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Linear Systems designs and manufactures the highest-performance line of monolithic dual JFETs in the industry. Contact us for a quote! Back LSK489 Series: Precision Dual JFETs LOW CAPACITANCE MONOLITHIC DUAL N-CHANNEL JFET The LSK489 is the industry’s lowest input capacitance and low-noise monolithic dual N-Channel JFET. Low input capacitance substantially reduces intermodulation distortion. In addition, these dual JFETs feature tight offset voltage and low drift over temperature range, and are targeted for use in a wide range of precision instrumentation and sensor applications. This part is available in the TO-71 6L, SOIC 8L, SOT-23 6L and DFN 8L package, as well as in die form. 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: LSK489A TO-71 6L RoHS LSK489B TO-71 6L RoHS LSK489A SOIC 8L RoHS LSK489B SOIC 8L RoHS LSK489A SOT-23 6L RoHS LSK489B SOT-23 6L RoHS 489 DFN 8L RoHS LSK489A Die LSK489B Die Datasheet Spice Model Application Notes

SINGLE, N-CHANNEL ENHANCEMENT MODE MOSFET < Back 3N170 Series SINGLE, N-CHANNEL ENHANCEMENT MODE MOSFET The 3N170 Series Single, N-Channel Enhancement Mode MOSFET is a direct replacement for Intersil and Siliconix-Vishay equivalent part. It is ideal for Amplifier and Switching Applications. The part series is available in the TO-72 4L RoHS and SOT-143 4L RoHS package, as well 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: 3N170 TO-72 4L RoHS 3N171 TO-72 4L RoHS 3N170 SOT-143 4L RoHS 3N171 SOT-143 4L RoHS Datasheet Spice Model Application Notes

TIGHTLY MATCHED, MONOLITHIC DUAL, NPN TRANSISTOR < Back LS310 Series TIGHTLY MATCHED, MONOLITHIC DUAL, NPN TRANSISTOR Previous Next

MONOLITHIC DUAL, P-CHANNEL ENHANCEMENT MODE MOSFET < Back 3N165 Series MONOLITHIC DUAL, P-CHANNEL ENHANCEMENT MODE MOSFET The 3N165 Series Monolithic Dual, P-Channel Enhancement Mode MOSFET is a direct replacement for Intersil and Siliconix-Vishay part. It is ideal for Amplifier and switching Applications. This part series is available in the Available in the TO-99 8L RoHS and SOIC 8L 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: 3N165 TO-99 8L RoHS 3N166 TO-99 8L RoHS 3N165 SOIC 8L RoHS 3N1646 SOIC 8L RoHS 3N163 Die 3N164 Die Datasheet Spice Model Application Notes

MONOLITHIC DUAL, PNP TRANSISTOR < Back IT130 Series MONOLITHIC DUAL, PNP TRANSISTOR The IT130 Series Monolithic Dual, PNP Transistor is a direct replacement for the Intersil IT130 Series. It is ideal for Small Signal Transistor Amplifier & Switching Applications. It is available the in TO-71 6L RoHS, TO-78 6L RoHS, PDIP 8L ROHS and SOIC 8L 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 st andard 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: IT130A TO-71 6L RoHS IT130 TO-71 6L RoHS IT131 TO-71 6L RoHS IT132 TO-71 6L RoHS IT130A TO-78 6L RoHS IT130 TO-78 6L RoHS IT131 TO-78 6L RoHS IT132 TO-78 6L RoHS IT130A PDIP 8L RoHS IT130 PDIP 8L RoHS IT131 PDIP 8L RoHS IT132 PDIP 8L RoHS IT130A SOIC 8L RoHS IT130 SOIC 8L RoHS IT131 SOIC 8L RoHS IT132 SOIC 8L RoHS IT130A Die IT130 Die IT131 Die IT132 Die Datasheet Spice Model Application Notes

Welcome to our Literature page, where you can delve into a treasure trove of white papers and application notes covering our range of parts. Explore insights on ultra-low noise JFETs, DMOS, Current Regulating Diodes, JFET Switches, and low-leakage diodes, all designed to empower your understanding of our products. Literature Linear Systems offers an extensive library of technical resources tailored for analog circuit designers. Our collection includes detailed data books, product selection guides, cross-references, datasheets, original application notes, and white papers. This comprehensive literature serves as an invaluable reference for engineers, students, and hobbyists seeking to optimize their signal chain designs. By providing in-depth insights into small-signal discrete semiconductors and JFET applications, our materials empower you to create efficient and innovative analog circuits. Explore our resources to enhance your design process and stay at the forefront of analog technology. Datasheets Linear Systems provides detailed datasheets summarizing our components’ performance in ways to assist designers seeking to find the right part quickly. Our data sheets include typical/minimum/maximum performance data, along with an array of curves illustrating part performance so designers understand how these devices will contribute to overall system performance. Cross Reference Linear Systems continues to produce a wide range of JFET, DMOS and other standard products also previously manufactured by Siliconix, Fairchild and other companies. This cross reference provides buyers with a tool to quickly find replacements for discontinued standard products. Application Notes Linear Systems has a wide range of application notes written by top industry professionals to assist designers in making optimal use of our components in their products.

Learn about Linear Systems’ commitment to quality, including our ISO 9001 certified processes, rigorous testing, and focus on reliable, high-performance analog semiconductors. Quality At Linear Systems, quality is not just a standard; it's a commitment we uphold at every step of our operations. We are proud to have our quality management system certified to ISO 9001:2015, a testament to our unwavering dedication to excellence. Our commitment to quality is reflected in our rigorous internal audit processes, ensuring that every aspect of our operations meets the highest standards. Through our Continuous Improvement Program (CIP), we continuously review and refine our processes, building on past successes to implement best practices across the board. Our ultimate goal is zero defects, and we achieve this by conducting thorough failure analysis and root cause determination at every stage of development and production. By leveraging cutting-edge quality-analysis tools and methods, we ensure that our products consistently meet and exceed expectations. ISO Certificate

< Back DFN Sample Kit Overview Now it’s easier than ever to test-drive Linear Systems’ most popular parts in one of the industry’s smallest leadless packages. This kit includes a sampling of discretes in the near chip scale footprint, DFN 8L package. The DFN package is a plastic encapsulated package with a copper lead frame substrate. It offers a thin profile, low weight and good thermal and electrical performance. Electrical contact to the PCB is made by soldering perimeter leads to PCB. There is no die attach pad exposed on the bottom surface of the package, which provides more flexible PCB level circuitry routing and in some cases, more thermal resistance for the heat conduction from PCB to component. In this kit you will receive 3 pieces of each of the following parts: 174 DFN 8L RoHS: P-Channel, Single, JFET Switch 4392 DFN 8L RoHS: Low Noise, N-Channel JFET Switch PAD5 DFN 8L RoHS: Low Leakage, Single, Pico-Amp Diode 589 DFN 8L RoHS: Monolithic Dual, N-Channel JFET 489 DFN 8L RoHS: Low Noise, Low Capacitance, Monolithic Dual, N-Channel JFET 689 DFN 8L RoHS: Low Noise, Low Capacitance, Monolithic Dual, P-Channel JFET 352 DFN 8L RoHS: Tightly Matched, Monolithic Dual, PNP Transistor 312 DFN 8L RoHS: Tightly Matched, Monolithic Dual, NPN Transistor Ordering Information When ordering this kit please use the following part call out: DFN SAMPLE BOX

MONOLITHIC DUAL, N-CHANNEL, JFET VOLTAGE CONTROLLED RESISTOR < Back VCR11N MONOLITHIC DUAL, N-CHANNEL, JFET VOLTAGE CONTROLLED RESISTOR The VCR11N Monolithic Dual, N-Channel, JFET Voltage Controlled Resistor is a direct Siliconix VCR11 Series. It is Ideal for Variable Resistor and Grain Control Applications. This part is available in the TO-71 4L RoHS package, as well as in die form. 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: VCR11N TO-71 6L VCR11N SOT-23 6L VCR11N DFN 8L VCR11N Die Datasheet Spice Model Application Notes

LOG CONFORMANCE, MONOLITHIC DUAL, NPN TRANSISTOR < Back LS318 LOG CONFORMANCE, MONOLITHIC DUAL, NPN TRANSISTOR Previous Next

MONOLITHIC DUAL, NPN TRANSISTOR < Back IT120 Series MONOLITHIC DUAL, NPN TRANSISTOR Previous Next

LS3250 Single NPN High-Speed Switching Transistor < Back LS3250S - Single The LS3250 Single is a high-performance NPN high-speed switching transistor designed for demanding applications in both analog and digital circuits. Engineered for high-speed switching with low saturation voltage, it enhances efficiency while minimizing power loss, making it ideal for general-purpose switching and signal processing across a wide range of industrial and consumer electronics applications. Available Packages: Die Form (waffle pack ) SOT-23 (3L) (surface-mount ) TO-92 (3L) (through-hole ) Key Features & Benefits: Low Saturation Voltage: Enhances efficiency and reduces power loss Compact Packaging: Versatile options for surface-mount and through-hole applications High-Speed Switching: Optimized for fast, reliable performance in critical circuits Applications: High-speed switching circuits Analog circuit amplification Signal processing Consumer electronics Advanced Screening Options: 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 available when ordering this part series: Standard Part Call-Out: LS3250S DIE LS3250S SOT-23 3L RoHS LS3250S TO-92 3L RoHS Select Part Call-Out:Select parts include SEL + 4-digit numeric code LS3250S DIE SELXXXX LS3250S SOT-23 3L RoHS SELXXXX LS3250S TO-92 3L RoHS SELXXXX High-performance NPN high-speed switching transistor designed for demanding applications in both analog and digital circuits. Datasheet Spice Model Application Notes