - DC DC Switching Regulators
- PMIC - Voltage Regulators - Linear
- PMIC - Voltage Regulators - Linear + Switching
- PMIC - Voltage Regulators - Linear Regulator Controllers
- PMIC - Voltage Regulators - Special Purpose
- Specialized ICs
- Isolators
- Relays
-
RF/IF and RFID
- Attenuators
- Balun
- RF Accessories
- RF Amplifiers
- RF Antennas
- RF Demodulators
- RF Detectors
- RF Diplexers
- RF Directional Coupler
- RF Evaluation and Development Kits, Boards
- RF Front End (LNA + PA)
- RF Misc ICs and Modules
- RF Mixers
- RF Modulators
- RF Power Controller ICs
- RF Power Dividers/Splitters
- RF Receiver, Transmitter, and Transceiver Finished Units
- RF Receivers
- RF Shields
- RF Switches
- RF Transceiver ICs
- RF Transceiver Modules
- RF Transmitters
- RFI and EMI - Contacts, Fingerstock and Gaskets
- RFI and EMI - Shielding and Absorbing Materials
- RFID Accessories
- RFID Antennas
- RFID Evaluation and Development Kits, Boards
- RFID Reader Modules
- RFID Transponders, Tags
- RFID, RF Access, Monitoring ICs
- RF Circulators and Isolators
-
Sensors, Transducers
- Accessories
- Amplifiers
- Capacitive Touch Sensors, Proximity Sensor ICs
- Color Sensors
- Current Transducers
- Dust Sensors
- Encoders
- Flex Sensors
- Float, Level Sensors
- Flow Sensors
- Force Sensors
- Gas Sensors
- Humidity, Moisture Sensors
- Image Sensors, Camera
- IrDA Transceiver Modules
- Magnetic Sensors - Compass, Magnetic Field (Modules)
- Magnetic Sensors - Linear, Compass (ICs)
- Magnetic Sensors - Position, Proximity, Speed (Modules)
- Magnetic Sensors - Switches (Solid State)
- Magnets - Multi Purpose
- Magnets - Sensor Matched
- Motion Sensors - Accelerometers
- Motion Sensors - Gyroscopes
- Motion Sensors - IMUs (Inertial Measurement Units)
- Motion Sensors - Inclinometers
- Motion Sensors - Optical
- Motion Sensors - Tilt Switches
- Motion Sensors - Vibration
- Multifunction
- Optical Sensors - Ambient Light, IR, UV Sensors
- Optical Sensors - Distance Measuring
- Optical Sensors - Mouse
- Optical Sensors - Photo Detectors - CdS Cells
- Optical Sensors - Photo Detectors - Logic Output
- Optical Sensors - Photo Detectors - Remote Receiver
- Optical Sensors - Photodiodes
- Optical Sensors - Photoelectric, Industrial
- Optical Sensors - Photointerrupters - Slot Type - Logic Output
- Optical Sensors - Photointerrupters - Slot Type - Transistor Output
- Optical Sensors - Phototransistors
- Optical Sensors - Reflective - Analog Output
- Optical Sensors - Reflective - Logic Output
- Position Sensors - Angle, Linear Position Measuring
- Pressure Sensors, Transducers
- Proximity Sensors
- Proximity/Occupancy Sensors - Finished Units
- Sensor Cable - Accessories
- Sensor Cable - Assemblies
- Sensor Interface - Junction Blocks
- Shock Sensors
- Solar Cells
- Specialized Sensors
- Strain Gauges
- Temperature Sensors - Analog and Digital Output
- Temperature Sensors - NTC Thermistors
- Temperature Sensors - PTC Thermistors
- Temperature Sensors - RTD (Resistance Temperature Detector)
- Temperature Sensors - Thermocouple, Temperature Probes
- Temperature Sensors - Thermostats - Mechanical
- Temperature Sensors - Thermostats - Solid State
- Ultrasonic Receivers, Transmitters
- Camera Modules
- LVDT Transducers (Linear Variable Differential Transformer)
- Optical Sensors - Photonics - Counters, Detectors, SPCM (Single Photon Counting Module)
- Touch Sensors
-
Circuit Protection
- Accessories
- Circuit Breakers
- Electrical, Specialty Fuses
- Fuseholders
- Fuses
- Gas Discharge Tube Arresters (GDT)
- Ground Fault Circuit Interrupter (GFCI)
- Inrush Current Limiters (ICL)
- Lighting Protection
- PTC Resettable Fuses
- Surge Suppression ICs
- TVS - Diodes
- TVS - Mixed Technology
- TVS - Surge Protection Devices (SPDs)
- TVS - Thyristors
- TVS - Varistors, MOVs
- Thermal Cutoffs (Thermal Fuses)
-
Connectors, Interconnects
- Backplane Connectors - ARINC Inserts
- Backplane Connectors - ARINC
- Backplane Connectors - Accessories
- Backplane Connectors - Contacts
- Backplane Connectors - DIN 41612
- Backplane Connectors - Hard Metric, Standard
- Backplane Connectors - Housings
- Backplane Connectors - Specialized
- Banana and Tip Connectors - Accessories
- Banana and Tip Connectors - Adapters
- Banana and Tip Connectors - Binding Posts
- Banana and Tip Connectors - Jacks, Plugs
- Barrel - Accessories
- Barrel - Adapters
- Barrel - Audio Connectors
- Barrel - Power Connectors
- Between Series Adapters
- Blade Type Power Connectors - Accessories
- Blade Type Power Connectors - Contacts
- Blade Type Power Connectors - Housings
- Blade Type Power Connectors
- Card Edge Connectors - Accessories
- Card Edge Connectors - Adapters
- Card Edge Connectors - Contacts
- Card Edge Connectors - Edgeboard Connectors
- Card Edge Connectors - Housings
- Circular Connectors - Accessories
- Circular Connectors - Adapters
- Circular Connectors - Backshells and Cable Clamps
- Circular Connectors - Contacts
- Circular Connectors - Housings
- Circular Connectors
- Coaxial Connectors (RF) - Accessories
- Coaxial Connectors (RF) - Adapters
- Coaxial Connectors (RF) - Contacts
- Coaxial Connectors (RF) - Terminators
- Coaxial Connectors (RF)
- Contacts - Leadframe
- Contacts - Multi Purpose
- Contacts, Spring Loaded (Pogo Pins), and Pressure
- D-Shaped Connectors - Centronics
- D-Sub Connectors
- D-Sub, D-Shaped Connectors - Accessories - Jackscrews
- D-Sub, D-Shaped Connectors - Accessories
- D-Sub, D-Shaped Connectors - Adapters
- D-Sub, D-Shaped Connectors - Backshells, Hoods
- D-Sub, D-Shaped Connectors - Contacts
- D-Sub, D-Shaped Connectors - Housings
- D-Sub, D-Shaped Connectors - Terminators
- FFC, FPC (Flat Flexible) Connectors - Accessories
- FFC, FPC (Flat Flexible) Connectors - Contacts
- FFC, FPC (Flat Flexible) Connectors - Housings
- FFC, FPC (Flat Flexible) Connectors
- Fiber Optic Connectors - Accessories
- Fiber Optic Connectors - Adapters
- Fiber Optic Connectors - Housings
- Fiber Optic Connectors
- Heavy Duty Connectors - Accessories
- Heavy Duty Connectors - Assemblies
- Heavy Duty Connectors - Contacts
- Heavy Duty Connectors - Frames
- Heavy Duty Connectors - Housings, Hoods, Bases
- Heavy Duty Connectors - Inserts, Modules
- Keystone - Accessories
- Keystone - Faceplates, Frames
- Keystone - Inserts
- LGH Connectors
- Memory Connectors - Accessories
- Memory Connectors - Inline Module Sockets
- Memory Connectors - PC Card Sockets
- Memory Connectors - PC Cards - Adapters
- Modular Connectors - Accessories
- Modular Connectors - Adapters
- Modular Connectors - Jacks With Magnetics
- Modular Connectors - Jacks
- Modular Connectors - Plug Housings
- Modular Connectors - Plugs
- Modular Connectors - Wiring Blocks - Accessories
- Modular Connectors - Wiring Blocks
- Photovoltaic (Solar Panel) Connectors - Accessories
- Photovoltaic (Solar Panel) Connectors - Contacts
- Photovoltaic (Solar Panel) Connectors
- Pluggable Connectors - Accessories
- Pluggable Connectors
- Power Entry Connectors - Accessories
- Power Entry Connectors - Inlets, Outlets, Modules
- Rectangular Connectors - Accessories
- Rectangular Connectors - Adapters
- Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)
- Rectangular Connectors - Board In, Direct Wire to Board
- Rectangular Connectors - Board Spacers, Stackers (Board to Board)
- Rectangular Connectors - Contacts
- Rectangular Connectors - Free Hanging, Panel Mount
- Rectangular Connectors - Headers, Male Pins
- Rectangular Connectors - Headers, Receptacles, Female Sockets
- Rectangular Connectors - Headers, Specialty Pin
- Rectangular Connectors - Housings
- Rectangular Connectors - Spring Loaded
- Shunts, Jumpers
- Sockets for ICs, Transistors - Accessories
- Sockets for ICs, Transistors - Adapters
- Sockets for ICs, Transistors
- Solid State Lighting Connectors - Accessories
- Solid State Lighting Connectors - Contacts
- Solid State Lighting Connectors
- Terminal Blocks - Accessories - Jumpers
- Terminal Blocks - Accessories - Marker Strips
- Terminal Blocks - Accessories - Wire Ferrules
- Terminal Blocks - Accessories
- Terminal Blocks - Adapters
- Terminal Blocks - Barrier Blocks
- Terminal Blocks - Contacts
- Terminal Blocks - Din Rail, Channel
- Terminal Blocks - Headers, Plugs and Sockets
- Terminal Blocks - Interface Modules
- Terminal Blocks - Panel Mount
- Terminal Blocks - Power Distribution
- Terminal Blocks - Specialized
- Terminal Blocks - Wire to Board
- Terminal Junction Systems
- Terminal Strips and Turret Boards
- Terminals - Accessories
- Terminals - Adapters
- Terminals - Barrel, Bullet Connectors
- Terminals - Foil Connectors
- Terminals - Housings, Boots
- Terminals - Knife Connectors
- Terminals - Magnetic Wire Connectors
- Terminals - PC Pin Receptacles, Socket Connectors
- Terminals - PC Pin, Single Post Connectors
- Terminals - Quick Connects, Quick Disconnect Connectors
- Terminals - Rectangular Connectors
- Terminals - Ring Connectors
- Terminals - Screw Connectors
- Terminals - Solder Lug Connectors
- Terminals - Spade Connectors
- Terminals - Specialized Connectors
- Terminals - Turret Connectors
- Terminals - Wire Pin Connectors
- Terminals - Wire Splice Connectors
- Terminals - Wire to Board Connectors
- USB, DVI, HDMI Connectors - Accessories
- USB, DVI, HDMI Connectors - Adapters
- USB, DVI, HDMI Connectors
- Crystals, Oscillators, Resonators
-
Development Boards, Kits, Programmers
- Accessories
- Evaluation Boards - Analog to Digital Converters (ADCs)
- Evaluation Boards - Audio Amplifiers
- Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS
- Evaluation Boards - Digital to Analog Converters (DACs)
- Evaluation Boards - Embedded - Complex Logic (FPGA, CPLD)
- Evaluation Boards - Embedded - MCU, DSP
- Evaluation Boards - Expansion Boards, Daughter Cards
- Evaluation Boards - LED Drivers
- Evaluation Boards - Linear Voltage Regulators
- Evaluation Boards - Op Amps
- Evaluation Boards - Sensors
- Evaluation and Demonstration Boards and Kits
- Programmers, Emulators, and Debuggers
- Programming Adapters, Sockets
- Software, Services
- UV Erasers
- Filters
- Memory Cards, Modules
- Potentiometers, Variable Resistors
- Power Supplies - Board Mount
- Power Supplies - External/Internal (Off-Board)
- Resistors
KOA Speer Electronics, an affiliate of KOA Corporation, has served the electronics industry since 1980. It has a global presence, including corporate headquarters in Japan and sales locations in the USA, Germany, China, and Singapore. Their wide range of products include thick film resistors, thin film resistors, current sensing resistors, wirewound resistors, thermal sensors, fuses, varistors, LTCCs, and modules.
