Is there a minimum order quantity (MOQ)?

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

50V 500-mA-Rated Collector High-current Darlington Transistor Arrays

Name: 50V 500-mA-Rated Collector High-current Darlington Transistor Arrays
Brand: Dongguan Merry Electronic Co., Ltd.
SKU: 1993019905

Guangdong, ChinaDongguan Merry Electronic Co., Ltd.

US$0.10-0.13

1,000 Pieces

Product profile

Customization

Available

Encapsulation Structure

Chip Transistor

Application

LED Drive Power Supply, Medical Power Supply

Model NO.

ULN2803

Certification

RoHS, CE, ISO, CCC

Luminous Intensity

Standard

Color

Black

Structure

SOP-18

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

High Surge Current Capability: Designed to handle high surge currents for robust performance in demanding applications.

Low Forward Voltage Drop: Features low forward voltage drop for improved energy efficiency and thermal management.

50V High-Voltage Outputs: Provides 50V high-voltage outputs suitable for relay-driver and general switching applications.

Logic Compatible Inputs: Inputs are compatible with various types of logic families for easy integration.

Integrated Clamp Diodes: Built-in output clamp diodes protect against voltage spikes and ensure stable operation.

Glass Passivated Chip: Utilizes glass passivated chip technology for enhanced reliability and longevity.

RoHS and CE Certified: Meets strict RoHS, CE, ISO, and CCC certification standards for global compliance.

Free Sample Availability: Customers can request free samples for testing, only paying for freight costs.

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: ≤4.59hTerms 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 with competitive prices, fast delivery, good quality, and prompt service. Our R&D team and engineers ensure the best support for clients.

Q:Can I get samples for testing?

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

Q:What is the delivery lead time?

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

Q:What are the payment terms?

Payment terms can be discussed based on the actual order situation. We accept LC and T/T.

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.