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- 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

Image of Semtech's Surge and ESD Protection

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)

Image of Semtech's RClamp3354S.TCT RailClamp® TVS Diode

RClamp3354S.TCT TVS Diode

Semtech's RClamp3354S.TCT TVS diode withstands a high level of surge current while maintaining a low loading capacitance in high threat environments.

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Image of Semtech's AEC-Q100 Qualified TVS/ESD Protection Solutions

AEC-Q100 Qualified TVS/ESD Protection Solutions

Semtech's industry leading TVS protection devices safeguard automotive data-line circuits from ESD and other overvoltage transients.

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Semtech's SX1261 and SX1262 LoRa® Transceivers

SX1261 and SX1262 LoRa® Transceivers

Semtech's SX1261 and SX1262 devices are designed for long-range wireless applications and support long battery life.

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Image of Semtech's SC431MSKQTRT Adjustable Shunt Regulator

SC431MSKQTRT Adjustable Shunt Regulator

Semtech’s SC431MSKQTRT adjustable shunt regulator offers a wide operating current range 130 µA to 150 mA.

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Image of Semtech RClamp0504FB TVS Diodes

RClamp0504FB TVS Diodes

Semtech’s RCLAMP0504FBTCT is a RClamp® TVS diodes that is designed to protect sensitive electronics from damage and latch-up due to a transient surge event.

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Image of Semtech TS13401 Solid State Relay Driver

TS13401 Solid State Relay Driver

Semtech’s TS13401 is a galvanically isolated, 60 V power FET driver with bi-directional blocking.

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Product Training Modules View All (3)

Voltage Protection

Transient Voltage Protection for Ethernet Interfaces

Duration: 15 minutes

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

POE Circuit Protection

PoE Circuit Protection

Duration: 5 minutes

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

Power Supplies 101

Power Supplies 101

Duration: 20 minutes

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

Featured Videos View All (6)

Semtech TS13401 Solid State Relay Driver | Digi-Key Daily

Semtech’s TS13401 is a galvanically isolated, 60 V power FET driver with bidirectional blocking.

Publish Date: 2018-09-13

Semtech SX1276 Transceivers | Digi-Key Daily

The SX1276 transceivers feature the LoRa® long-range modem that provides ultra-long-range spread spectrum communication and high interference immunity while minimizing current consumption.

Publish Date: 2018-03-26

Semtech LoRa Community Overview

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

Publish Date: 2015-10-13

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.

Publish Date: 2015-10-13

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