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SMBJ18A

18V uni-TVS, 600W, SMB

4894

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制造商零件：

SMBJ18A

包装：

SMB (5.9x3.6x2.3mm)

说明

产品概览

SMBJ18A from Littelfuse is an 18V unidirectional TVS diode, 600W peak pulse power, SMB. ESD/surge protection for 18V rails.

工作原理

Transient Voltage Suppressor for protecting sensitive electronics. 18V standoff voltage, 20.6V breakdown. 600W peak pulse power at 10/1000us. Unidirectional for DC rails. Low clamping voltage 29.2V at peak current.

Pin Description

针脚	名称	功能
1	阴极	Banded end
2	阳极	Unbanded

应用

DC power rail protection
ESD protection
Surge suppression
Automotive transients

Alternative Models

Mfr	Part	说明
onsemi	SMBJ18A-Q	AEC-Q101 version

产品介绍：SMBJ18A 产品介绍

SMBJ18A from Littelfuse is an 18V unidirectional TVS diode, 600W peak pulse power, SMB. ESD/surge protection for 18V rails.

工作原理：SMBJ18A 工作原理

引脚说明：SMBJ18A 引脚定义和功能

针脚	名称	功能
1	阴极	Banded end
2	阳极	Unbanded

Application Scenarios:In which products and applications isSMBJ18A 中古

DC power rail protection
ESD protection
Surge suppression
Automotive transients

Alternative Models:What chips are recommended as replacements for SMBJ18A

Mfr	Part	说明
onsemi	SMBJ18A-Q	AEC-Q101 version

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:

汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
医疗设备: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

联系我们

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:

Accepted Payment Methods

T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
PayPal: Ideal for small orders, sample orders and quick payments.

Settlement Currency

US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.
Bank Charges

All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.
Payment Requirements

Sample and small orders: Shipment will be arranged upon full payment.
In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:

Logistics Partners

International Express: DHL, FedEx, UPS, TNT
Economy Logistics: Air freight and sea freight for large-volume cargo
Domestic Delivery: SF Express, Yunda Express

Order Processing Time

In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.

Estimated Transit Time

International Express: 3 – 7 working days globally
Air Freight: 7 – 12 working days
Sea Freight: 25 – 40 working days for heavy and large bulk cargo

Shipping Fee Rules

Shipping cost is calculated based on package weight, volume, destination and delivery method.
Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.

Shipment Tracking

Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

MOQ & Sample Service

We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.
Packaging Standard

All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

Import Duties & Taxes

All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.
Handling of Lost or Damaged Goods

In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:

Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

All components are packed separately to avoid damage caused by friction and collision;
Shockproof buffer materials are added for fragile products to ensure transportation safety;
Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

即时报价

SMBJ18A

有效库存

制造商零件：

包装：

品牌：

产品类别：

您可能感兴趣的其他建议.

说明

产品概览

工作原理

Pin Description

应用

Alternative Models

推荐部件

有库存：

有库存：

有库存：

有库存：

有库存：

有库存：

有效库存

制造商零件：

包装：

品牌：

产品类别：

您可能感兴趣的其他建议.

说明

产品概览

工作原理

Pin Description

应用

Alternative Models

推荐部件

有库存：

有库存：

有库存：

有库存：

有库存：

有库存：

质量保证

1. Authorized & Genuine Sourcing Promise

2. Strict Full-batch Quality Inspection

3. Industry Standard Compliance

4. Professional Reliability Control

5. Traceability Management System

6. After-sales Quality Guarantee

联系我们

发货与付款

1. Payment Terms

2. Shipping & Delivery

3. General Order Rules & Notes

4. Customs & Liability Statement

5. Local Pickup in Shenzhen

Contact Information

服务与包装

Core Services

1. One-stop Sourcing & BOM Support

2. Genuine Product Guarantee & Full-process Quality Inspection

3. Fast Quotation & Order Processing

4. Professional Technical Support

5. Sourcing for Special Components

6. Global Logistics & Document Services

Professional Packaging Standards

1. General Packaging Specifications

2. Classified Professional Packaging

3. Custom Packaging Services

Contact Information

Online Inquiry Form

公司名称

工业