Semiconductors

RS offers a comprehensive range of semiconductor devices from leading manufacturers. Our broad portfolio includes products from ON Semiconductor, STMicroelectronics, Vishay, Microchip, Infineon, Analog Devices, plus many more.

Our extensive semiconductor offer provides a single point of supply throughout an electronic product life-cycle. For prototyping, we offer an extensive range of development boards and silicon in convenient small quantities. To cater for production we also supply silicon in manufacturer standard bulk packaging, such as trays, tubes and reels etc. Combined with the wide variety of semiconductor device types and technologies on offer, RS is an excellent source for you electronic component needs.

What is a Semiconductor?

Simplistically, a semiconductor is a material that has an electrical conductance between that of an insulator and a conductor. This means that a semiconductor can conduct current, but only partially. This key characteristic provides the foundation for modern electronic devices.

Semiconductors are essential in electronics as their properties can be modified and manipulated to provide useful functionality. For example, in a mosfet transistor, a voltage can be applied to the semiconductor material from which it is constructed to control whether the mosfet conducts current or not, providing an electronic, solid state switch. Another example would be a rectifier, where the semiconductor construction means that current can flow more easily in one direction that the other, providing directional current flow control.

The most common semiconductor material used within electronics is silicon, the term becoming ubiquitous to describe PCB semiconductor devices as a whole.

Common Semiconductor Devices Types

There are hundreds, if not thousands of semiconductor device types that can be split into two broad device types:

  • Discretes - A simple device, a device with just one circuit element. Common examples include transistors such as mosfets, diodes, TRIACS and LEDs.
  • Integrated Circuits (ICs) - Electronic devices that incorporate several circuit elements into one package. Examples include microcontrollers, microprocessors, analogue-to-digital converters, operational amplifiers and voltage regulators.

Typical Applications

An electronic product will have many semiconductor devices within its construction. The global market for semiconductors in 2017 was over $400 billion, demonstrating how essential they are to modern society.

Amplifiers & Comparators
Amplifiers & Comparators
Audio & Video ICs
Audio & Video ICs
Chip Programmers & Debuggers
Chip Programmers & Debuggers
Clock, Timing & Frequency ICs
Clock, Timing & Frequency ICs
Communication & Wireless Module ICs
Communication & Wireless Module ICs
Data Converters
Data Converters
Discrete Semiconductors
Discrete Semiconductors
Interface ICs
Interface ICs
Logic ICs
Logic ICs
Memory Chips
Memory Chips
Power Management ICs
Power Management ICs
Processors & Microcontrollers
Processors & Microcontrollers
Programmable Logic ICs
Programmable Logic ICs
Sensor ICs
Sensor ICs

121288 Products showing for Semiconductors

23 of 999+
Renesas Electronics Precision Voltage Reference 3V ±1.0mV SOT-23, ISL60002CIH330Z-TK
  • RS Stock No. 256-1629
  • Mfr. Part No. ISL60002CIH330Z-TK
Each (In a Pack of 2)
£3.895
Texas Instruments SN74LS138N, Decoder, 16-Pin PDIP
  • RS Stock No. 368-6039
  • Mfr. Part No. SN74LS138N
Each (In a Tube of 25)
£0.436
Texas Instruments LM317T/NOPB, 1 Linear Voltage, Voltage Regulator 1.5A, 1.2 → 37 V 3-Pin, TO-220
  • RS Stock No. 533-8209
  • Mfr. Part No. LM317T/NOPB
Each
£1.20
Vishay 400V 3A, Rectifier Diode, 2-Pin DO-201AD 1N5404-E3/54
  • RS Stock No. 628-9473
  • Mfr. Part No. 1N5404-E3/54
Each (In a Pack of 10)
£0.211
Diodes Inc Bridge Rectifier, 6A, 1000V, 4-Pin
  • RS Stock No. 121-9633
  • Mfr. Part No. GBJ610-F
Each (In a Tube of 15)
£0.487
Vishay 200V 1A, Rectifier Diode, 2-Pin DO-204AL 1N4003-E3/54
  • RS Stock No. 628-8997
  • Mfr. Part No. 1N4003-E3/54
Each (In a Pack of 10)
£0.098
Diodes Inc Bridge Rectifier, 1A, 400V, 4-Pin
  • RS Stock No. 738-5005
  • Mfr. Part No. DF04S-T
Each (In a Pack of 25)
£0.30
Vishay Bridge Rectifier, 1A, 1000V, 4-Pin
  • RS Stock No. 629-6005
  • Mfr. Part No. DF10M-E3/45
Each (In a Pack of 5)
£0.228
STMicroelectronics,Audio25W, 11-Pin MULTIWATT V TDA7265
  • RS Stock No. 426-168
  • Mfr. Part No. TDA7265
Each
£5.97
Nexperia 40V 200mA, Dual Schottky Diode, 3-Pin SOT-23 BAT721C,215
  • RS Stock No. 509-695
  • Mfr. Part No. BAT721C,215
Each (In a Pack of 50)
£0.101
onsemi MC7805CDTRKG, 1 Linear Voltage, Voltage Regulator 2.2A, 5 V 3-Pin, DPAK
  • RS Stock No. 688-9253
  • Mfr. Part No. MC7805CDTRKG
Each (In a Pack of 2)
£0.355
STMicroelectronics L7812CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 12 V 3-Pin, TO-220
  • RS Stock No. 793-1355
  • Mfr. Part No. L7812CV-DG
Each (In a Pack of 10)
£0.417
STMicroelectronics L78L33ACUTR, 1 Linear Voltage, Voltage Regulator 100mA, 3.3 V 3-Pin, SOT-89
  • RS Stock No. 686-9426
  • Mfr. Part No. L78L33ACUTR
Each (In a Pack of 25)
£0.157
onsemi UC3842BNG, PWM Controller, 500 kHz 8-Pin, PDIP
  • RS Stock No. 516-5146
  • Mfr. Part No. UC3842BNG
Each
£1.57
Infineon HEXFET N-Channel MOSFET, 100 A, 75 V, 3-Pin D2PAK IRF1407STRLPBF
  • RS Stock No. 907-5179
  • Mfr. Part No. IRF1407STRLPBF
Each (In a Pack of 8)
£0.558
STMicroelectronics L7805CV-DG, 1 Linear Voltage, Voltage Regulator 1.5A, 5 V 3-Pin, TO-220
  • RS Stock No. 793-1346
  • Mfr. Part No. L7805CV-DG
Each (In a Pack of 10)
£0.422
STMicroelectronics, 32bit ARM Cortex M3, STM32F1 Microcontroller, 36MHz, 64 kB Flash, 48-Pin LQFP
  • RS Stock No. 402-190
  • Mfr. Part No. STM32F101C8T6
Each
£4.24
Vishay Switching Diode, Stud Anode, 2-Pin DO-4 VS-25FR120
  • RS Stock No. 227-9387
  • Mfr. Part No. VS-25FR120
Each
£6.99
Diodes Inc 30V 500mA, Schottky Diode, 2-Pin SOD-323 B0530WS-7-F
  • RS Stock No. 738-4740
  • Mfr. Part No. B0530WS-7-F
Each (In a Pack of 50)
£0.104
Texas Instruments LM317LZ/NOPB, 1 Linear Voltage, Voltage Regulator 100mA, 1.2 → 37 V 3-Pin, TO-92
  • RS Stock No. 533-5711
  • Mfr. Part No. LM317LZ/NOPB
Each
£0.56
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