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Switching Diode Moisture Sensitivity Level 1 Low Current Leakage Fetures Applications SOT-23 BAS21Q
US$1.17
1-9 Pieces
US$0.93
10-99 Pieces
US$0.17
100+ Pieces
Product profile
Customization
AvailableType
Common Switching DiodeCertification
RoHSModel NO.
YJ-BAS21QFeatures1
Extremely Low Switching LossFeatures2
Excellent Stability and UniformityFeatures3
100% Avalanche TestedFeatures4
Built-in ESD DiodeApplication1
Switch Mode Power Supply (SMPS)Application2
Power Factor Correction (Pfc)Application3
Uninterruptible Power Supply (UPS)Application4
AC to DC ConvertersApplication5
TelecomApplication6
TV Power & LED Lighting PowerTransport Package
Plastic PackageSpecification
CustomizedTrademark
YJOrigin
Guangdong, ChinaProduction Capacity
10000 Pieces/DayKey features
AEC-Q101 Qualified: Part numbers with suffix 'Q' meet AEC-Q101 automotive standards.
Moisture Sensitivity Level 1: Ensures high reliability and ease of handling during assembly.
UL-94 V-0 Flammability Rating: Epoxy material meets strict UL-94 V-0 safety standards.
Halogen Free: Environmentally friendly epoxy formulation without halogens.
100% Avalanche Tested: Every unit undergoes rigorous avalanche testing for quality assurance.
Built-in ESD Diode: Integrated protection against electrostatic discharge events.
Extremely Low Switching Loss: Optimized design minimizes energy loss during switching operations.
SOT-23 Package: Compact SOT-23 case with tin-plated solderable leads.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2022-01-04Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤4.69hTerms 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 have?
A:
We provide turnkey solution including RD, PCB fabrication, SMT, testing and other value-added service.
Q:What are the main products of your PCB/PCBA services?
A:
Our PCB / PCBA services are mainly for the industries including Medical, Automotive, Energy, Metering / Measurements, Consumer Electronics.
Q:Can we inspect quality during production?
A:
Yes, we are open and transparent on each production process with nothing to hide. We welcome customer inspect our production process and check in house.
Q:How can we ensure our information should not let third party to see our design?
A:
We are willing to sign NDA effect by customer side local law and promising to keep customers data in high confidential level.
Q:What files required to get quotation from you?
A:
For PCB quotation, please provide the Gerber data / files and indication of related technical requirements as well as any special requirement if you have. For PCBA quotation, please provide Gerber data / files and also BOM (bill of materials), and if you need us to do function test, please also provide the test instruction/procedure.
Send Inquiry
*To:
Dongguan Merry Electronic Co., Ltd.
Dongguan Merry Electronic Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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