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

119993 Products showing for Semiconductors

1735 of 999+
onsemi, 5.1V Zener Diode 5% 500 mW SMT 2-Pin SOD-523
  • RS Stock No. 145-5240
  • Mfr. Part No. SZMM5Z5V1T1G
Each (On a Reel of 3000)
£0.067
Texas Instruments, LM2672M-ADJ/NOPB Step-Down Switching Regulator, 1-Channel 1A Adjustable 8-Pin, SOIC
  • RS Stock No. 920-3637
  • Mfr. Part No. LM2672M-ADJ/NOPB
Each (In a Tube of 95)
£2.672
Infineon CoolMOS™ P7 N-Channel MOSFET, 31 A, 600 V, 3-Pin TO-220 IPP60R099P7XKSA1
  • RS Stock No. 215-2538
  • Mfr. Part No. IPP60R099P7XKSA1
Each (In a Tube of 50)
£1.875
STMicroelectronics SMAJ18A-TR, Uni-Directional TVS Diode, 400W, 2-Pin DO-214AC
  • RS Stock No. 168-7136
  • Mfr. Part No. SMAJ18A-TR
Each (On a Reel of 5000)
£0.075
Microchip MCP73830LT-0AAI/MYY, Battery Charge Controller IC, 3.75 → 6 V, 15μA 6-Pin, TDFN
  • RS Stock No. 598-962
  • Mfr. Part No. MCP73830LT-0AAI/MYY
Each (On a Reel of 3000)
£0.808
Infineon N-Channel MOSFET Transistor, 52 A, 100 V PG-TO252-3 IPB016N08NF2SATMA1
  • RS Stock No. 259-2571P
  • Mfr. Part No. IPB016N08NF2SATMA1
Each (Supplied on a Reel)
£3.39
Littelfuse SMAJ100A, Uni-Directional TVS Diode, 400W, 2-Pin DO-214AC
  • RS Stock No. 171-9650P
  • Mfr. Part No. SMAJ100A
Each (Supplied on a Reel)
£0.268
NJM12903RB1-TE1 Nisshinbo Micro Devices, Comparator, Open Collector O/P, 0.5μs 15 V 8-Pin MSOP8(TVSP8)
  • RS Stock No. 248-4231
  • Mfr. Part No. NJM12903RB1-TE1
Each (On a Reel of 2000)
£0.232
LT1206CS8#PBF Analog Devices, Current Feedback, Op Amp, 60MHz, 8-Pin SOIC
  • RS Stock No. 779-9136P
  • Mfr. Part No. LT1206CS8#PBF
Each (Supplied in a Tube)
£11.69
STMicroelectronics Precision Precision Voltage Reference 5V 1% SOT23-3L, LM4040DELT-5.0
  • RS Stock No. 244-3193P
  • Mfr. Part No. LM4040DELT-5.0
Each (Supplied on a Reel)
£0.606
Maxim Integrated ICM7242IPA+, Timer Circuit, 8-Pin PDIP
  • RS Stock No. 190-5926P
  • Mfr. Part No. ICM7242IPA+
Each (Supplied in a Tube)
£2.204
onsemi 74LVTH125MTCX, Voltage Level Shifter Buffer 1, 14-Pin TSSOP
  • RS Stock No. 186-8519P
  • Mfr. Part No. 74LVTH125MTCX
Each (Supplied on a Reel)
£0.50
onsemi, 3V Zener Diode 5% 300 mW SMT 2-Pin SOD-323
  • RS Stock No. 145-3630
  • Mfr. Part No. MM3Z3V0T1G
Each (On a Reel of 3000)
£0.016
onsemi MC74LCX573DTG, Voltage Level Shifter 1, 20-Pin TSSOP
  • RS Stock No. 186-8490P
  • Mfr. Part No. MC74LCX573DTG
Each (Supplied in a Tube)
£0.654
STMicroelectronics Surface Mount, 3-pin, TRIAC, 800V, Gate Trigger 1.3V 800V
  • RS Stock No. 273-5158
  • Mfr. Part No. T1235H-8G
Each (In a Pack of 5)
£1.556
Infineon Dual SiC N-Channel MOSFET, 197 A, 40 V, 3-Pin PG-TO263-3 IPB012N04NF2SATMA1
  • RS Stock No. 262-5845P
  • Mfr. Part No. IPB012N04NF2SATMA1
Each (Supplied on a Reel)
£2.32
Microchip, 8bit PIC, PIC18F Microcontroller, 64MHz, 8 kB, 256 B Flash, 28-Pin SOIC
  • RS Stock No. 666-9860
  • Mfr. Part No. PIC18F23K20-I/SO
Each (In a Pack of 2)
£1.73
ROHM 45V 15A, Dual Diode, 3-Pin DPAK RBQ15BGE45ATL
  • RS Stock No. 223-6248
  • Mfr. Part No. RBQ15BGE45ATL
Each (On a Reel of 2500)
£0.49
Microchip, DAC 8 bit- 82LSB Serial (2 Wire, I2C), 6-Pin SOT-23
  • RS Stock No. 598-060
  • Mfr. Part No. MCP4726A3T-E/CH
Each (On a Reel of 3000)
£0.791
Silicon Labs, 8bit 8051, C8051F Microcontroller, 25MHz, 16 kB Flash, 32-Pin LQFP
  • RS Stock No. 168-9805
  • Mfr. Part No. C8051F320-GQ
Each (In a Tray of 250)
£9.10
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