Discrete Semiconductors

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Discrete Semiconductors can and will often be the heart of electronic applications. Markets where you’ll find these products include industrial, transportation, aerospace, telecom, networking, medical, IoT, harsh environment, and military applications. Applications include lighting, power management, EV charging, signage, instrumentation, HVAC, UV sterilization, robotics, oil and gas, MRI/X-ray and factory automation. They cover a wide variety of product sets from the most basic diodes to optocouplers, rectifiers, transistors, logic devices, thyristors, MOSFETs, Silicon Carbide devices, IGBTs and Gallium Nitrides devices. TTI offers a broad selection of Discrete Semiconductor solutions from the industry’s premier suppliers.

Additionally, some modular or integrated devices available include, Power Management ICs, Diode and IGBT modules, MOSFET and thyristor modules, voltage regulators, Silicon Carbide modules and analog switches.

Every application powered by electricity will likely use Discrete Semiconductors. Many times, the Discrete Semiconductor is the heart of the application. This includes industrial, transportation, aerospace, telecom, networking, medical, IoT, harsh environment, and military applications. Subsets of these applications include lighting, power management, EV charging, signage, instrumentation, HVAC, UV sterilization, robotics, oil and gas, MRI/X-ray and factory automation.

MOSFETs

MOSFETs are a transistor and a switching device. TTI stocks a large selection of MOSFETs for from world leading suppliers like Vishay, Nexperia, Rohm, IXYS/Littelfuse, and Toshiba. MOSFETs are at the heart of many applications and are available in many different configurations. Some of the smaller surface mount MOSFETs are less than 1mm on each side while larger through-hole and modules are rated for 4,000V and higher.

Discrete Logic

TTI offers a complete range of logic functions and analog switches, including voltage level translators and multiplexers as well as an AEC-Q100 Automotive certified portfolio. TTI world-class Logic suppliers include Nexperia, Toshiba, Rohm and Vishay. Innovation in packaging technology gives designers the flexibility to find a solution to fit their space limitations. Categories include automotive logic, analog, asynchronous interface logic, I/O expansion logic, synchronous interface logic, and control l/O.

SiC/GaN Devices

Wide Band-Gap (WBG) semiconductors help engineers build more efficient power conversion. Wide Band-Gap semiconductor material permits devices to operate at much higher voltages, frequencies, and temperature than conventional semiconductor materials. Two of the more widely used WBG materials are Silicon Carbide (SiC) and Gallium Nitride (GaN). The attractiveness of WBG material lies in several intrinsic attributes that outperform and outrank those of standard silicon. These attributes include lower switching losses, faster, RF-like switching speeds, increased power densities, and better thermal performance. This all leads to reduction in overall system size, weight, and cost reduction. Nexperia offers GaN MOSFETs. Rohm (SiC MOSFETs, SiC diodes SiC modules), Littelfuse(SiC MOSFETs, SiC diodes), Vishay(SiC diodes), and Toshiba (SiC diodes) offer Silicon Carbide.

Diode/Rectifiers

Diodes and Rectifiers are the most common silicon semiconductor device and were the first semiconductor electronic devices available. Today, most diodes are made of silicon, but other semiconducting materials such as gallium arsenide (GaAs) and germanium (Ge) are also used. TTI has a lineup of world-class premier diode manufacturers including Vishay, IXYS/Littelfuse, Nexperia, Bourns, Rohm, Toshiba, and VPT Components. Types of diodes include:

TVS Diodes/ESD Suppressors (Vishay, Littelfuse, Nexperia, Bourns, Rohm, Toshiba)
Schottky Diodes (Vishay, IXYS/Littelfuse, Rohm, Nexperia, Toshiba)
Silicon Carbide (SiC) Diodes (Rohm, Toshiba, IXYS/Littelfuse, Vishay)
Silicon Germanium (SiGe) Diodes (Nexperia)
Bridge Rectifiers (Vishay, IXYS/Littelfuse, Bourns)
Rectifiers (Vishay, IXYS/Littelfuse, Rohm, Toshiba)
MIL-Rated/High Reliability – (VPT Components, Littelfuse)

Power Management IC's (PMIC)

A PMIC can refer to any chip that is an individual power related function, but generally refer to ICs that incorporate more than one function such as different power conversions and power controls such as voltage supervision and undervoltage protection. Power management ICs are solid state devices that control the flow and direction of electrical power.

Linear and LDO Regulators
AC/DC Converter ICs
Switching Regulators
Drivers (Gate Drivers, LED Drivers, Motor Drivers)
Intelligent Power Modules (IPM) including Smart Low and High side Switch ICs
Battery Management ICs
Load Switch ICs
eFuse ICs

Vishay offers their MicroBUCK® and microBRICK® switching regulators as well as their VRPower® (DrMOS) integrated MOSFETs and drivers. Toshiba is a leader in LDO’s and the eFuse, while Rohm Semi’s PMIC line-up consists of a variety of products, including linear regulators, switching and voltage regulators, power management switch ICs, battery management and gate drivers. And look to IXYS/Littelfuse for their High Voltage LED, MOSFET, and IGBT Drivers.

IoT Applications in all Industries

Internet of Things (IoT) implementation is driving the need for more discrete semiconductors and increasing the expectations of end users. Smaller form factors are emerging as device manufacturers are shrinking the device footprint. All discrete semiconductor are used throughout IoT applications.

Transportation

Transportation and automotive systems include a wide range of functions and products. These include the powertrain, chassis control, body electronics, passive safety systems, interior and exterior lighting, 48 VDC boardnet, start/stop, micro hybrid vehicles, Hybrid Electric Vehicles (HEVs) and Electric Vehicles (EV). All of these depend on discrete semiconductors including logic, diodes and rectifiers, MOSFETs, GaN MOSFETs, SiC MOSFETs, optoelectronic products, transistors, battery management ICs and IGBTs.

Industry 4.0

Industrial revolutions have signaled growth in manufacturing technologies over time, from mechanization to mass production to computers and automation. The emerging fourth industrial revolution is characterized by a combination of cyber and physical systems, fueled by breakthroughs in artificial intelligence, robotics, and similar technologies. Discrete semiconductors have been a key component to this new wave of manufacturing.

Medical

A variety of discrete semiconductor components are used by medical equipment manufacturers. Medical equipment relies on these discrete components to control and protect critical functions. High power switching devices like IGBTs, MOSFETs and Silicon Carbide are used in high powered applications like MRI and X-Ray equipment. Sensors are used in this equipment for metering and to detect fluids, fill levels, and bubbles in IV tubes.

Harsh High Temp/Military/Aerospace Application

New processes allow discrete semiconductors to be rated at much higher temperatures than in the past. Discrete semiconductors used in harsh environments must be able to withstand extreme temperature and humidity, dust, electromagnetic interference, marine environments, radiation and more. Our commercial Off-the-Shelf (COTS), MIL-spec, and Space grade products including discrete semiconductors, microelectronics, sensors and optoelectronics are designed for high-reliability, critical performance applications. Offered with accreditations including QML and QPL certification for JAN/JANTX level, Nadcap, IPC-A-610D, J-STD-00. TTI carries a full line of durable components developed to perform in these extreme conditions.

DISCRETE SEMICONDUCTORS