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Integrated Circuits (ICs)
Audio Special Purpose
Clock/Timing - Application Specific
Clock/Timing - Clock Buffers, Drivers
Clock/Timing - Clock Generators, PLLs, Frequency Sy…
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)
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
Circuit Protection
Thermal Cutoffs (Thermal Fuses and Breakers)
TVS - Varistors, MOVs
TVS - Thyristors
TVS - Surge Protection Devices (SPDs)
TVS - Mixed Technology
TVS - Diodes
Surge Suppression ICs
PTC Resettable Fuses
Lighting Protection
Inrush Current Limiters (ICL)
Inductors, Coils, Chokes
Fixed Inductors
Adjustable Inductors
Arrays, Signal Transformers
Delay Lines
Wireless Charging Coils
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
Safety Relays
Relay Sockets
Reed Relays
I/O Relay Modules
I/O Relay Module Racks
High Frequency (RF) Relays
Contactors (Solid State)
Capacitors
Ceramic Capacitors
Tantalum Capacitors
Trimmers, Variable Capacitors
Thin Film Capacitors
Tantalum - Polymer Capacitors
Silicon Capacitors
Niobium Oxide Capacitors
Mica and PTFE Capacitors
Film Capacitors
Electric Double Layer Capacitors (EDLC), Supercapac…
RF/IF and RFID
Attenuators
Balun
RF Accessories
RF Amplifiers
RF Demodulators
RF Detectors
RF Directional Coupler
RF Front End (LNA + PA)
RF Misc ICs and Modules
RF Mixers
Audio Products
Accessories
Alarms, Buzzers, and Sirens
Amplifiers
Buzzer Elements, Piezo Benders
Guitar Parts, Accessories
Microphones
Speakers
Vacuum Tubes
Sensors, Transducers
Accessories
Amplifiers
Capacitive Touch Sensors, Proximity Sensor ICs
Color Sensors
Current Transducers
Dust Sensors
Encoders
Float, Level Sensors
Flow Sensors
Force Sensors
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Company Profile
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QST
Integrated Circuits (ICs)
Logic - Buffers, Drivers, Receivers, Transceivers
Specialized ICs
Inductors, Coils, Chokes
Wireless Charging Coils
Audio Products
Vacuum Tubes
Crystals, Oscillators, Resonators
Crystals
Oscillators
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Home
Products
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
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
Circuit Protection
Thermal Cutoffs (Thermal Fuses and Breakers)
TVS - Varistors, MOVs
TVS - Thyristors
TVS - Surge Protection Devices (SPDs)
TVS - Mixed Technology
TVS - Diodes
Surge Suppression ICs
PTC Resettable Fuses
Lighting Protection
Inrush Current Limiters (ICL)
Ground Fault Circuit Interrupter GFCI
Gas Discharge Tube Arresters (GDT)
Fuses
Fuseholders
Inductors, Coils, Chokes
Fixed Inductors
Adjustable Inductors
Arrays, Signal Transformers
Delay Lines
Wireless Charging Coils
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
Safety Relays
Relay Sockets
Reed Relays
I/O Relay Modules
I/O Relay Module Racks
High Frequency (RF) Relays
Contactors (Solid State)
Contactors (Electromechanical)
Automotive Relays
Accessories
Capacitors
Ceramic Capacitors
Tantalum Capacitors
Trimmers, Variable Capacitors
Thin Film Capacitors
Tantalum - Polymer Capacitors
Silicon Capacitors
Niobium Oxide Capacitors
Mica and PTFE Capacitors
Film Capacitors
Electric Double Layer Capacitors (EDLC), Supercapacitors
Capacitor Networks, Arrays
Aluminum Electrolytic Capacitors
Aluminum - Polymer Capacitors
Accessories
RF/IF and RFID
Attenuators
Balun
RF Accessories
RF Amplifiers
RF Demodulators
RF Detectors
RF Directional Coupler
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
Audio Products
Accessories
Alarms, Buzzers, and Sirens
Amplifiers
Buzzer Elements, Piezo Benders
Guitar Parts, Accessories
Microphones
Speakers
Vacuum Tubes
Sensors, Transducers
Accessories
Amplifiers
Capacitive Touch Sensors, Proximity Sensor ICs
Color Sensors
Current Transducers
Dust Sensors
Encoders
Float, Level Sensors
Flow Sensors
Force Sensors
Gas Sensors
Humidity, Moisture Sensors
Image Sensors, Camera
IrDA Transceiver Modules
Switches
Toggle Switches
Thumbwheel Switches
Tactile Switches
Snap Action, Limit Switches
Slide Switches
Selector Switches
Rotary Switches
Rocker Switches
Pushbutton Switches
Pushbutton Switches - Hall Effect
Programmable Display Switches
Navigation Switches, Joystick
Magnetic, Reed Switches
Keypad Switches
Optics
Mirrors
Prisms
Polarizers
filters
Lenses
Laser Optics - Pockels Cells
Laser Optics - Laser Modulators
Laser Optics - Focus Lenses
Laser Optics - Faraday Isolators
Laser Optics - F-Theta Lenses
Laser Optics - Beam Expanders
Laser Optics - Accessories
Beamsplitters
Connectors, Interconnects
USB, DVI, HDMI Connectors
USB, DVI, HDMI Connectors - Adapters
USB, DVI, HDMI Connectors - Accessories
Terminals - Wire to Board Connectors
Terminals - Wire Splice Connectors
Terminals - Wire Pin Connectors
Terminals - Turret Connectors
Terminals - Specialized Connectors
Terminals - Spade Connectors
Terminals - Solder Lug Connectors
Terminals - Screw Connectors
Terminals - Ring Connectors
Terminals - Rectangular Connectors
Terminals - Quick Connects, Quick Disconnect Connectors
About Us
Company Profile
Main Business
Application
Medical treatment
Automobile industry
Instrumentation
LCD
Power Electrical
Quality
Financial advantages
Product advantages
Quality advantages
News
Company News
Industry News
Contact Us
