- 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

Image of Semtech's LDO Product Brief

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

Image of Semtech's LinkCharge Wireless Charging

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 (29)

USB 3.0 and USB Type-C® Circuit Protection

Semtech's RClamp® products provide low-clamping voltage, low-capacitance ESD protection solutions to safeguard high-speed USB 3.0 and USB Type-C® data lines. Learn More

µClamp® TVS Diodes

Semtech's µClamp® TVS diodes offer high ESD surge capability making them ideal for portable applications such as cellular phones and tablet PCs. Learn More

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. Learn More

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. Learn More

SX1261 and SX1262 LoRa® Transceivers

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

SC431MSKQTRT Adjustable Shunt Regulator

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

Recent PTMs View All (3)

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
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
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 (8)

Semtech SX1261 and SX1262 LoRa® Transceivers | Digi-Key Daily

SX1261 and SX1262 from Semtech are sub-GHz radio transceivers that support LoRa modulation for LPWAN (low power wide-area network) and (G)FSK (Gaussian frequency shift keying) modulation.

Semtech RClamp3354S.TCT TVS Diode | Digi-Key Daily

RClamp3354S.TCT RailClamp® TVS diode protects sensitive components connected to high-speed data and transmission lines from overvoltage caused by electrical fast transients (EFT), cable discharge events (CDE), and electrostatic discharge (ESD).

Semtech TS13401 Solid State Relay Driver | Digi-Key Daily

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

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.

Manufacturer Web site