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< Back Burning Amp Festival Linear Systems Mar 17, 2023 Burning Amp Festival - A DIY Audio Gathering Burning Amp Festival Every year Linear Systems sponsors one of the audio industry’s best-regarded DIY amplifier design, display and discussion events, Burning Amp Festival. Here audio enthusiasts enjoy sharing their displays and demonstrations of incredible audio projects, and talk-shop with renowned industry leaders. Speakers such as audio legend Nelson Pass, take the stage to discuss recent projects and engage with the crowd in a Q&A session. It’s no wonder Burning Amp continually attracts audio DIYers from around the world! Burning Amp typically takes place in late October/early November. In past years the event has been held at various locations throughout the Bay Area, such as Fort Mason in San Francisco, CA. Due to COVID-19, this year’s event is cancelled, but we look forward with great anticipation to the Burning Amp Festival 2021.Interested in presentations from past years speakers? Visit our YouTube Channel: www.youtube.com/user/LinearSystemsUSA

DFN PACKAGE, SINGLE P-CHANNEL JFET SWITCH < Back 174DFN Series DFN PACKAGE, SINGLE P-CHANNEL JFET SWITCH The 174DFN Series Low On-Resistance, P-Channel JFET Switch is a direct replacement for the Fairchild and Siliconix-Vishay part series. It is ideal for low resistance, low operating current switching applications. Available in the DFN 8L RoHS, TO-92 3L RoHS and SOT-23 3L 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 series: 174DFN 8L RoHS 175DFN 8L RoHS 176DFN 8L RoHS 177DFN 8L RoHS J174 TO-92 3L RoHS J175 TO-92 3L RoHS J176 TO-92 3L RoHS J177 TO-92 3L RoHS SST174 SOT-23 3L RoHS SST175 SOT-23 3L RoHS SST176 SOT-23 3L RoHS SST177 SOT-23 3L RoHS J174 Die J175 Die J176 Die J177 Die Datasheet Spice Model Application Notes

P-CHANNEL JFET, VOLTAGE CONTROLLED RESISTOR < Back LS26VPS_ P-CHANNEL JFET, VOLTAGE CONTROLLED RESISTOR The LS26VPS is a P-Channel Single JFET voltage-controlled resistor. It has a drain-source resistance that is controlled by a DC bias voltage (VGS) applied to a high impedance gate terminal. Minimum RDS of 20 Ω occurs when VGS = 3.0V. As VGS approaches the pinch-off voltage of 7.5V, RDS rapidly increases to the maximum value or RDS = 50 Ω. For the N-Channel version, please see our LS26VNS. Both the N and P-channel parts are made from the same die geometry, making them complimentary. This part is available in the TO-92 3L RoHS, SOT-23 3L RoHS and DFN 8L 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: LS26VPS TO-92 3L RoHS LS26VPS SOT-23 3L RoHS LS26VPS DFN 8L RoHS Datasheet Spice Model Application Notes

SINGLE, LOW-LEAKAGE PICO AMP DIODES DFN PACKAGE < Back PAD Series DFN Package PAD-DFN SERIES MINIATURE/NON MAGNETIC 8-PIN DFN PACKAGE LOW LEAKAGE DIODE The PAD Series Ultra-Low Leakage, Protection Diode is a direct replacement for the Siliconix-Vishay part series. It is ideal for Pico Amp, Ultra-Low Leakage, Protection Diode Applications. This part series is available in the mineature DFN 8L RoHS package, as well as the TO-72 3L RoHS, TO-92 2L RoHS and SOT-23 3L RoHS and 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: PAD1 DFN 8L RoHS PAD2 DFN 8L RoHS PAD5 DFN 8L RoHS PAD10 DFN 8L RoHS PAD20 DFN 8L RoHS PAD50 DFN 8L RoHS PAD100 DFN 8L RoHS PAD1 TO-72 3L RoHS PAD2 TO-72 3L RoHS PAD5 TO-72 3L RoHS PAD10 TO-72 3L RoHS PAD20 TO-72 3L RoHS PAD50 TO-72 3L RoHS PAD100 TO-72 3L RoHS JPAD1 TO-92 2L RoHS JPAD2 TO-92 2L RoHS JPAD5 TO-92 2L RoHS JPAD10 TO-92 2L RoHS JPAD20 TO-92 2L RoHS JPAD50 TO-92 2L RoHS JPAD100 TO-92 2L RoHS PAD1 SOT-23 3L RoHS PAD2 SOT-23 3L RoHS PAD5 SOT-23 3L RoHS PAD10 SOT-23 3L RoHS PAD20 SOT-23 3L RoHS PAD50 SOT-23 3L RoHS PAD100 SOT-23 3L RoHS PAD1 Die PAD2 Die PAD5 Die PAD10 Die PAD20 Die PAD50 Die PAD100 Die Datasheet Spice Model Application Notes

J111 SERIES LOW LEAKAGE, N-CHANNEL JFET SWITCH < Back J/SST111 Series J111 SERIES LOW LEAKAGE, N-CHANNEL JFET SWITCH The J/SST111 Series Low Leakage, N-Channel JFET Switch is a direct replacement for the Siliconix-Vishay equivalent part. It is ideal for fast switching, low leakage, switching applications. Available in the TO-92 3L RoHS and SOT-23 3L RoHS package, as well as in die from. 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: J111 TO-92 3L RoHS J112 TO-92 3L RoHS J113 TO-92 3L RoHS SST111 SOT-23 3L RoHS SST112 SOT-23 3L RoHS SST113 SOT-23 3L RoHS J111 Die J112 Die J113 Die Datasheet Spice Model Application Notes

2N5114 SERIES LOW ON-RESISTANCE, P-CHANNEL JFET SWITCH < Back 2N5114 Series 2N5114 SERIES LOW ON-RESISTANCE, P-CHANNEL JFET SWITCH The 2N5114 Series Low On-Resistance, P-Channel JFET Switch is a direct replacement for Siliconix-Vishay equivalent part. It is ideal for low resistance, low capacitance switching applications. Available in TO-18 3L 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 series: 2N5114 TO-18 3L RoHS 2N5115 TO-18 3L RoHS 2N5116 TO-18 3L RoHS 2N5114 Die 2N5115 Die 2N5116 Die Datasheet Spice Model Application Notes

TIGHTLY MATCHED, MONOLITHIC DUAL, NPN TRANSISTOR < Back LS3250 Series - Dual TIGHTLY MATCHED, MONOLITHIC DUAL, NPN TRANSISTOR The LS3250 Tightly Matched, Monolithic Dual, NPN Transistor is a Higher Current Version of the MP310, MP311, MP312, and MP313 Series. It is ideal for Higher Current, Small Signal Transistor, Super Beta, 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 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: LS3250A TO-71 6L RoHS LS3250B TO-71 6L RoHS LS3250C TO-71 6L RoHS LS3250A TO-78 6L RoHS LS3250B TO-78 6L RoHS LS3250C TO-78 6L RoHS LS3250A PDIP 8L RoHS LS3250B PDIP 8L RoHS LS3250C PDIP 8L RoHS LS3250A SOIC 8L RoHS LS3250B SOIC 8L RoHS LS3250C SOIC 8L RoHS LS3250A Die LS3250B Die LS3250C Die Datasheet Spice Model Application Notes

< Back LSJ689 Press Release Linear Systems Mar 17, 2023 Ultra Low Noise P-Channel Dual JFET NEWS RELEASE CONTACT: Linear Integrated Systems, Inc. 510-490-9160 sales@linearsystems.com LINEAR INTEGRATED SYSTEMS ANNOUNCES ULTRA LOW NOISE P-CHANNEL DUAL JFET Fremont, California – June 1, 2016 – Linear Integrated Systems, a leading full-service manufacturer of specialty linear semiconductors, announces the immediate availability of its LSJ689, a 1.8 nV/Hz @ 1kHz, low-capacitance, monolithic dual P-Channel JFET. The LSJ689 serves as the P-Channel complement to the popular monolithic dual N-Channel JFET, the LSK489. This addition to Linear Systems' family of Ultra-Low-Noise JFETs provides designers with expanded options beyond traditional N-Channel JFETs. The monolithic dual construction of the LSJ689 and LSK489 offers superior solutions for tighter Idss (drain-source saturation current) matching and improved thermal tracking compared to using individually matched JFETs. As the availability of P-Channel JFETs has declined, complementary single N-Channel and P-Channel JFETs have become increasingly limited to a few industry standards. In response, Linear Systems developed the LSK170 and LSJ74 families, providing complementary N & P-Channel single JFETs. Now, the LSJ689 and LSK489 monolithic dual JFETs provide further design flexibility, with significantly lower capacitance—4 pF versus the 25 pF of LSK170 and LSJ74. The LSJ689 and LSK489 are well-suited for differential input stages in amplifier, phono, and preamplifier designs. Additional applications include voltage-controlled resistors, thermal stable source followers, sample and hold circuits, and current matched sources. The LSJ689 is available in RoHS-compliant SOT-23 6L, SOIC-A 8L, and TO-71 6L package options. The SOT-23 6L and SOIC-A 8L packages are ideal for space-constrained circuits in audio and instrumentation applications. Key Features: - Complement to the Ultra Low Noise Monolithic Dual N-Channel JFET LSK489 - Ultra Low Noise (typically 1.8 nV/Hz @ 1kHz) - Nearly Zero Popcorn Noise - Idss (drain-source saturation current) matching to 10% max - Low Offset/Tight Matching (|Vgs1 - Vgs2| = 20mV max) - Low Capacitance (Ciss = 4 pF) - High Input Impedance - High Breakdown Voltage (BVGSS = 40V Min) - Monolithic Dual (2 JFETs on one piece of silicon, offering better matching and thermal tracking) - Available in Surface Mount SOIC-A 8L and compact SOT-23 6L packages - Lead-free/RoHS Compliant Applications: - Microphone Amplifiers, Phono Preamplifiers, Audio Amplifiers, and Preamps - Discrete Low-Noise Operational Amplifiers - Battery-Operated Audio Preamps - Audio Mixer Consoles, Acoustic Sensors, Sonic Imaging - Instrumentation Amplifiers - Wideband Differential Amplifiers - High-Speed Comparators - Impedance Converters - Voltage-Controlled Resistors, Sample and Hold, Source Followers Availability: Sampling now in SOIC-A 8L, TO-71 6L, and SOT-23 6L package options. Delivery: Factory Stock About Linear Integrated Systems Founded in 1987, Linear Integrated Systems is a precision semiconductor company providing high-quality discrete components. The company’s expertise is built upon processes and products developed at Amelco, Union Carbide, Intersil, and Micro Power Systems by founder John H. Hall. Hall, a protégé of Silicon Valley legend Dr. Jean Hoerni, previously served as Director of IC Development at Union Carbide, co-founder and Vice President of R&D at Intersil, and founder/president of Micro Power Systems. Linear Systems is a U.S.-based, full-service manufacturer of specialty linear products headquartered in Fremont, California. The company’s small-signal discrete product lines are specifically designed to meet new design and second-source requirements in the audio, hybrid, medical, space, and test and measurement markets. Our product lines include BIFET Amplifiers, Bipolar Transistors, Current Regulating Diodes, JFETs, High-Speed Lateral DMOS Switches, Low Leakage Diodes, and MOSFETs. Linear Integrated Systems provides pin-for-pin replacements for more than 2,000 discrete devices, including those currently offered or previously discontinued by Interfet, Intersil, Micro Power Systems, Motorola, National, Fairchild, Toshiba, and Siliconix-Vishay. Engineers are encouraged to contact Linear Systems for assistance with applications or special testing needs.

TIGHT MATCHING, MONOLITHIC DUAL, PNP TRANSISTOR < Back LS350 Series TIGHT MATCHING, MONOLITHIC DUAL, PNP TRANSISTOR The LS350 Series, Tight Matching, Monolithic Dual, PNP Transistor is a direct replacement for the Analog Devices MAT series and Micro Power Systems MP350, MP351, and MP352 Series. It is ideal for Tight Matching, Small Signal, Transistors Amplifier & Switching Applications. It is available the in TO-71 6L, TO-78 6L, PDIP 8L, SOIC 8L, SOT-23 6L and DFN 8L 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: LS350 TO-71 6L RoHS LS351 TO-71 6L RoHS LS352 TO-71 6L RoHS LS350 TO-78 6L RoHS LS351 TO-78 6L RoHS LS352 TO-78 6L RoHS LS350 PDIP 8L RoHS LS351 PDIP 8L RoHS LS352 PDIP 8L RoHS LS350 SOIC 8L RoHS LS351 SOIC 8L RoHS LS352 SOIC 8L RoHS LS350 SOT-23 6L RoHS LS351 SOT-23 6L RoHS LS352 SOT-23 6L RoHS 351 DFN 8L RoHS 352 DFN 8L RoHS 353 DFN 8L RoHS LS350 Die LS351 Die LS352 Die Datasheet Spice Model Application Notes

HIGH VOLTAGE, SUPER BETA, MONOLITHIC DUAL, NPN TRANSISTOR < Back LS301 Series HIGH VOLTAGE, SUPER BETA, MONOLITHIC DUAL, NPN TRANSISTOR The LS301 Series High Voltage, Super Beta, Monolithic Dual, NPN Transistor is a direct replacement for the Micro Power Systems MP301, MP302, MP303 Series. It is ideal for Small Signal Transistors, Super Beta, 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 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: LS301 TO-71 6L RoHS LS302 TO-71 6L RoHS LS303 TO-71 6L RoHS LS301 TO-78 6L RoHS LS302 TO-78 6L RoHS LS303 TO-78 6L RoHS LS301 PDIP 8L RoHS LS302 PDIP 8L RoHS LS303 PDIP 8L RoHS LS301 SOIC 8L RoHS LS302 SOIC 8L RoHS LS303 SOIC 8L RoHS LS301 Die LS302 Die LS303 Die Datasheet Spice Model Application Notes

< Back Ansberry Named VP Linear Systems Mar 17, 2023 Michael Ansberry - VP for Process Engineering. Ansberry Named VP NEWS RELEASE FOR INFORMATION CONTACT: Laura Madonna, Marketing Analyst Linear Integrated Systems, Inc. Phone: (510) 490-9160 Email: laura@linearsystems.com ANSBERRY NAMED VP FOR PROCESS ENGINEERING AT LINEAR INTEGRATED SYSTEMS FREMONT, CA – 06/27/2018. Linear Integrated Systems, Inc., is proud to announce and welcome Michael Ansberry as the company’s Vice President for Process Engineering. Ansberry will be responsible for all aspects of the company’s semiconductor fabrication operations. Ansberry joins Linear Integrated Systems (Linear Systems) from Lumileds, where he was Director of Operations. Lumileds is a lighting company that designs and manufactures LEDs for automotive, general and specialty lighting applications. Prior to Lumileds, he worked in process engineering at Sipex, Micro Power Systems and other Silicon Valley semiconductor companies. While Ansberry’s most recent experience is in managing large-scale LED production, he has extensive process engineering experience with the types of world-class semiconductors produced by Linear Systems. “Linear Systems makes the best parts in their class, and I’m very glad to be joining the team here,” Ansberry said. “Ultra-low-noise discrete components are critical for a wide range of applications and joining Linear Systems during this period of growth is exciting.” Linear Systems CEO Cindy L. Johnson said Ansberry's hiring is a key part of the company’s program to expand to meet a growing demand for its products. “Efforts to produce more precise and capable sensors are leading designers to incorporate our ultra-low-noise JFETs and other parts into their devices,” Linear Integrated Systems, Inc., is a full-service, privately-held, 30-year-old designer and manufacturer of small-signal discrete semiconductors. The Fremont, CA company was founded by John H. Hall, co-founder of Intersil and founder of Micro Power Systems. Linear Systems’ product line consists of: Ultra-Low-Noise N-Channel and P-Channel Dual and Single JFETs, High-Speed Lateral DMOS Switches, Bipolar Transistors, BIFET Amplifiers, Current-Regulating Diodes, Low-Leakage Diodes, MOSFETs, PhotoFETS, and Voltage Controlled Resistors. Data sheets can be downloaded at linearsystems.com .

SINGLE, LOW NOISE, N-CHANNEL JFET SWITCH < Back 2N/PN/SST4391 Series SINGLE, LOW NOISE, N-CHANNEL JFET SWITCH The 2N/PN/SST4391 Series Single, Low Noise, N-Channel JFET Switch is a direct replacement for the Siliconix-Vishay equivalent part. It is ideal for Low Noise, High Gain, Low resistance Switching and Amplifier Applications. Available in the TO-92 3L RoHS, TO-18 3L RoHS, SOT-23 3L RoHS and DFN 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: PN4391 TO-92 3L RoHS PN4392 TO-92 3L RoHS PN4393 TO-92 3L RoHS 2N4391 TO-18 3L RoHS 2N4392 TO-18 3L RoHS 2N4393 TO-18 3L RoHS SST4391 SOT-23 3L RoHS SST4392 SOT-23 3L RoHS SST4393 SOT-23 3L RoHS 2N4391 DIE 2N4392 DIE 2N4393 DIE Datasheet Spice Model Application Notes