KOA Speer Electronics, Inc. | WU732BTTD20L0F

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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
Fixed Inductors

Adjustable Inductors

Arrays, Signal Transformers

Delay Lines

Wireless Charging Coils
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
Digital Isolators

Isolators - Gate Drivers

Optoisolators - Logic Output

Optoisolators - Transistor, Photovoltaic Output

Optoisolators - Triac, SCR Output

Special Purpose
Relays
Power Relays, Over 2 Amps

Signal Relays, Up to 2 Amps

Solid State Relays

Accessories

Automotive Relays

Contactors (Electromechanical)

Contactors (Solid State)

High Frequency (RF) Relays

I/O Relay Module Racks

I/O Relay Modules

Reed Relays

Relay Sockets

Safety 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
Accessories

Crystals

Oscillators

Pin Configurable/Selectable Oscillators

Programmable Oscillators

Resonators

Stand Alone Programmers

VCOs (Voltage Controlled Oscillators)
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
Accessories

Cable Ferrites

Ceramic Filters

Common Mode Chokes

DSL Filters

EMI/RFI Filters (LC, RC Networks)

Feed Through Capacitors

Ferrite Beads and Chips

Ferrite Disks and Plates

Monolithic Crystals

Power Line Filter Modules

RF Filters

SAW Filters
Memory Cards, Modules
Accessories

Memory - Modules

Memory Cards

Solid State Drives (SSDs), Hard Disk Drives (HDDs)

Specialized

USB Flash Drives
Potentiometers, Variable Resistors
Accessories

Adjustable Power Resistor

Rotary Potentiometers, Rheostats

Scale Dials

Slide Potentiometers

Thumbwheel Potentiometers

Trimmer Potentiometers

Value Display Potentiometers
Power Supplies - Board Mount
AC DC Converters

Accessories

DC DC Converters

LED Drivers
Power Supplies - External/Internal (Off-Board)
AC AC Wall Adapters

AC DC Configurable Power Supplies (Factory Assembled)

AC DC Configurable Power Supply Chassis

AC DC Configurable Power Supply Modules

AC DC Converters

AC DC Desktop, Wall Adapters

Accessories

DC DC Converters

LED Drivers

Power over Ethernet (PoE)
Resistors
Accessories

Chassis Mount Resistors

Chip Resistor - Surface Mount

Resistor Networks, Arrays

Specialized Resistors

Through Hole 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.