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HomeProductsCircuit ProtectionTVS - DiodesSZ1SMB28CAT3G
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SZ1SMB28CAT3G - Littelfuse Inc.

Manufacturer Part Number
SZ1SMB28CAT3G
Manufacturer
Littelfuse
Allelco Part Number
32D-SZ1SMB28CAT3G
ECAD Model
Parts Description
TVS DIODE 28VWM 45.4VC SMB
Detailed Description
Package
DO-214AA, SMB
Data sheet
SZ1SMB Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 165680

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Specifications

SZ1SMB28CAT3G Tech Specifications
Littelfuse Inc. - SZ1SMB28CAT3G technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - SZ1SMB28CAT3G

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Reverse Standoff (Typ) 28V  
Voltage - Clamping (Max) @ Ipp 45.4V  
Voltage - Breakdown (Min) 31.1V  
Type Zener  
Supplier Device Package SMB  
Series Automotive, AEC-Q101  
Power Line Protection No  
Power - Peak Pulse 600W  
Product Attribute Attribute Value  
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) 13.2A  
Capacitance @ Frequency 310pF @ 1MHz  
Bidirectional Channels 1  
Base Product Number 1SMB  
Applications Automotive  

Parts Introduction

Manufacturer Part Number

SZ1SMB28CAT3G

Manufacturer

Littelfuse

Introduction

A high-performance transient voltage suppressor diode designed for surge and ESD protection.

Product Features and Performance

Zener type TVS diode

Unidirectional surge protection

High surge current capability of 13.2A (10/1000µs)

Peak pulse power of 600W

Low capacitance design

Operates over a broad temperature range

Surface mount SMB package

Product Advantages

Robust construction for automotive applications

Meets AEC-Q101 standards for reliability

Optimized for high-temperature environments

Key Technical Parameters

Reverse Standoff Voltage: 28V

Breakdown Voltage: Min 31.1V

Clamping Voltage: Max 45.4V

Peak Pulse Current: 13.2A

Power Dissipation: 600W

Capacitance: 310pF @ 1MHz

Operating Temperature: -65°C to 150°C

Quality and Safety Features

AEC-Q101 qualified

Automotive-grade quality & safety

Compatibility

Designed for surface mount applications

Compatible with SMB footprint

Application Areas

Automobiles

Industrial electronics

Telecommunications

Consumer electronics

Product Lifecycle

Active product status

Not nearing discontinuation

Future replacements or upgrades not addressed

Several Key Reasons to Choose This Product

Protects sensitive electronics from voltage transients

Enhanced reliability for automotive applications

High temperature resilience, suitable for demanding environments

Low leakage current to reduce power loss

Compact SMB package for space-constrained applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. SZ1SMB28CAT3G

Product Attribute SZ1SMB28CAT3G SZ1SMB20CAT3G SZ1SMB36CAT3G SZ1SMB28AT3G
Part Number SZ1SMB28CAT3G SZ1SMB20CAT3G SZ1SMB36CAT3G SZ1SMB28AT3G
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Applications Automotive Automotive Automotive Automotive
Voltage - Clamping (Max) @ Ipp 45.4V 32.4V 58.1V 45.4V
Voltage - Breakdown (Min) 31.1V 22.2V 40V 31.1V
Supplier Device Package SMB DO-214AA (SMBJ) SMB SMB
Series Automotive, AEC-Q101 Automotive, AEC-Q101 Automotive, AEC-Q101 Automotive, AEC-Q101
Current - Peak Pulse (10/1000µs) 13.2A 18.5A 10.3A 13.2A
Operating Temperature -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ)
Base Product Number 1SMB 1SMB 1SMB 1SMB
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Power Line Protection No No No No
Voltage - Reverse Standoff (Typ) 28V 20V 36V 28V
Capacitance @ Frequency 310pF @ 1MHz 425pF @ 1MHz 245pF @ 1MHz 590pF @ 1MHz
Type Zener Zener Zener Zener
Bidirectional Channels 1 1 1 -
Package / Case DO-214AA, SMB DO-214AA, SMB DO-214AA, SMB DO-214AA, SMB
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Power - Peak Pulse 600W 600W 600W 600W

SZ1SMB28CAT3G Datasheet PDF

Download SZ1SMB28CAT3G pdf datasheets and Littelfuse Inc. documentation for SZ1SMB28CAT3G - 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
Assembly/Test Transfer 06/Jul/2015.pdf
PCN Other
SMB,SMF 07/May/2018.pdf

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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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SZ1SMB28CAT3G Image

SZ1SMB28CAT3G

Littelfuse Inc.
32D-SZ1SMB28CAT3G

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