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HomeProductsCircuit ProtectionTVS - DiodesSMA6J18A-TR
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SMA6J18A-TR - STMicroelectronics

Manufacturer Part Number
SMA6J18A-TR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-SMA6J18A-TR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
TVS DIODE 18VWM 33.2VC SMA
Package
SMA (DO-214AC)
Data sheet
1.SMA6J18A-TR.pdf ...

PCN Assembly/Origin

Mult Dev 06/Mar/2020.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 193960
  • Unit Price: $0.385
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.385 $0.39
10+ $0.376 $3.76
30+ $0.37 $11.10
100+ $0.364 $36.40
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

SMA6J18A-TR Tech Specifications
STMicroelectronics - SMA6J18A-TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - SMA6J18A-TR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Reverse Standoff (Typ) 18V  
Voltage - Clamping (Max) @ Ipp 33.2V  
Voltage - Breakdown (Min) 20V  
Unidirectional Channels 1  
Type Zener  
Supplier Device Package SMA (DO-214AC)  
Series SMA6J, TRANSIL™  
Power Line Protection No  
Product Attribute Attribute Value  
Power - Peak Pulse 600W  
Package / Case DO-214AC, SMA  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 175°C (TJ)  
Mounting Type Surface Mount  
Current - Peak Pulse (10/1000µs) 102A (8/20µs)  
Capacitance @ Frequency -  
Base Product Number SMA6J18  
Applications General Purpose  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8541.10.0080

Parts Introduction

Manufacturer Part Number

SMA6J18A-TR

Manufacturer

stmicroelectronics

Introduction

The SMA6J18A-TR is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and transient voltage.

Product Features and Performance

Type: Zener diode for efficient voltage regulation

Unidirectional Channels: 1 to protect a single signal line

Peak Pulse Power: 600W providing robust power handling capability

Reverse Standoff Voltage: 18V

Clamping Voltage: 33.2V at 102A, ensuring quick response to transients

Breakdown Voltage: Minimum 20V

Operating Temperature Range: -55°C to 175°C accommodating extreme environments

Pulse Current: 102A (8/20µs)

Packaging: Tape & Reel (TR) for automated assembly processes

Mounting Type: Surface Mount for compact installation

Product Advantages

High peak pulse power capacity (600W) provides exceptional protection against transient voltages

Broad operating temperature range suits various operating conditions

Compact SMA (DO-214AC) packaging optimizes board space

Key Technical Parameters

Power Line Protection: No

Capacitance @ Frequency: Not applicable

Voltage Reverse Standoff (Typ): 18V

Voltage Breakdown (Min): 20V

Voltage Clamping (Max) @ Ipp: 33.2V

Current Peak Pulse (10/1000µs): 102A (8/20µs)

Quality and Safety Features

Conforms to rigorous safety standards, safeguarding electronic components effectively

Compatibility

Suitable for surface mount applications and devices requiring unidirectional protection

Application Areas

General Purpose applications across diverse electronics where transient voltage protection is required

Product Lifecycle

Status: Active

Readily available with no impending discontinuation, replacements or upgrades required

Several Key Reasons to Choose This Product

Exceptionally reliable with a wide operating temperature range (-55°C to 175°C)

Supports high transient voltage stress with 600W peak pulse power capacity

Space-efficient surface mount package ideal for size-critical applications

Quick response with optimal protection at 33.2V clamping voltage

Easy to integrate into existing manufacturing processes due to standard packaging and mounting options

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics SMA6J18A-TR

Product Attribute SMA6J18A-TP SMA6J18AHE3-TP SMA6J18AFL-TP SMA6J18A-E3/5A
Part Number SMA6J18A-TP SMA6J18AHE3-TP SMA6J18AFL-TP SMA6J18A-E3/5A
Manufacturer Micro Commercial Co Micro Commercial Co Micro Commercial Co Vishay General Semiconductor - Diodes Division
Power - Peak Pulse - - - -
Voltage - Reverse Standoff (Typ) - - - -
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Applications - - - -
Voltage - Clamping (Max) @ Ipp - - - -
Current - Peak Pulse (10/1000µs) - - - -
Type - - - -
Unidirectional Channels - - - -
Capacitance @ Frequency - - - -
Voltage - Breakdown (Min) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Power Line Protection - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

SMA6J18A-TR Datasheet PDF

Download SMA6J18A-TR pdf datasheets and STMicroelectronics documentation for SMA6J18A-TR - STMicroelectronics.

PCN Assembly/Origin
Mult Dev 06/Mar/2020.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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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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SMA6J18A-TR Image

SMA6J18A-TR

STMicroelectronics
32D-SMA6J18A-TR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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