ProTek Devices
ProTek Devices is a privately held US semiconductor company (founded 1992, Tempe, Arizona) that designs and manufactures transient voltage suppression (TVS) components protecting electronic circuits from lightning, ESD, EFT, and surges, serving automotive, industrial, military/aerospace, consumer electronics, and telecom OEMs through global authorized distributors.
- Company typePrivate
- Founded1992
- HeadquartersTempe, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What ProTek Devices does
ProTek Devices is a privately held US semiconductor company founded in 1992 and headquartered in Tempe, Arizona, where it operates from the former General Semiconductor, Inc. (GSI) facility acquired from the Square D Company. The company designs and manufactures transient voltage suppression (TVS) and related circuit protection components, organized across eight product lines including chipscale TVS arrays, EMI filter/TVS arrays, high-powered components and modules, steering diode arrays, steering diode/TVS hybrid arrays, thyristor surge suppressors, and TVS diode arrays. Its components protect electronic circuits against lightning, electrostatic discharge (ESD), electrical fast transients (EFT), nuclear electromagnetic pulses (NEMP), inductive switching, and EMI/RFI, and span power ratings from sub-kilowatt board-level devices to multi-kilowatt modules (for example, the 36kW SM36KWE series, 100kW SM100KWE78CA, and 45kW PNH1275 extended pulse modules). Differentiated technology includes a patent-pending hybrid semiconductor architecture (PHYTVSxxxV3/V4) combining TVS and thyristor structures without the wear-out mechanism of GDTs and MOVs, plus ultra-low capacitance steering diode/TVS arrays (as low as 0.3pF) for high-speed data line protection in HDMI, USB, and Ethernet interfaces. ProTek holds ISO 9001:2015 quality certification and maintains product compliance with MIL-STD-704, MIL-STD-19500, MIL-STD-1275, RTCA DO-160G, AEC-Q101 (automotive), ISO 10605, IEC 61000-4-2/4/5, ITU K20/K21, Telcordia GR-1089-CORE, RoHS, and REACH.
The company sells its hardware components through authorized worldwide distributors and sales representatives across North America, Europe, Asia, and Latin America, supplemented by direct sales, with quote-based pricing and order-specific minimum quantities. Revenue is generated exclusively from hardware sales of semiconductor protection devices, with no software, subscription, or services component disclosed. ProTek's primary vertical markets are automotive (including electric vehicle power electronics and high-speed data interfaces), industrial automation, and military/aerospace, with secondary exposure to consumer electronics and networking/telecom. AEC-Q101 qualified product families target automotive design wins, MIL-STD/RTCA DO-160G qualified parts address defense and 28V aircraft platforms, and IEC/ITU/Telcordia compliant devices serve telecom infrastructure. No funding rounds, institutional investors, parent company, or named end customers are disclosed in the available data.
ProTek Devices firmographics
Firmographics- Name
- ProTek Devices
- Legal name
- ProTek Devices
- Website
- https://protekdevices.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- ProTek Devices is a privately held US semiconductor company (founded 1992, Tempe, Arizona) that designs and manufactures transient voltage suppression (TVS) components protecting electronic circuits from lightning, ESD, EFT, and surges, serving automotive, industrial, military/aerospace, consumer electronics, and telecom OEMs through global authorized distributors.
- Ownership category
- akta.pro rank
ProTek Devices industry classification
Industry- Product category
- Circuit Protection Components
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Electrical Equipment Manufacturing (33531)
- SIC
- Semiconductors & Related Devices (3674), Electronic Components & Accessories (3670)
- akta.pro primary industry
- TVS/ESD & Surge Protection Devices (HDAHAHAE)
Keywords
Where ProTek Devices is headquartered
LocationHeadquarters
- HQ city
- Tempe
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
ProTek Devices business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
Revenue model
- TVS Component Sales: ProTek Devices generates revenue through the sale of transient voltage suppression components including TVS diode arrays, steering diodes, thyristor surge suppressors, high-powered components, and modules. These are physical semiconductor devices sold to electronics manufacturers and systems integrators across automotive, industrial, military/aerospace, consumer electronics, and telecom sectors.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Direct and distributor-based sales with quote pricing |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
ProTek Devices product offering
Product offeringCore offering
ProTek Devices manufactures and sells Transient Voltage Suppression (TVS) semiconductor components designed to protect electronic circuits from voltage transients, including lightning, electrostatic discharge (ESD), electrical fast transients (EFT), nuclear electromagnetic pulse (NEMP), and EMI/RFI disturbances. The company offers a comprehensive product portfolio including TVS arrays, steering diode arrays, high-power TVS, chip-scale TVS, discrete TVS, EMI filters, and application-specific protection solutions serving automotive, military/aerospace, industrial, consumer electronics, networking/telecom, and medical end markets.
Product overview
ProTek Devices is a semiconductor company offering a comprehensive portfolio of circuit protection devices organized across eight main product lines: Chipscale TVS Arrays, EMI Filter/TVS Arrays, High Powered Components, High Powered Modules, Steering Diode Arrays, Steering Diode/TVS Arrays, Thyristor Surge Suppressors, and TVS Diode Arrays. The company provides protection against lightning, ESD, EFT, NEMP, inductive switching, and EMI/RFI. Product power ratings range from hundreds of watts to multi-kilowatt solutions including the SM36KWExxA/CA series (36kW), SM100KWE78CA (100kW), and PNH1275/PNH1275B extended pulse modules (45kW). Automotive-qualified (AEC-Q101) products include the PAM251005, PAM40SDxxBL/CBL, and PAM39SDxxAL/CAL series. The company serves automotive, consumer electronics, industrial, medical, military/aerospace, and networking/telecom sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- TVS Arrays
- Steering Diode Arrays
- High Power TVS
- Chip Scale TVS Arrays
- Discrete TVS
- EMI Filters
- Automotive TVS Protection
- Military/Aerospace TVS Protection
- Ethernet Protection
- USB Protection
- HDMI Protection
- Cellular Protection
- High Power Surface Mount TVS
- Multi-Line TVS
- SMT TVS
- Axial Leaded TVS
- Single Line TVS
Quantifiable outcome
- Up to 36 kilowatts peak pulse power dissipation (SM36KWE series)
- +2 more outcomes
Companies that use ProTek Devices
Customer profileSegments5 records
Ideal customer profiles5 records
ProTek Devices technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
ProTek Devices partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights4 records
ProTek Devices competitors and assessment
Company assessmentDirect peers
- Littelfuse: Littelfuse is the leading pure-play circuit protection company globally, offering TVS diodes, thyristors, GDTs, MOVs, and automotive-grade protection components. It is the most direct competitor to ProTek Devices across nearly every product line and end market.
- Bourns: Bourns manufactures a comprehensive portfolio of circuit protection devices including TVS diodes, thyristor surge suppressors, GDTs, and automotive-qualified protection components — directly overlapping with ProTek's product taxonomy and target verticals.
- Semtech: Semtech offers TVS arrays and steering diode/TVS hybrid devices targeting high-speed data interfaces (USB, HDMI, Ethernet), closely aligned with ProTek's PLR0506LC, PGBT, and PAM-series protection products for telecom and computing applications.
- Diodes Incorporated: Diodes Incorporated produces discrete semiconductors including TVS diodes and protection arrays targeting automotive, industrial, and consumer applications — directly comparable to ProTek's automotive-qualified PAM-series and general-purpose TVS diode products.
Broad incumbents
- onsemi (ON Semiconductor): onsemi is a large semiconductor manufacturer with a substantial TVS and circuit protection product line serving automotive and industrial markets. Its scale, AEC-Q100/101-qualified portfolio, and tier-1 automotive relationships make it a formidable incumbent competitor.
- STMicroelectronics: STMicroelectronics produces TVS protection devices, automotive-qualified ESD/EMI protection, and thyristor-based suppressors as part of a broad analog and power semiconductor portfolio, directly competing with ProTek across automotive and industrial sockets.
- Vishay Intertechnology: Vishay manufactures discrete semiconductors including TVS diodes, rectifiers, and protection arrays across automotive, industrial, and mil/aero segments. Its breadth and scale position it as a direct competitor in the discrete protection component market ProTek addresses.
- Infineon Technologies: Infineon offers TVS/ESD protection devices as part of a broad power and automotive semiconductor portfolio, with strong relationships across tier-1 automotive and industrial OEMs that compete directly with ProTek's target customers.
- NXP Semiconductors: NXP provides automotive-qualified protection and ESD devices alongside its broader MCU and connectivity portfolio. Its deep tier-1 automotive design-in relationships and AEC-Q qualified protection products create competitive pressure for ProTek's automotive sockets.
- Eaton (Eaton Bussmann / Cooper): Eaton's Bussmann division manufactures surge protection devices, TVS components, and circuit protection solutions for industrial, telecommunications, and mil/aero applications — comparable protection categories to ProTek's industrial, networking/telecom, and high-powered product lines.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
ProTek Devices social profiles
Digital presenceProTek Devices compliance and trust
Trust signalCompliance16 records
ProTek Devices financial estimates
Financial estimateRevenue estimate
Valuation estimate
ProTek Devices leadership team
Management profileNumber of profiles
ProTek Devices funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ProTek Devices 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 ProTek Devices
What does ProTek Devices do?
ProTek Devices manufactures and sells Transient Voltage Suppression (TVS) semiconductor components designed to protect electronic circuits from voltage transients, including lightning, electrostatic discharge (ESD), electrical fast transients (EFT), nuclear electromagnetic pulse (NEMP), and EMI/RFI disturbances. The company offers a comprehensive product portfolio including TVS arrays, steering diode arrays, high-power TVS, chip-scale TVS, discrete TVS, EMI filters, and application-specific protection solutions serving automotive, military/aerospace, industrial, consumer electronics, networking/telecom, and medical end markets.
Is ProTek Devices a public or private company?
ProTek Devices is a private company. It is classified as unknown and is currently operating.
When was ProTek Devices founded?
ProTek Devices was founded in 1992. It employs 51 to 100 people.
Where is ProTek Devices based?
ProTek Devices is headquartered in Tempe, United States, in the North America region.
How does ProTek Devices make money?
One revenue line is on record: TVS Component Sales.
Who are ProTek Devices's main competitors?
Direct peers on record are Littelfuse, Bourns, Semtech and Diodes Incorporated. Broad incumbents are onsemi (ON Semiconductor), STMicroelectronics, Vishay Intertechnology, Infineon Technologies, NXP Semiconductors and Eaton (Eaton Bussmann / Cooper).
Does ProTek Devices have an API?
No public API is recorded for ProTek Devices.
What industry is ProTek Devices in?
ProTek Devices's product category is Circuit Protection Components. Its primary akta.pro industry code is HDAHAHAE, TVS/ESD & Surge Protection Devices. Its NAICS code is 334413 and its SIC code is 3674.