Passive Components > Welwyn

Welwyn Electronics Components is one of the largest suppliers of electronic resistors worldwide, providing products to OEMs, major distributors and electronic manufacturing services. Welwyn Resistors provides leading edge technology and cost effective manufacturing services for resistive components and custom hybrid circuits for a broad range of applications in the automotive, industrial, avionics / defence, telecom, and medical markets.

in 1990, Welwyn Electronics was acquired by TT Electronics as part of the purchase of Crystalate.

TT electronics is a focused, global electronics group supplying products to leading manufacturers in the defence and aerospace, medical, transportation, energy and industrial electronics markets. The TT electronics technology portfolio is one of the most comprehensive in the industry, supplying passive components (fixed and variable resistors, magnetics) and discrete semiconductors (optoelectronics, diodes, MOSFETs) from brands including BI Technologies, IRC, Optek, Semelab and Welwyn Components. TT electronics is continually investing in new product development, supported by world class application engineering teams committed to understanding and fulfilling customer needs with innovative technology solutions.

TT ELECTRONICS

TT electronics is a focused, global electronics group supplying products to leading manufacturers in the defence and aerospace, medical, transportation, energy and industrial electronics markets. The TT electronics technology portfolio is one of the most comprehensive in the industry, supplying passive components (fixed and variable resistors, magnetics) and discrete semiconductors (optoelectronics, diodes, MOSFETs) from brands including BI Technologies, IRC, Optek, Semelab and Welwyn Components. TT electronics is continually investing in new product development, supported by world class application engineering teams committed to understanding and fulfilling customer needs with innovative technology solutions.

TT Electronics is a global provider of engineered electronics for performance-critical applications. The company’s Integrated Manufacturing Services division specializes in low-volume, high-mix electronics manufacturing solutions from its global facilities. TT Electronics’ Industrial Sensing and Control business develops products, including optical sensors, that help medical equipment deliver optimized patient care. TT electronics is continually investing in new product development, supported by world class application engineering teams committed to understanding and fulfilling customer needs with innovative technology solutions.

Products

Discrete Semiconductor

Diodes – Rectifiers – Arrays
Diodes – Rectifiers – Single
Transistors – Bipolar (BJT) – Arrays
Transistors – Bipolar (BJT) – Single
Transistors – FETs, MOSFETs – Arrays
Transistors – FETs, MOSFETs – Single

Filters

Common Mode Chokes

Inductors, Coils, Chokes

Arrays, Signal Transformers
Fixed Inductors

Isolators

Optoisolators – Logic Output
Optoisolators – Transistor, Photovoltaic Output

Optoelectronics

Fiber Optics – Receivers
Fiber Optics – Transmitters – Discrete
Infrared, UV, Visible Emitters
Laser Diodes
LED Indication – Discrete
LED Lighting – COBs, Engines, Modules
LED Lighting – Color
LED Lighting – White
Optics – Lenses

Potentiometers, Variable Resistors

Accessories
Rotary Potentiometers, Rheostats
Scale Dials
Slide Potentiometers
Thumbwheel Potentiometers
Trimmer Potentiometers

Programmers, Development Systems

Accessories
Evaluation and Demonstration Boards and Kits
Evaluation Boards – Sensors

Relays

Solid State Relays

Resistors

Chassis Mount Resistors
Chip Resistor – Surface Mount
Resistor Networks, Arrays
Specialized Resistors
Through Hole Resistors

Sensors, Transducers

Accessories
Color Sensors
Encoders
Magnetic Sensors – Linear, Compass (ICs)
Magnetic Sensors – Position, Proximity, Speed (Modules)
Magnetic Sensors – Switches (Solid State)
Optical Sensors – Photo Detectors – Logic Output
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
Position Sensors – Angle, Linear Position Measuring
Specialized Sensors

Switches

Tactile Switches

Transformers

Current Sense Transformers
Pulse Transformers