SMBJ26A is a unidirectional TVS diode designed to protect sensitive electronics from transient voltage surges. Housed in SMB (DO-214AA) package, it delivers 600W peak pulse power and 26V reverse stand-off voltage, clamping voltage ≤42.1V with sub-nanosecond response time. Ideal for consumer electronics, automotive, and industrial applications.
Key Features
Ultra-Fast Response
≤1ns response time to suppress ESD, lightning, and other surges instantly.
High Surge Capability
600W peak pulse power (10/1000μs waveform) and 14.2A peak pulse current for robust protection.
Low Leakage Current
≤5μA reverse leakage at 25°C, ensuring minimal standby power consumption.
Compact SMB Package
4.70×3.94×2.44mm size for space-saving SMT assembly.
Wide Temperature Range
-55°C to +150°C operating temperature, suitable for extreme environments.
Technical Specifications
Parameter
Value
Reverse Stand-off Voltage (VRWM)
26V
Breakdown Voltage (VBR)
28.9V (min) to 33.2V (max)
Max Clamping Voltage (Vc)
42.1V
Peak Pulse Power (Ppp)
600W (10/1000μs waveform)
Peak Pulse Current (Ipp)
14.2A
Package
SMB (DO-214AA)
Operating Temperature
-55°C to +150°C
Polarity
Unidirectional
Typical Applications
Consumer Electronics Protects USB ports and power inputs in smartphones and laptops from charging surges and ESD.
Automotive Electronics Integrates into infotainment systems, ADAS sensors, and BMS to suppress voltage transients from engine starts.
Industrial Equipment Safeguards automation control modules and motor drives against lightning and switching noise.
Communication Devices Shields Ethernet interfaces and power supplies in routers and switches for stable data transmission.
Smart Home Guards IoT devices and smart appliances against power surges and electromagnetic interference.
Why Choose SMBJ26A?
Certified Reliability
Complies with IEC 61000-4-2 (ESD) and MIL-STD-883 (overvoltage) standards, RoHS compliant.
Compatibility
SMB package supports direct replacement with models like SMBJ26A-TR (STMicroelectronics).
Cost-Effective Design
Offers low clamping voltage at competitive pricing, reducing downstream protection requirements.
Fast Response & Low Capacitance
≤1ns response and 1pF typical capacitance for high-frequency signal lines.
Trusted Brands
Manufactured by STMicroelectronics and Vishay, ensuring stable supply and quality.
SUNTOP COMPANY INTRODUCTION
Founded in 2000, Suntop is one of the leading global distributors of electronic components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost. As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.
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1. What is the maximum continuous operating voltage of SMBJ26A? >
26V (VRWM), suitable for 24V power systems.
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2. What’s the surge current capability under 8/20μs waveform? >
4kW peak pulse power (95A peak current).
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3. What is the operating temperature range? >
-55°C to +150°C, ideal for harsh environments.
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4. Are there alternative models? >
Yes, e.g., SMBJ26A-TR (STMicroelectronics) and SMBJ26A-E3/52 (Vishay) with pin-compatible design.
SUNTOP’s mode of transportation
UPS
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DHL
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TNT
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China’s largest integrated logistics provider, known for high-speed delivery and a direct-operated business model. Covers domestic and key international markets, offering services like cold chain logistics, supply chain solutions, and air cargo (with its own freighter fleet).
Fedex
Fedex is an international express delivery group that offers overnight express delivery, ground express delivery, heavy cargo transportation, document copying and logistics services.