PIE Semiconductor
PNJ Semiconductor (派恩杰) is a privately-held Chinese designer of third-generation silicon carbide (SiC) and gallium nitride (GaN) power semiconductor devices, including MOSFETs, SBDs, and power modules. The company sells to Tier 1 manufacturers across electric vehicles, photovoltaic inverters, energy storage, data center power, and EV charging applications.
- Company typePrivate
- Founded2018
- HeadquartersHangzhou, China
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What PIE Semiconductor does
PNJ Semiconductor (派恩杰) is a privately-held Chinese designer of third-generation wide bandgap power semiconductor devices, founded in 2018 and headquartered in Ningbo, Zhejiang, with the company’s registered legal entity PNJ Semiconductor Co., Ltd. The company’s core technology is the design of silicon carbide (SiC) and gallium nitride (GaN) power devices, with proprietary SiC MOSFET design capability anchored by internationally leading HDFM (High Definition FET Model) performance indicators and early membership in the JC-70 JEDEC committee for wide-bandwidth power device standards. Its product portfolio comprises SiC MOSFETs (650V–3300V, 134 SKUs), SiC SBDs (650V–1700V, 53 SKUs), SiC power modules (750V–2300V, 43 SKUs), and a silicon-based SGT MOSFET line (60V), totaling more than 100 SiC device models and marketed under the Pioneer brand.
The company monetizes through direct hardware sales of these power devices, with revenue streams tied to SiC and GaN MOSFETs, SBDs, and power modules sold to Tier 1 manufacturers. It is AEC-Q101 automotive-grade certified (with more than five years of automotive supply experience) and ISO9001:2015 certified. Go-to-market is sales-led via five regional marketing centers in Ningbo (HQ), Shenzhen, Shanghai, Hangzhou, and Seoul (Korea), supplemented by industry trade-show participation (PCIM, SNEC), content marketing through the company website and WeChat channel, and direct sample-request fulfilment. The intellectual property base includes 13 invention patents, 21 utility model patents, 6 IC layout design registrations, and 5 design patents.
PNJ Semiconductor serves five primary verticals: electric vehicles (main drive inverters, on-board chargers, DC-DC converters, electric air compressors, active suspension, BMS modules, wireless charging), photovoltaic inverters (string and central), energy storage systems (bidirectional converters, V2G, virtual power plants), data center power (UPS, PDU, 800V solid-state breakers, server power supplies), and EV charging infrastructure (DC charging piles and DC fast chargers). The company claims domestic SiC MOSFET shipment leadership in China and positions its products against silicon IGBTs with quantified performance gains (38–60% loss reduction at 10–30 kHz, 2–5% system efficiency improvement in EVs, 2–3% efficiency gains in energy storage, and over 97% efficiency in fuel cell DC/DC applications).
PIE Semiconductor firmographics
Firmographics- Name
- PIE Semiconductor
- Legal name
- PNJ Semiconductor Co., Ltd.
- Website
- https://pnjsemi.com
- Company type
- Private
- Founded year
- 2018
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- PNJ Semiconductor (派恩杰) is a privately-held Chinese designer of third-generation silicon carbide (SiC) and gallium nitride (GaN) power semiconductor devices, including MOSFETs, SBDs, and power modules. The company sells to Tier 1 manufacturers across electric vehicles, photovoltaic inverters, energy storage, data center power, and EV charging applications.
- Ownership category
- akta.pro rank
PIE Semiconductor industry classification
Industry- Product category
- Wide Bandgap Power Semiconductors
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Semiconductor and Other Electronic Component Manufacturing (33441)
- SIC
- Semiconductors & Related Devices (3674)
- akta.pro primary industry
- Wide-Bandgap Power Devices (SiC/GaN Discretes) (HDAHAHAG)
- akta.pro secondary industries
- Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), High-Voltage, Power Discretes & Modules (IGBT/MOSFET/SiC/GaN) (HDAHAAAK)
Keywords
Where PIE Semiconductor is headquartered
LocationHeadquarters
- HQ city
- Hangzhou
- HQ country
- China
- HQ region
- Asia
Offices5 records
Markets served
PIE Semiconductor business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- SiC Power Semiconductor Sales: PNJ Semiconductor generates revenue through the design and sale of silicon carbide (SiC) and gallium nitride (GaN) power semiconductor devices including MOSFETs, SBDs, and power modules. Products are sold to manufacturers in automotive, photovoltaic, energy storage, data center, and industrial sectors with continuous and stable supply to Tier 1 customers.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
PIE Semiconductor product offering
Product offeringCore offering
PNJ Semiconductor designs and sells third-generation wide bandgap power semiconductor devices, primarily silicon carbide (SiC) and gallium nitride (GaN) products. The core catalog includes SiC MOSFETs (650V-3300V), SiC Schottky Barrier Diodes (650V-1700V), SiC power modules (750V-2300V), and SGT MOSFETs for electric vehicles, photovoltaic inverters, energy storage systems, data center power, and industrial applications. The company sells directly to Tier 1 manufacturers through regional marketing centers in China and Korea.
Product overview
PNJ Semiconductor (派恩杰) is a technology-leading brand in third-generation power semiconductor devices, established in 2018. The company offers a comprehensive portfolio of silicon carbide (SiC) and gallium nitride (GaN) power devices. The core product line consists of SiC MOSFETs (650V-3300V), SiC SBDs (650V-1700V), SiC Power Modules (750V-2300V), and SGT MOSFETs (60V). These products are designed for applications including electric vehicles, photovoltaic inverters, energy storage systems, data center power, and industrial power supplies. The company claims domestic SiC MOSFET shipment leadership in China and ISO9001:2015 quality certification.
Differentiator
Problem solved
Functional benefit
Products and services
- SiC MOSFET
Quantifiable outcome
- 38% loss reduction at 10kHz switching frequency compared to 1200V IGBT
- +6 more outcomes
Companies that use PIE Semiconductor
Customer profileNamed customers1 record
Segments5 records
Ideal customer profiles5 records
PIE Semiconductor technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
PIE Semiconductor partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Strategic Partner (Name Not Disclosed)corePioneer welcomed a strategic partner in May 2025 to drive technical synergy. The partnership aims to accelerate development and adoption of SiC technology through collaborative innovation. Details of the partner identity are not publicly disclosed on the company website.
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
PIE Semiconductor competitors and assessment
Company assessmentDirect peers
- Wolfspeed: The leading pure-play SiC power device and substrate manufacturer. Directly comparable to PNJ as a SiC MOSFET and module supplier to EV, industrial, and renewable customers; differs in being vertically integrated into substrates and headquartered in the U.S.
- Rohm Semiconductor: Pioneer in SiC MOSFETs (Fourth-generation SiC MOSFETs) with proprietary trench architecture and module products. Closely comparable technology peer to PNJ in 650V–3300V voltage classes serving automotive, PV, and industrial markets.
Broad incumbents
- STMicroelectronics: Major SiC MOSFET supplier with leading share in EV traction inverters (e.g., Tesla, Renault, Hyundai). Comparable to PNJ in offering SiC discretes and modules to the same automotive and industrial customers, but at vastly larger scale and with broader semiconductor portfolio.
- Infineon Technologies: Global power semiconductor leader with a growing SiC MOSFET and module portfolio via CoolSiC. Competes with PNJ across EV inverters, PV, ESS, and industrial drives, supported by in-house substrate and epitaxy investments.
- onsemi (ON Semiconductor): Silicon and SiC power discrete/module supplier with strong EV traction-inverter design wins. Direct overlap with PNJ in 750V–1700V SiC MOSFET and module products for automotive and renewable energy customers.
- Mitsubishi Electric: Established manufacturer of SiC power modules for rail, industrial, and EV applications. Comparable to PNJ's module business targeting high-voltage (>1700V) and grid/rail customers.
- Microchip Technology (Microsemi): Supplies SiC power devices and modules (acquired via Microsemi) for industrial, aerospace, and EV markets. Comparable to PNJ in SiC discrete and module portfolio breadth and in serving high-reliability applications.
Regional players
- TankeBlue Semiconductor (III-N Technology / TankeBlue): Chinese SiC substrate and epitaxy supplier expanding into SiC device design. Comparable to PNJ as a China-based SiC power device competitor focused on the same domestic EV and PV OEMs.
- SICC (Shanxi SICC Semiconductor): Leading Chinese SiC substrate manufacturer (Beijing-based) increasingly moving into SiC device and module design. Comparable to PNJ as a domestic Chinese SiC power device peer targeting the same Tier 1 EV and renewable customers.
- BYD Semiconductor: Captive and merchant SiC power device supplier affiliated with BYD's EV business. Comparable to PNJ in offering 1200V SiC MOSFETs to Chinese EV and industrial customers, though primarily serving its parent OEM.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
PIE Semiconductor compliance and trust
Trust signalCompliance3 records
PIE Semiconductor financial estimates
Financial estimateRevenue estimate
Valuation estimate
PIE Semiconductor leadership team
Management profileNumber of profiles
PIE Semiconductor funding detail
Funding detailFunding overview
Funding rounds4 records
Investors12 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
PIE Semiconductor M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about PIE Semiconductor
What does PIE Semiconductor do?
PNJ Semiconductor designs and sells third-generation wide bandgap power semiconductor devices, primarily silicon carbide (SiC) and gallium nitride (GaN) products. The core catalog includes SiC MOSFETs (650V-3300V), SiC Schottky Barrier Diodes (650V-1700V), SiC power modules (750V-2300V), and SGT MOSFETs for electric vehicles, photovoltaic inverters, energy storage systems, data center power, and industrial applications. The company sells directly to Tier 1 manufacturers through regional marketing centers in China and Korea.
Is PIE Semiconductor a public or private company?
PIE Semiconductor is a private company. It is classified as venture growth investor backed and is currently operating.
When was PIE Semiconductor founded?
PIE Semiconductor was founded in 2018. It employs 51 to 100 people.
Where is PIE Semiconductor based?
PIE Semiconductor is headquartered in Hangzhou, China, in the Asia region.
How does PIE Semiconductor make money?
One revenue line is on record: siC Power Semiconductor Sales.
Who are PIE Semiconductor's main competitors?
Direct peers on record are Wolfspeed and Rohm Semiconductor. Broad incumbents are STMicroelectronics, Infineon Technologies, onsemi (ON Semiconductor), Mitsubishi Electric and Microchip Technology (Microsemi). Regional players are TankeBlue Semiconductor (III-N Technology / TankeBlue), SICC (Shanxi SICC Semiconductor) and BYD Semiconductor.
Does PIE Semiconductor have an API?
No public API is recorded for PIE Semiconductor.
What industry is PIE Semiconductor in?
PIE Semiconductor's product category is Wide Bandgap Power Semiconductors. Its primary akta.pro industry code is HDAHAHAG, Wide-Bandgap Power Devices (SiC/GaN Discretes), with a secondary code of HDAHAHAH, Power Modules (IGBT/MOSFET/SiC/GaN Modules). Its NAICS code is 334413 and its SIC code is 3674.