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Linear Systems’ Voltage Controlled Resistors feature a narrow range of resistance and high input impedance resulting in better performance of the device. Voltage Controlled Resistors Linear Systems’ Voltage Controlled Resistors feature a narrow range of resistance and high input impedance resulting in better performance of the device. These parts are ideal for Variable Gain Amplifiers, Automatic Gain Controls, Voltage Controlled Oscillators, Small Signal Attenuations and Filter Range Controls. LS26VNS N-CHANNEL JFET, VOLTAGE CONTROLLED RESISTOR Read More LS26VPS_ P-CHANNEL JFET, VOLTAGE CONTROLLED RESISTOR Read More VCR11N MONOLITHIC DUAL, N-CHANNEL, JFET VOLTAGE CONTROLLED RESISTOR Read More

Linear Systems’ low-leakage diodes provide a superior alternative to conventional diode technology when reverse current must be minimized. These devices are well suited for use in applications such as input protection for operational amplifiers. Low Leakage Diodes Linear Systems’ low-leakage diodes provide a superior alternative to conventional diode technology when reverse current must be minimized. These devices are well suited for use in applications such as input protection for operational amplifiers. J/SST/PAD Series SINGLE, LOW LEAKAGE PICO-AMP DIODES Read More ID100 Series MONOLITHIC DUAL, PICO AMP LOW LEAKAGE DIODES Read More PAD Series DFN Package SINGLE, LOW-LEAKAGE PICO AMP DIODES DFN PACKAGE Read More DPAD/SSTDPAD Series LOW LEAKAGE, MONOLITHIC DUAL, PICO-AMP DIODE Read More

The Linear Systems’ BIFET Amplifier features high Input Impedance, high transconductance, low leakage and low noise resulting in better performance than competitor parts. BIFET Amplifier The Linear Systems’ BIFET Amplifier features high Input Impedance, high transconductance, low leakage and low noise resulting in better performance than competitor parts. These devices are ideal for High Impedance Sensor Amplifier Applications. LS320 HIGH INPUT IMPENDANCE, SINGLE, BIFET AMPLIFIER Read More

Linear Systems provides a wide range of JFET switches under its Improved Standard Products ® line of devices. We provide these components in an array of package types and make selections to specific electrical specifications upon request. JFET Switches Linear Systems provides a wide range of JFET switches under its Improved Standard Products ® line of devices. We provide these components in an array of package types and make selections to specific electrical specifications upon request. 2N/PN/SST4391 Series SINGLE, LOW NOISE, N-CHANNEL JFET SWITCH Read More 174DFN Series DFN PACKAGE, SINGLE P-CHANNEL JFET SWITCH Read More 2N5114 Series 2N5114 SERIES LOW ON-RESISTANCE, P-CHANNEL JFET SWITCH Read More 4391DFN Series DFN PACKAGE, SINGLE N-CHANNEL JFET SWITCH Read More LSJ/SST94 SINGLE P-CHANNEL JFET SWITCH Read More J/SST111 Series J111 SERIES LOW LEAKAGE, N-CHANNEL JFET SWITCH Read More J/SST174 Series SINGLE P-CHANNEL JFET SWITCH Read More 2N5018 Series 2N5018 SERIES LOW ON-RESISTANCE, P-CHANNEL JFET SWITCH Read More

Linear Systems’ Current Regulating Diodes are known for tight tolerances and a wide range of current. These parts are an ideal choice for Test Instrumentation and Medical Applications. Current Regulating Diodes Linear Systems’ Current Regulating Diodes are known for tight tolerances and a wide range of current. These parts are an ideal choice for Test Instrumentation and Medical Applications. View our Current Regulating Diodes below. J500 Series CURRENT REGULATING DIODE Read More SST500 Series CURRENT REGULATING DIODE Read More

Linear Systems’ small signal MOSFETs consist of two MOSFETs on the same piece of silicon resulting in better matching and better performance over temperature. MOSFET Transistors Linear Systems’ small signal MOSFET transistors consist of two MOSFETs on the same piece of silicon resulting in better matching and better performance over temperature. They also feature high input impedance, high breakdown voltage, and low capacitance. These devices are commonly used as switches in power electronics circuits and as amplifiers in analog circuits. 3N163 Series SINGLE, P-CHANNEL ENHANCEMENT MODE MOSFET Read More 2N4351 Series SINGLE, N-CHANNEL ENHANCEMENT MODE MOSFET Read More 3N165 Series MONOLITHIC DUAL, P-CHANNEL ENHANCEMENT MODE MOSFET Read More 3N190 Series MONOLITHIC-DUEL, P-CHANNEL ENHANCEMENT MODE MOSFET Read More 3N170 Series SINGLE, N-CHANNEL ENHANCEMENT MODE MOSFET Read More

Linear Systems designs and manufactures the highest-performance line of monolithic dual JFET amplifiers in the industry. JFET Amplifiers Dual Linear Systems designs and manufactures the highest-performance line of monolithic dual JFETs in the industry. The largest line of dual JFETs in the industry, these components use our unique monolithic design that weaves the two devices together over a common substrate. This approach provides the highest possible matching over a wide ranges of temperatures and very high Common-Mode Rejection Ratios. Our design eliminates parasitic capacitance issues that arise with composite dual JFET devices. LSK389 Series LOW NOISE, MONOLITHIC DUAL, N-CHANNEL JFET Read More LSJ689 LOW NOISE, LOW CAPACITANCE MONOLITHIC DUAL P-CHANNEL JFET Read More LS5911 Series WIDEBAND, HIGH GAIN, MONOLITHIC DUAL, N-CHANNEL JFET Read More 2N/LS3954 Series LOW NOISE, LOW DRIFT, MONOLITHIC DUAL, N-CHANNEL JFET Read More 2N/LS5905 Series LOW-LEAKAGE, LOW-DRIFT, MONOLITHIC DUAL, N-CHANNEL JFET AMPLIFIER Read More LSK489 Series: Precision Dual JFETs LOW CAPACITANCE MONOLITHIC DUAL N-CHANNEL JFET Read More SST/U421 Series LOW LEAKAGE, LOW DRIFT, MONOLITHIC DUAL N-CHANNEL JFET Read More LS840 Series LOW-NOISE, LOW-DRIFT, LOW CAPACITANCE, MONOLITHIC DUAL N-CHANNEL JFET AMPLIFIER Read More SST/U401 Series LOW-NOISE, LOW-DRIFT, MONOLITHIC DUAL N-CHANNEL JFET AMPLIFIER Read More SST/U440 Series WIDEBAND, HIGH GAIN, MONOLITHIC DUAL N-CHANNEL JFET AMPLIFIER Read More LSK589 LOW NOISE, LOW CAPACITANCE MONOLITHIC DUAL N-CHANNEL JFET Read More LS844 Series ULTRA-LOW NOISE, LOW-DRIFT, MONOLITHIC DUAL N-CHANNEL JFET AMPLIFIER Read More LS830 Series ULTRA-LOW LEAKAGE, LOW DRIFT, MONOLITHIC DUAL N-CHANNEL JFET Read More 2N5564 Series LOW NOISE, MONOLITHIC DUAL, N-CHANNEL JFET Read More

Application Notes At Linear Systems, we provide a broad collection of application notes written by top industry professionals to guide designers in unlocking the full potential of our components. LSK389 App Note CMR Ratio in Dual JFETs Interfacing Sensors & Transducers LSJ689 App Note Consider the JFET LSK489 App Note LS844 App Note Design Specs for JFETs FETs for Sensor Applications FETching Discrete Amplifier Military Sensor Signal Chains J201 App Note DMOS App Note Low Leakage Diodes Current Regulating Diodes Solving the Noise Puzzle 3N163 App Note JFETs for VC Circuits Headphone Amp Eval Board

Linear Systems’ line of ultra-low-noise, low-noise and standard product JFET singles provide the industry’s widest range of design choices. JFET Amplifiers - Singles Linear Systems’ line of ultra-low-noise, low-noise and standard product JFET singles provide the industry’s widest range of design choices. LSBF862 Ultra-Low Noise, High Input Impedance, N-Channel JFET Amplifier Read More 2N/PN/SST4416 Series SINGLE, HIGH FREQUENCY, N-CHANNEL JFET AMPLIFIER Read More 4117DFN SERIES SINGLE, LOW CAPACITANCE, ULTRA-HIGH INPUT IMPEDANCE N-CHANNEL JFET AMPLIFIER - DFN Read More J/SST210 Series LOW NOISE N-CHANNEL JFET GENERAL PURPOSE AMPLIFIER Read More LSK170X ULTRA LOW NOISE, HIGH IDSS SINGLE N-CHANNEL JFET AMPLIFIER Read More LS190 GENERAL PURPOSE Read More LSK170 Series SINGLE, LOW NOISE, LOW CAPACITANCE, HIGH INPUT IMPEDANCE, N-CHANNEL JFET AMPLIFIER Read More 2N/PN/SST4117 Series SINGLE, LOW CAPACITANCE, ULTRA-HIGH INPUT IMPEDANCE, N-CHANNEL JFET AMPLIFIER Read More LSBF510 GENERAL PURPOSE, LOW-NOISE, LOW-COST, SINGLE N-CHANNEL JFET, REPLACEMENT FOR THE BF510 Read More LS/PF/SST5301 SINGLE, HIGH INPUT IMPEDANCE, N-CHANNEL JFET AMPLIFIER Read More LSK189 SINGLE, LOW-NOISE, LOW-LEAKAGE, N-CHANNEL JFET AMPLIFIERS Read More LS846 SINGLE, LOW-LEAKAGE, LOW-NOISE, N-CHANNEL JFET AMPLIFIER Read More LSJ/SST74 Series SINGLE, ULTRA-LOW NOISE, P-CHANNEL JFET AMPLIFIER Read More LSJ289 LOW NOISE, LOW CAPACITANCE SINGLE P-CHANNEL JFET Read More J/SST201 Series SINGLE, LOW NOISE, HIGH GAIN, N-CHANNEL JFET AMPLIFIER Read More J/SST/U308 Series SINGLE, HIGH FREQUENCY, N-CHANNEL JFET AMPLIFIER Read More LS5301 HIGH INPUT IMPEDANCE, N-CHANNEL JFET AMPLIFIER Read More

Linear Systems designs and manufactures the highest-performance line of monolithic dual JFETs in the industry. Contact us for a quote! Back LSK389 Series LOW NOISE, MONOLITHIC DUAL, N-CHANNEL JFET T he LSK389A, B, C and D grades of high performance monolithic dual JFETs feature extremely low noise, tight offset voltage and low drift over temperature specifications, and is targeted for use in a wide range of precision instrumentation applications. This series has a wide selection of offset and drift specifications. This high-performance, ultra-low-noise dual N-Channel JFET amplifier is the only 100-percent noise tested JFET available and provides the optimal balance between very low noise (en =1.3nV/√Hz) and input capacitance (Ciss = 25pF). Available in TO-71 6L, SOIC 8L, as well as die form. Advanced screening options are available for our diverse product lineup, featuring JFETS, Bipolar transistors, Mosfet, current regulators, and Diodes. Our special screening covers all the parameters listed in the standard data sheet, including comprehensive package pin-out. Connect with our experienced technical team to discuss your specific needs and tailor your requirements—email us at support@linearsystems.com or call (510) 490-9160. MOQ applies to these specialized services. Ordering Information Below are the options you have when ordering this part series: LSK389A TO-71 6L RoHS LSK389B TO-71 6L RoHS LSK389C TO-71 6L RoHS LSK389D TO-71 6L RoHS LSK389A SOIC 8L RoHS LSK389B SOIC 8L RoHS LSK389C SOIC 8L RoHS LSK389D SOIC 8L RoHS LSK389A Die LSK389B Die LSK389C Die LSK389D Die Datasheet Spice Model Application Notes

SD/SST210 SINGLE, HIGH SPEED N-CHANNEL LATERAL DMOS FET SWITCH < Back SD/SST210 Series SD210 SINGLE, HIGH SPEED N-CHANNEL LATERAL DMOS FET SWITCH The SD/SST210 Series is a Single, High Speed N-Channel Lateral DMOS FET Switch, ideal for Ultra-High Speed Switching Applications. Linear Systems acquired the Siliconix Lateral DMOS FET Switch product line, so our version is the same maskset, same process and is an exact pin-for-pin replacement . It is available in the TO-72 4L RoHS and SOT-143 4L RoHS package, as well as bare die. Advanced screening options are available for our diverse product lineup, featuring JFETS, Bipolar transistors, MOSFETs, current regulators, and Diodes. Our special screening covers all the parameters listed in the standard datasheet, including comprehensive package pin-out. Connect with our experienced technical team to discuss your specific needs and tailor your requirements—email us at support@linearsystems.com or call (510) 490-9160. MOQ applies to these specialized services. Ordering Information Below are the options you have when ordering this part series: SD210DE TO-72 4L RoHS SD214DE TO-72 4L RoHS SST210 SOT-143 4L RoHS SST214 SOT-143 4L RoHS Datasheet Spice Model Applicaton Notes

< Back MOSFETs Linear Systems Jul 9, 2024 Linear Systems’ small signal MOSFETs consist of two MOSFETs on the same piece of silicon resulting in better matching and better performance over temperature. In the world of electronics, MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) are a type of field-effect transistor that have become increasingly popular due to their ability to handle high power and voltage levels. They are an essential component in many electronic devices and systems, making them an important topic for anyone interested in electrical engineering. Linear Systems, a renowned electronics company, is well-known for its production of high-quality MOSFETs. In this article, we will explore the basics of MOSFETs and dive into the specific features and advantages offered by Linear Systems' MOSFETs. What is a MOSFET? A MOSFET is a type of transistor that works by controlling the flow of current between the source and drain terminals using an electric field. The electric field is created by applying a voltage to the gate terminal, which is separated from the channel (where the current flows) by a thin layer of insulating material. There are two main types of MOSFETs: N-channel and P-channel. In an N-channel MOSFET, a negative voltage applied to the gate creates an electric field that allows current to flow between the source and drain terminals. In a P-channel MOSFET, a positive voltage applied to the gate has the same effect. Features of Linear Systems' MOSFETs Linear Systems takes pride in producing high-quality MOSFETs that offer a range of features and advantages. Here are some notable ones: High Power Handling: Linear Systems' MOSFETs can handle high power levels, making them suitable for use in various applications such as power supplies and motor drivers. Low On-State Resistance: The on-state resistance (RDS(on)) is an important parameter that determines the efficiency of a MOSFET. With its advanced design and manufacturing processes, Linear Systems' MOSFETs have low RDS(on) values, leading to reduced power losses and improved performance. Fast Switching Speed: Another critical factor in MOSFET performance is switching speed. Linear Systems' MOSFETs have fast switching speeds, allowing for efficient control of current flow and reducing the risk of thermal damage. Low Gate Threshold Voltage: The gate threshold voltage is the minimum voltage required to turn on a MOSFET. With low gate threshold voltages, Linear Systems' MOSFETs can be easily controlled by lower voltage signals, making them suitable for use in low-power applications. High Temperature Operation: Linear Systems' MOSFETs are designed to operate at high temperatures without sacrificing performance or reliability. This makes them ideal for use in harsh environments where other components may struggle to function properly. Advantages of Using Linear Systems' MOSFETs In addition to their features, Linear Systems' MOSFETs also offer several advantages over other types of transistors: Lower Cost: Compared to bipolar junction transistors (BJTs), MOSFETs are typically less expensive to produce. This cost-saving is passed onto customers, making Linear Systems' MOSFETs a more economical option for many applications. Less Power Consumption: MOSFETs have lower power consumption compared to BJTs due to their high input impedance and low leakage currents. This results in lower operating costs and improved energy efficiency for devices that use them. Smaller Size: Due to their small size and simplified manufacturing process, MOSFETs can be made in much smaller packages compared to BJTs. This makes them ideal for use in compact devices or applications where space is limited. High Reliability: Linear Systems' MOSFETs are highly reliable and have a long lifespan, making them suitable for use in critical systems that require continuous operation. They also have built-in protection features such as overvoltage and overcurrent protection, further increasing their reliability. Applications of Linear Systems' MOSFETs Due to their numerous advantages, Linear Systems' MOSFETs find use in various applications across different industries: Power Electronics: MOSFETs are commonly used in power electronics, such as motor drives and power supplies. Their high switching speed and low on-resistance make them well-suited for these applications. Automotive Industry: MOSFETs are also used extensively in the automotive industry due to their ability to handle high currents and voltages. They can be found in various components of vehicles, including ignition systems, electric windows, and electronic control units. Consumer Electronics: Many consumer electronics devices use MOSFETs, such as smartphones, laptops, and televisions. Their small size and low power consumption make them ideal for use in portable devices where space is limited. Industrial Automation: MOSFETs are commonly used in industrial automation systems, such as motor controllers and power inverters. Their high efficiency and reliability make them well-suited for these applications. Renewable Energy Systems: MOSFETs** play a crucial role in renewable energy systems, such as solar panels and wind turbines. They help regulate the flow of electricity by converting DC power to AC or vice versa, allowing for more efficient use of renewable energy sources.** Conclusion MOSFETs offer numerous advantages over traditional BJTs, making them an essential component in modern electronic devices and applications. With continued advancements in technology, MOSFETs will continue to play a vital role in increasing efficiency and reliability for various industries. As new developments in materials and design continue to emerge, MOSFETs will become even more versatile and play an even bigger role in powering the devices of tomorrow. So next time you power up your smartphone or use renewable energy, remember that MOSFETs are working hard behind the scenes to make it all possible! Additionally, researchers are constantly exploring new ways to improve MOSFET technology by experimenting with different materials, structures, and fabrication techniques. This ongoing research aims to further enhance the performance and efficiency of MOSFETs, making them an integral part of our future technological advancements. Moreover, as demand for low-power consumption continues to increase in various industries such as automotive, consumer electronics, and space exploration, MOSFETs will be crucial in meeting these energy-efficient requirements. This further highlights the significance of MOSFETs and their continued development in shaping our modern world. Future Possibilities: As technology advances and new applications emerge, there is no limit to what can be achieved with MOSFETs. With the potential for higher power densities, faster switching speeds, and improved reliability, MOSFETs have a promising future in various industries. From electric vehicles to smart grids, from medical devices to space missions, there are endless possibilities for using MOSFETs to improve efficiency and performance. As researchers continue to push the limits of what is possible with this technology, we can expect to see even more innovative uses of MOSFETs in the near future. Collaboration and Innovation: The development of MOSFET technology has been a collaborative effort between scientists, engineers, and manufacturers from around the world. This collaboration allows for the sharing of ideas, resources, and expertise leading to continuous innovation and improvement of MOSFETs. As we move towards a more interconnected global society, this collaborative approach will be crucial in driving advancements in MOSFET technology and its diverse applications. Impact on Society: The impact of MOSFETs goes beyond just technological advancement. These devices have also played a significant role in shaping our modern society. With their ability to improve energy efficiency and reduce power consumption, MOSFETs have contributed to reducing our carbon footprint and promoting sustainable living. Additionally, the use of MOSFETs in various electronic devices has made them more accessible and affordable for a wider demographic, enhancing connectivity and communication across the globe. Continued Development: Despite their success and widespread use, researchers are not slowing down in their efforts to improve MOSFET technology. As we continue to demand higher performance from our devices, the development of new materials, structures, and fabrication techniques will be crucial in meeting these demands. This continuous improvement ensures that MOSFETs remain at the forefront of technological innovation for years to come. View our MOSFETs.