Wolfspeed develops wide bandgap semiconductors focused on silicon carbide (SiC) materials and SiC power devices for power applications across automotive, industrial & energy, and aerospace & defense markets; headquartered in Durham, North Carolina.

# Wolfspeed, Inc.

## Overview
Wolfspeed develops wide bandgap semiconductors, with a primary focus on silicon carbide (SiC) materials and power devices for power applications.

## Products
- Silicon carbide materials
- SiC power devices

## Markets and applications
- Automotive: electric vehicles (EVs) and fast charging
- Industrial & Energy: AI data centers, grid modernization, renewable energy, and energy storage
- Aerospace and defense

## Manufacturing and operations
- Primary production facilities in North Carolina, New York, and Arkansas
- Uses contract manufacturers, including some with captive lines, for certain fabrication, assembly, and packaging processes

## Research and development
- R&D facilities in North Carolina, Arkansas, and New York

## Corporate structure and location
- Delaware corporation, originally incorporated in North Carolina in 1987
- Headquarters: Durham, North Carolina

## Financial information
- The excerpt references consolidated revenue and earnings in the financial statements.

Wolfspeed, Inc. is a leading innovator in wide bandgap semiconductors, focusing on silicon carbide and gallium nitride materials for power applications in key sectors such as electric vehicles and renewable energy.

# Wolfspeed, Inc.

## Business focus
Wolfspeed is a leading innovator in wide bandgap semiconductors, with a particular emphasis on silicon carbide (SiC) materials and devices for power applications. The company also produces gallium nitride (GaN) materials for multiple sectors, including:

- Electric vehicles (EVs)
- Fast charging solutions
- Renewable energy
- Energy storage
- Motor drives
- Power supplies
- Telecommunications
- Military communications

Wolfspeed completed the sale of its RF product line in December 2023 and has exited the radio-frequency devices market.

## Products
- Silicon carbide and GaN materials: bare wafers, epitaxial wafers, and GaN epitaxial layers used by customers for RF, power, and other applications.
- Power devices: silicon carbide Schottky diodes, MOSFETs, and power modules designed to improve efficiency and reduce system size and weight in applications such as electric vehicles and power supplies.

## Research and development
Wolfspeed makes substantial R&D investments focused on:
- Advancing silicon carbide materials and fabrication for 200 mm platforms
- Improving power device performance and substrate quality
- Increasing manufacturing process efficiency

## Sales and marketing
- The company has expanded global sales, marketing, and technical support capabilities.
- Design-ins for fiscal 2024 were $9.1 billion, up from $7.9 billion in 2023.
- Design-wins for fiscal 2024 totaled $5.8 billion, up from $1.8 billion in 2023.

## Customer base
- In fiscal 2024, two customers accounted for 37% of consolidated revenue.
- The company seeks to broaden its customer base and is exposed to customer concentration risk.

## Employees
- As of June 30, 2024, Wolfspeed employed 5,013 regular full- and part-time employees, in addition to temporary staff and contractors.

## Manufacturing facilities
- Major production sites are located in North Carolina, New York, and Arkansas; the company also uses contract manufacturers in Asia.
- A new materials manufacturing facility is under construction in Siler City, North Carolina.
- Renovations are underway at an epitaxy facility in Texas.

## Regulatory compliance
- Wolfspeed operates under federal, state, local, and foreign regulations related to environmental standards and intellectual property rights.

## Summary
Wolfspeed competes in the semiconductor industry by focusing on advanced SiC and GaN materials and devices that serve growing markets such as electric vehicles and renewable energy.

WOLFSPEED, INC.

10-K / August 20, 2026

10-K / August 22, 2024

10-K / August 20, 2026

Wolfspeed, Inc.

Overview

Products

Markets and applications

Manufacturing and operations

Research and development

Corporate structure and location

Financial information