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HomeProductsCircuit ProtectionTVS - Diodes1SMA40AT3G
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1SMA40AT3G - Littelfuse Inc.

Manufacturer Part Number
1SMA40AT3G
Manufacturer
Littelfuse
Allelco Part Number
32D-1SMA40AT3G
ECAD Model
Parts Description
TVS DIODE 40VWM 64.5VC SMA
Detailed Description
Package
DO-214AC, SMA
Data sheet
1SMAxx(A,C)T3G Series Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 4670

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Specifications

1SMA40AT3G Tech Specifications
Littelfuse Inc. - 1SMA40AT3G technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 1SMA40AT3G

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage - Reverse Standoff (Typ) 40V  
Voltage - Clamping (Max) @ Ipp 64.5V  
Voltage - Breakdown (Min) 44.4V  
Unidirectional Channels 1  
Type Zener  
Supplier Device Package SMA  
Series -  
Power Line Protection No  
Product Attribute Attribute Value  
Power - Peak Pulse 400W  
Package / Case DO-214AC, SMA  
Package Tape & Reel (TR)  
Operating Temperature -65°C ~ 150°C (TJ)  
Mounting Type Surface Mount  
Current - Peak Pulse (10/1000µs) 6.2A  
Capacitance @ Frequency 315pF @ 1MHz  
Base Product Number 1SMA  
Applications General Purpose  

Parts Introduction

Manufacturer Part Number

1SMA40AT3G

Manufacturer

Littelfuse

Introduction

TVS diode for transient voltage suppression

Product Features and Performance

Unidirectional TVS Zener diode

Voltage - Reverse Standoff 40V

Voltage - Breakdown 44.4V minimum

Voltage - Clamping 64.5V max at 6.2A

Peak Pulse Power 400W

Operating Temperature range -65°C to 150°C

Surface Mount SMA package

Product Advantages

Efficient transient voltage suppression

High surge capability

Low clamping voltage

Fast response time

Key Technical Parameters

Current - Peak Pulse 6.2A (10/1000µs)

Capacitance 315pF at 1MHz

Quality and Safety Features

Compliant with RoHS and other safety standards

Compatibility

Replacement for equivalent SMA packages

Application Areas

General purpose protection for electronics

Product Lifecycle

Obsolete product

Potential need to find replacements or upgrades

Several Key Reasons to Choose This Product

Proven reliability from Littelfuse

High power surge handling capability

Suitable for high-temperature operations

Compact SMA package for space-limited applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 1SMA40AT3G

Product Attribute 1SMA40AT3G 1SMA36AT3G 1SMA43AT3G 1SMA43AT3G
Part Number 1SMA40AT3G 1SMA36AT3G 1SMA43AT3G 1SMA43AT3G
Manufacturer Littelfuse Inc. Littelfuse Inc. onsemi Littelfuse Inc.
Current - Peak Pulse (10/1000µs) 6.2A 6.9A 5.8A 5.8A
Voltage - Clamping (Max) @ Ipp 64.5V 58.1V 69.4V 69.4V
Applications General Purpose General Purpose General Purpose General Purpose
Unidirectional Channels 1 1 1 1
Voltage - Reverse Standoff (Typ) 40V 36V 43V 43V
Supplier Device Package SMA SMA SMA SMA
Package / Case DO-214AC, SMA DO-214AC, SMA DO-214AC, SMA DO-214AC, SMA
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Capacitance @ Frequency 315pF @ 1MHz 345pF @ 1MHz 295pF @ 1MHz 295pF @ 1MHz
Operating Temperature -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ)
Package Tape & Reel (TR) Tape & Reel (TR) Bulk Tape & Reel (TR)
Type Zener Zener Zener Zener
Voltage - Breakdown (Min) 44.4V 40V 47.8V 47.8V
Power Line Protection No No No No
Power - Peak Pulse 400W 400W 400W 400W
Base Product Number 1SMA 1SMA - 1SMA
Series - - - -

1SMA40AT3G Datasheet PDF

Download 1SMA40AT3G pdf datasheets and Littelfuse Inc. documentation for 1SMA40AT3G - Littelfuse Inc..

Datasheets
1SMAxx(A,C)T3G Series Datasheet.pdf
PCN Design/Specification
SMC Packaged Products 30/Nov/2016.pdf Updated Polarity ID 30/Nov/2016.pdf
PCN Assembly/Origin
Qualification Assebly/Test Site 18/Mar/2014.pdf
PCN Obsolescence/ EOL
Obsolete Acquired ON Semiconductor Commercial TVS .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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1SMA40AT3G Image

1SMA40AT3G

Littelfuse Inc.
32D-1SMA40AT3G

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