Is there a minimum order quantity?

For trial orders, we can offer quantities based on client requests. For repeat orders, MOQ is based on the minimum packaging quantity.

MMBT3904 SOT-23 NPN Silicon General Purpose Transistor

Name: MMBT3904 SOT-23 NPN Silicon General Purpose Transistor
Brand: Dongguan Merry Electronic Co., Ltd.
SKU: 1974115065

Guangdong, ChinaDongguan Merry Electronic Co., Ltd.

US$0.004-0.005

3,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Encapsulation Structure

Chip Transistor

Application

LED Drive Power Supply, Medical Power Supply

Model NO.

MMBT3904

Certification

RoHS, CE, ISO, CCC

Luminous Intensity

Standard

Color

Black

Structure

SOT-23

Material

Silicon

Features1

Glass Passivated Chip

Features2

Low Forward Voltage Drop

Features3

Ideal for Printed Circuit Board

Features4

High Surge Current Capability

Transport Package

Plastic Package

Origin

Guangdong, China

Production Capacity

10000 Pieces/Day

Key features

Glass Passivated Chip: Features glass passivated junction chip for enhanced reliability and protection.

High Surge Current: Capable of handling high forward surge current for robust performance.

Low Forward Voltage: Designed with low forward voltage drop for improved efficiency.

PCB Ideal Design: Optimized structure ideal for printed circuit board applications.

94V-0 Flammability: Plastic package carries Underwriters Laboratory 94V-0 flammability classification.

Low Reverse Leakage: Ensures stable operation with low reverse leakage current characteristics.

Wide Application: Suitable for LED drive, medical power supplies, and general purpose uses.

Multiple Certifications: Complies with RoHS, CE, ISO, and CCC certification standards.

Company profile

Importers and ExportersExhibition ExperienceHigh Repeat Buyers ChoiceQuality Assurance

Dongguan Merry Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2022-01-04Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤4.55hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryThe supplier presents itself as an electronics and related-products manufacturer offering OEM, ODM, OBM, 3D design, and multiple customization options. It reports ISO9001, ISO14001, and IATF16949 qualifications, an experienced management team, 6–10 R&D engineers, 6–10 quality-control staff, broad export coverage, and an off-peak lead time within 15 workdays. Its products serve automotive, industrial control, communications, digital, lighting, and other applications. However, the supplier reports no new products in the past year, no SDK, no overseas warehouse, showroom, agent, or branch, and lacks documented procedures for corrective actions and customer complaints. Evidence of financial capacity is present only as year labels without substantive financial metrics, so financial credibility cannot be assessed.

Supplier typeThe supplier operates across electronic products, optoelectronic films, mechanical equipment, silicone products, office products, clothing, and related import/export activities. It explicitly provides OEM, ODM, and OBM services and describes itself as a factory with automated production and quality-control systems, supporting classification as a manufacturer and solution provider.

CertificationsThe company states that its factory has passed ISO9001, ISO14001, and IATF16949 qualification. These named certifications directly support a positive assessment of certification holding, although the slices do not provide certificate numbers, validity dates, or issuing-body details.

After-Sales capabilityThe supplier claims professional after-sales technical support and says this has helped win customer trust. However, it also reports no written procedures or records for handling customer complaints, and no written corrective and preventive action procedures or records, indicating a documented service-process deficiency.

Production capacityThe supplier describes a factory using automated production and a strict quality-control system, with 6–10 quality-control staff, broad product applications, global export markets, access to Shenzhen and Guangzhou ports, and an off-peak lead time within 15 workdays. These details explicitly support established production and delivery capability.

Customization capabilityThe supplier explicitly offers 3D software design, ODM, OEM, and customization from samples, designs, full customization, minor customization, and flexible customization. Its stated total-solution and OEM/ODM/OBM offerings further support a broad ability to adapt products to customer requirements.

Client casesThe supplier states that it serves well-known domestic and foreign manufacturers and offers OEM, ODM, and OBM services to many well-known companies worldwide. It also identifies application markets including automotive, industrial control, communications, digital products, lighting, and PC power, but provides no customer names or specific project details.

Product Q&A

Q:What service do you provide?

We supply diodes, bridge rectifiers, automotive rectifier diodes, and MOSFETs. We offer competitive prices, fast delivery, good quality, and prompt service with our own R&D team and engineers.

Q:Can I get free samples?

Yes, we offer free samples for customers. You only need to pay the freight cost for the samples.

Q:What is the delivery time?

The lead time is usually 1-4 weeks after receiving payment. For normal parts, we have quantity in stock.

Q:What are the payment terms?

Payment terms can be discussed based on the actual order situation.

Q:What are the shipment terms?

We ship FOB Shenzhen by sea. We also work with DHL, FEDEX, TNT, etc. For large quantities, clients can choose their freight forwarder, or we can assist.