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See Technical Specifications

1SMB18AT3G +BOM

1SMBxxA Series - 600 Watt SMB Transient Voltage Suppressor, Unidirectional, RoHS

Manufacturer:

Littelfuse Inc.
Mfr.Part #:

1SMB18AT3G
Datasheet:

1SMB18AT3G Datasheet (PDF)
Type:

Zener
Unidirectional Channels:

1
Voltage - Reverse Standoff (Typ):

18V
Voltage - Breakdown (Min):

20V
EDA/CAD Models:

Request Free CAD Models for 1SMB18AT3G

1SMB18AT3G General Description

Meet the 1SMB18AT3G, a cutting-edge TVS diode that sets new standards in power handling and reliability. This unidirectional device boasts an impressive breakdown voltage of at least 20V, making it suitable for applications requiring high-level surge protection. With its Rohs compliance, this product meets the most stringent environmental regulations. The compact DO-214AA package and 2-pin configuration simplify integration into your design. Whether you're designing a new power supply or upgrading an existing system, the 1SMB18AT3G is an excellent choice

Key Features

Working Peak Reverse Voltage Range − 5.0 V to 170 V
Standard Zener Breakdown Voltage Range − 6.7 V to 199 V
Peak Power − 600 W @ 1.0 ms
ESD Rating of Class 3 (> 16 kV) per Human Body Model
Maximum Clamp Voltage @ Peak Pulse Current
Low Leakage <5.0 μA Above 10 V
UL 497B for Isolated Loop Circuit Protection
Response Time is Typically <1.0 ns
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable
Pb−Free Packages are Available

Specifications

Type	Zener	Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	18V	Voltage - Breakdown (Min)	20V
Voltage - Clamping (Max) @ Ipp	29.2V	Current - Peak Pulse (10/1000µs)	20.5A
Power - Peak Pulse	600W	Power Line Protection	No
Applications	General Purpose	Capacitance @ Frequency	870pF @ 1MHz
Operating Temperature	-65°C ~ 150°C (TJ)	Mounting Type	Surface Mount
Base Product Number	1SMB