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Part No 1.5SMC20AT3
Manufacturer ON Semiconductor
Catalog TVS - Diodes
Description 1500 Watt Peak Power Zener Transient Voltage Suppressors | TVS DIODE 17.1V 27.7V SMC
Rohs State Need to verify

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Pricing & Ordering $0.2028 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
Unit Price
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Availability: 4,240 pieces
MOQ: 175 pcs
Order Increment : 1 pcs
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Products specifications

Categories Circuit Protection
Manufacturer ON Semiconductor
Packaging Tape and Reel
Status Obsolete
Type Zener
Unidirectional Channels 1
Voltage - Reverse Standoff 17.1V
Voltage - Breakdown (Minimum) 19V
Voltage - Clamping (Maximum) at Ipp 27.7V
Current - Peak Pulse (10/1000μs) 54A
Power - Peak Pulse 1500W (1.5kW)
Power Line Protection No
Applications General Purpose
Temperature Range - Operating -65°C ~ 150°C
Mounting Style SMD
Manufacturer Package DO-214AB, SMC
Supplier Device Package SMC
Family Part Number 1.5SMC
Manufacturer Pack Quantity 2,500
MSL Level 1 (Unlimited)
Win Source Part Number 1120840-1.5SMC20AT3
Manufacturer Homepage
Popularity Medium
Fake Threat In the Open Market 59 pct.
Supply and Demand Status Balance


The 1.5SMC20AT3 is a robust transient voltage suppressor (TVS) diode designed and manufactured by ON Semiconductor, a leader in energy-efficient innovations. This electronic component is engineered to protect sensitive electronics from voltage spikes and transients induced by lightning and other transient voltage events.

Key Features

  • Voltage Protection: With a stand-off voltage of 20V, the 1.5SMC20AT3 is capable of clamping and withstanding significant overvoltages, safeguarding your electronic circuits.
  • Peak Power Dissipation: This TVS diode can handle a peak pulse power of 1500 Watts for a short duration of 10/1000μs waveform, which ensures reliable protection against high energy transients.
  • Low Incremental Surge Resistance: The device features a low surge resistance, allowing for better performance during surge events.
  • Operating Temperature: The diode operates effectively over a broad temperature range from -55°C to +150°C, making it suitable for various challenging environments.
  • Package: Housed in an SMC package, the 1.5SMC20AT3 is compact and robust, providing a reliable solution for surface mount applications.


The 1.5SMC20AT3 is ideal for protecting voltage-sensitive components in a variety of applications, including:

  • Industrial systems
  • Consumer electronics
  • Automotive electronics
  • Telecommunication devices
  • Power supply units

Quality and Reliability

ON Semiconductor is committed to providing high-quality products. The 1.5SMC20AT3 is designed to meet or exceed the stringent requirements of industry standards. Each diode is subjected to rigorous testing and quality control measures to ensure reliable performance in the field.

Environmental Compliance

The 1.5SMC20AT3 complies with RoHS directives, making it an environmentally friendly choice for companies looking to minimize their ecological footprint while maintaining the highest standards of protection for their electronic components.

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