- Semtech Corporation is a leading supplier of high-quality analog and mixed-signal semiconductor products. The company is dedicated to providing customers with proprietary solutions and breakthrough technology in power management, protection, advanced communications, human interface, test & measurement, as well as wireless and sensing products. The Company's integrated circuits (ICs) are employed in communications, computer and computer-peripheral, automated test equipment, industrial and other commercial applications.

Surge and ESD Protection

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Semtech offers leading edge protection technology to achieve best in class protection on Gigabit Ethernet lines. Learn More

LDO Product Solutions

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Semtech’s low dropout (LDO) portfolio offers a wide range of regulators offering ideal solutions for a broad range of systems. Learn More

LinkCharge Wireless Charging FAQ

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Commercial-off-the-shelf system is used to create a wireless charging station in public and consumer applications. Learn More

Product Listing View All

Newest Products View All (27)

SX1230 Integrated Transmitter IC Publish Date: 2009-11-03

The SX1230 is a fully integrated transmitter that can operate in the 315MHz, 434MHz, 868MHz and 915MHz licence free ISM bands. The transmitter has two modes of operation, a conventional MCU controlled mode and a 'stand-alone' mode.

SX1231 RF Transceiver Publish Date: 2010-05-11

Semtech's SX1231 is a highly integrated RF transceiver capable of operation over a wide frequency range, including the 433-, 868- and 915MHz license-free ISM (industry, scientific, and medical) frequency bands.

RClamp®2502L 2.5V TVS Publish Date: 2010-08-26

Semtech's RailClamp® is a low capacitance TVS array designed to protect high speed data interfaces. Order now at DigiKey.

SC195 Buck Regulator Publish Date: 2010-09-13

Semtech's SC195 is a high efficiency, 500mA step down regulator designed to operate with an input voltage range of 2.9V to 5.5 V. Order now at DigiKey.

SX1509 GPIO Expanders Publish Date: 2010-12-23

Semtech SX1508 and SX1509 are complete ultra low voltage 1.2V to 3.6V General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment. Order now at DigiKey.

RClamp®0554S TVS Diode Array Publish Date: 2013-07-02

Semtech's RailClamp®0554S is designed to protect sensitive components connected to ESD, EFT and lightning.

Recent PTMs View All (3)

PoE Circuit Protection Publish Date: 2011-09-27

PoE differential mode TVS circuit protection including applications that use the protection devices and basic implementation into Ethernet systems.

Duration: 5 minutes
Power Supplies 101 Publish Date: 2011-09-27

Linear and switching regulators defined including common terms used in voltage regulators and a walk through of part selection.

Duration: 20 minutes
Transient Voltage Protection for Ethernet Interfaces Publish Date: 2011-09-27

RClamp and TClamp high-speed, high-surge TVS devices are proven solutions for safeguarding even the most sensitive Ethernet interfaces from transient threats.

Duration: 15 minutes

Featured Videos View All (7)

Semtech Corporate Video - 2014 Short Version

Semtech Corporate Video - 2014 Short Version

Semtech Wireless Charging Platforms Provide Flexible, Scalable Solutions

Semtech’s wireless charging platform support all major standards Qi, PMA, A4WP Rezence. It works in multiple configurations and form factors with a wide range of power options from 100mW to 100W.

Semtech LoRa™ RF Platform Video

Brief over view of Semtech’s LoRa™ platform

Semtech LoRa Community Overview

Introducing a global community for an exciting solution to enable the internet of things with the LoRa™ Community.

Manufacturer Web site