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HomeProductsCircuit ProtectionTVS - DiodesSZ1SMB18AT3G
SZ1SMB18AT3G Image
Image may be representation.
See specifications for product details.

SZ1SMB18AT3G - Littelfuse Inc.

Manufacturer Part Number
SZ1SMB18AT3G
Manufacturer
Littelfuse
Allelco Part Number
32D-SZ1SMB18AT3G
ECAD Model
Parts Description
TVS DIODE 18VWM 29.2VC SMB
Detailed Description
Package
DO-214AA, SMB
Data sheet
SZ1SMB Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 232180

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Quantity

Specifications

SZ1SMB18AT3G Tech Specifications
Littelfuse Inc. - SZ1SMB18AT3G technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - SZ1SMB18AT3G

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Reverse Standoff (Typ) 18V  
Voltage - Clamping (Max) @ Ipp 29.2V  
Voltage - Breakdown (Min) 20V  
Unidirectional Channels 1  
Type Zener  
Supplier Device Package SMB  
Series Automotive, AEC-Q101  
Power Line Protection No  
Product Attribute Attribute Value  
Power - Peak Pulse 600W  
Package / Case DO-214AA, SMB  
Package Tape & Reel (TR)  
Operating Temperature -65°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Current - Peak Pulse (10/1000µs) 20.5A  
Capacitance @ Frequency 870pF @ 1MHz  
Base Product Number 1SMB  
Applications Automotive  

Parts Introduction

Manufacturer Part Number

SZ1SMB18AT3G

Manufacturer

littelfuse

Introduction

The SZ1SMB18AT3G is a Transient Voltage Suppressor (TVS) diode from Littelfuse, designed for circuit protection against electrostatic discharge (ESD) and other transient voltage events. It offers robust protection for sensitive electronic components in a compact surface-mount package.

Product Features and Performance

Unidirectional channel design with a reverse standoff voltage of 18V

Breakdown voltage (min) of 20V and clamping voltage (max) of 29.2V @ 20.5A

Peak pulse power rating of 600W

Operating temperature range of -65°C to 150°C

Low capacitance of 870pF @ 1MHz

Product Advantages

Provides effective protection against ESD and transient voltage spikes

Compact surface-mount package for space-constrained designs

Robust performance and high reliability for automotive and industrial applications

Compliant with AEC-Q101 qualification for automotive-grade components

Key Reasons to Choose This Product

Reliable circuit protection against voltage transients

Automotive-grade quality and performance

Optimized for space-constrained PCB designs

Ensures the long-term stability and safety of sensitive electronic components

Quality and Safety Features

Automotive-grade qualification to AEC-Q101 standard

Rigorous quality control and testing processes

Compatibility

The SZ1SMB18AT3G is a surface-mount TVS diode that can be integrated into a wide range of electronic devices and systems.

Application Areas

Automotive electronics

Industrial control systems

Consumer electronics

Power supplies

Telecommunications equipment

Product Lifecycle

The SZ1SMB18AT3G is an active product in our website's sales team's portfolio. There are no immediate plans for discontinuation. Customers should contact our website's sales team for information on any alternative or equivalent models that may become available in the future.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. SZ1SMB18AT3G

Product Attribute SZ1SMB18AT3G SZ1SMB26AT3G SZ1SMA6.5AT3G SZ1SMB33AT3G
Part Number SZ1SMB18AT3G SZ1SMB26AT3G SZ1SMA6.5AT3G SZ1SMB33AT3G
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Power - Peak Pulse 600W 600W 400W 600W
Supplier Device Package SMB SMB SMA SMB
Base Product Number 1SMB 1SMB 1SMA 1SMB
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Unidirectional Channels 1 1 1 1
Operating Temperature -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ)
Voltage - Breakdown (Min) 20V 28.9V 7.22V 36.7V
Package / Case DO-214AA, SMB DO-214AA, SMB DO-214AC, SMA DO-214AA, SMB
Series Automotive, AEC-Q101 Automotive, AEC-Q101 Automotive, AEC-Q101, SZ1SMA Automotive, AEC-Q101
Capacitance @ Frequency 870pF @ 1MHz 630pF @ 1MHz 1605pF @ 1MHz 510pF @ 1MHz
Power Line Protection No No No No
Applications Automotive Automotive Automotive Automotive
Type Zener Zener Zener Zener
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Clamping (Max) @ Ipp 29.2V 42.1V 11.2V 53.3V
Current - Peak Pulse (10/1000µs) 20.5A 14.2A 35.7A 11.3A
Voltage - Reverse Standoff (Typ) 18V 26V 6.5V 33V

SZ1SMB18AT3G Datasheet PDF

Download SZ1SMB18AT3G pdf datasheets and Littelfuse Inc. documentation for SZ1SMB18AT3G - Littelfuse Inc..

Datasheets
SZ1SMB Series Datasheet.pdf
PCN Design/Specification
SMC Packaged Products 30/Nov/2016.pdf Updated Polarity ID 30/Nov/2016.pdf
PCN Assembly/Origin
SMB Schottky and Ultrafast Rectifiers 17/Sep/2013.pdf
PCN Other
SMB,SMF 07/May/2018.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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SZ1SMB18AT3G Image

SZ1SMB18AT3G

Littelfuse Inc.
32D-SZ1SMB18AT3G

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