npn transistor factory
RoHS, CE, ISO, CCC
Chip Transistor
Plug-in Triode
High Frequency
High Power
Photosensitive, Power Triode, Switching Triode
Alloy
Silicon
-55~ 150(Celsius)
10A
500mA
300MW
NPN Transistor
25V
Ultrasonic Electronic Circuit Machine Equipment
Original Manufacturer
DC Current Gain (Hfe) (Min) @ IC, Vce
Through Hole
2sc3998
finestpcb
DIP
DIP
China
8541210000
Product Description
Product Title: RGB LED Module
Product Title: NPN Transistor - Factory Edition
Step into the future of electronics with our NPN Transistor - Factory Edition. Crafted with precision in our state-of-the-art facility, this transistor embodies reliability and innovation, setting the standard for electronic components.
Product Benefits:
High Performance: Experience optimal signal amplification and switching capabilities for seamless electronic applications.
Factory-Quality Assurance: Rigorously tested and manufactured in a cutting-edge facility to meet the highest industry standards.
Versatile Integration: Suitable for a myriad of electronic circuits, ensuring flexibility in your design projects.
Consistent Reliability: Built to withstand demanding conditions, ensuring consistent performance over time.
Product Features:
Product Specifications:
Type: NPN (Negative-Positive-Negative) for versatile applications
Voltage Rating: Precision engineering for stable voltage handling
Temperature Range: Wide operating range for diverse environments
Key Features:
Robust Construction: Sturdy build for enhanced durability and longevity.
Factory Calibration: Each transistor undergoes meticulous calibration for optimal performance.
Easy Integration: Designed for seamless inclusion in a variety of electronic circuits.
Elevate your electronic projects with the NPN Transistor - Factory Edition, where quality meets innovation in every connection!


Finest Printed Circuit Board Ltd offers One-stop electronic component sourcing at a cost-effective price. As a one-stop OEM PCB and PCBA manufacturer, we are committed to delivering high-quality, reliable, and cost-effective solutions. With our array of services, including PCB manufacturing, electronic component sourcing, and PCB assembly, we aim to be your trusted partner for all your PCB-related needs.
We understand the importance of sourcing reliable electronic components for efficient PCB assembly. As an experienced manufacturer, we have built strong relationships with trusted suppliers and distributors worldwide. Leveraging our vast network, we can source a wide range of electronic components, including active components such as microcontrollers, ICs, and passive components like resistors, capacitors, and connectors. We ensure that the components we source are genuine, meeting stringent quality standards.


















Why choose Finest PCB Assembly?
FAQ
Product Title: NPN Transistor - Factory Edition
Step into the future of electronics with our NPN Transistor - Factory Edition. Crafted with precision in our state-of-the-art facility, this transistor embodies reliability and innovation, setting the standard for electronic components.
Product Benefits:
High Performance: Experience optimal signal amplification and switching capabilities for seamless electronic applications.
Factory-Quality Assurance: Rigorously tested and manufactured in a cutting-edge facility to meet the highest industry standards.
Versatile Integration: Suitable for a myriad of electronic circuits, ensuring flexibility in your design projects.
Consistent Reliability: Built to withstand demanding conditions, ensuring consistent performance over time.
Product Features:
Product Specifications:
Type: NPN (Negative-Positive-Negative) for versatile applications
Voltage Rating: Precision engineering for stable voltage handling
Temperature Range: Wide operating range for diverse environments
Key Features:
Robust Construction: Sturdy build for enhanced durability and longevity.
Factory Calibration: Each transistor undergoes meticulous calibration for optimal performance.
Easy Integration: Designed for seamless inclusion in a variety of electronic circuits.
Elevate your electronic projects with the NPN Transistor - Factory Edition, where quality meets innovation in every connection!


Finest Printed Circuit Board Ltd offers One-stop electronic component sourcing at a cost-effective price. As a one-stop OEM PCB and PCBA manufacturer, we are committed to delivering high-quality, reliable, and cost-effective solutions. With our array of services, including PCB manufacturing, electronic component sourcing, and PCB assembly, we aim to be your trusted partner for all your PCB-related needs.
We understand the importance of sourcing reliable electronic components for efficient PCB assembly. As an experienced manufacturer, we have built strong relationships with trusted suppliers and distributors worldwide. Leveraging our vast network, we can source a wide range of electronic components, including active components such as microcontrollers, ICs, and passive components like resistors, capacitors, and connectors. We ensure that the components we source are genuine, meeting stringent quality standards.



















1. More than 19 years experience of in electronic manufacturing services for PCB making.
2. One-stop service | PCB Manufacturing | Components sourcing and PCB assembly one-stop PCBA service to help you easily achieve your electronic products.
3. More than 1000 customers working with us for telecom, IOT, RF, smart control, security, medical, industrial, automotive, 3G / 4G / 5G products.
4. Reasonable and stable price: have established a strong global electronics components supply chain that helps us get
reasonable and stable price
reasonable and stable price
5. Quality assurance: more than 15 years of experience in the engineering team and quality control team to ensure
all products come out under control.
6. Professional replace-solution: help customers source professional replace-solution to achieve faster, lower cost with high-quality components purchasing agent service.
all products come out under control.
6. Professional replace-solution: help customers source professional replace-solution to achieve faster, lower cost with high-quality components purchasing agent service.
PCBA Technical Capability | |
1. Assembly Type:: | FR4, FPC, Rigid-flex PCB, Metal base PCB. |
2. Assembly Specification: | Min size L50*W50mm; Max size: L510*460mm |
3. Assembly thickness: | Min thickness: 0.2mm; Max thickness: 3.0mm |
4. Components Specification | |
Components DIP: | 01005Chip/0.35 Pitch BGA |
Minimum device accuracy: | +/-0.04mm |
Minimum footprint distance: | 0.3mm |
5. File format: | BOM list; PCB Gerber file: |
6. Test | |
IQC: | Incoming inspection |
IPQC: | Production inspection; first ICR test |
Visual QC: | Regularly quality inspection |
SPI test : | Automatic solder paste optical inspection |
AOI: | SMD component welding detection, components shortage & component polarity detection |
X-Ravd: | BGA test; QFN and other precision devices hidden PAD device inspection |
Function test: | Test function and performance according to the customer's test procedures and steps |
7. Reworking: | BGA rework equipment |
8. Delivery Time | |
Normal delivery time: | 24 hours( fastest 12 hours quick-turn) |
Small production: | 72 hours( fastest 24 hours quick-turn) |
Medium production: | 5 working days. |
9. Capacity: | SMT assembly 5 million points/day; plug-in & welding 300,000 points/day; 50-100 items/day |
10. Components Service | |
A full set of substitute materials: | Have experience in component procurement sourcing, and management systems, and provide cost-effective services for OEM projects |
Only SMT: | Do SMT and backhand welding according to components PCB boards provided by customers. |
Components purchasing: | Customers provide core components, and we provide component sourcing services. |
PCB Specification: | |||||
PCB layers: | 1-24layers | ||||
PCB materials: | CEM1, CEM3, Rogers, FR-4, High Tg FR-4, Aluminum Base, Halogen Free | ||||
PCB max. board size: | 620*1100mm (Custom) | ||||
PCB certificate: | RoHS Directive-Compliant | ||||
PCB Thickness: | 1.6 ±0.1mm | ||||
Layer Copper Thickness: | 0.5-5oz | ||||
Inner Layer Copper Thickness: | 0.5-4oz | ||||
PCB max. board thickness: | 6.0mm | ||||
Minimum Hole Size: | 0.20mm | ||||
Minimum Line Width/Space: | 3/3mil | ||||
Min. S/M Pitch: | 0.1mm(4mil) | ||||
Plate Thickness and Aperture Ratio : | 30:1 | ||||
Minimum Hole Copper: | 20µm | ||||
Hole Dia. Tolerance(PTH): | ±0.075mm(3mil) | ||||
Hole dia. Tolerance(NPTH): | ±0.05mm (2mil) | ||||
Hole Position Deviation: | ±0.05mm (2mil) | ||||
Outline Tolerance: | ±0.05mm (2mil) | ||||
PCB solder mask: | Black, white, yellow | ||||
PCB surface finished: | HASL Lead-free, Immersion ENIG, Chem Tin, Flash Gold, OSP, Gold finger, Peelable, Immersion Silver | ||||
Legend: | White | ||||
E-test: | 100% AOI, X-ray, Flying probe test. | ||||
Outline: | Rout and Score/V-cut | ||||
Inspection Standard: | IPC-A-610CCLASSII | ||||
Certificates: | UL (E503048),ISO9001/ISO14001/IATF16949 | ||||
Outgoing Reports: | Final Inspection, E-test, Solderability Test, Micro Section, and More |
FAQ
1. who are we?
We are based in Guangdong, China, and start from 2019, sell to Domestic Market(50.00%), North America(15.00%), South
America(12.00%),Northern Europe(12.00%),Western Europe(5.00%),Southeast Asia(2.00%),Mid East(2.00%),Eastern Europe(2.00%). There
are a total of about 301-500 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. what can you buy from us?
PCBA, PCB Assembly, PCBA Board, LED PCBA, Electronic PCBA
4. why should you buy from us not from other suppliers?
*A 18-year one-stop solution provider *Strong R&D group with 30 engineers *Monthly output:45000 sqm of PCBs and PCBAs*4500-square-meter factory *Eight SMT production-line *Automatic SMT, Reflow machine, AOI&x-RAY *Fast response, reply within 24hrs
5. what services can we provide?
Accepted Delivery Terms: FOB, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, GBP;
Accepted Payment Type: T/T, L/C, MoneyGram, Western Union;
Language Spoken: English, French
We are based in Guangdong, China, and start from 2019, sell to Domestic Market(50.00%), North America(15.00%), South
America(12.00%),Northern Europe(12.00%),Western Europe(5.00%),Southeast Asia(2.00%),Mid East(2.00%),Eastern Europe(2.00%). There
are a total of about 301-500 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. what can you buy from us?
PCBA, PCB Assembly, PCBA Board, LED PCBA, Electronic PCBA
4. why should you buy from us not from other suppliers?
*A 18-year one-stop solution provider *Strong R&D group with 30 engineers *Monthly output:45000 sqm of PCBs and PCBAs*4500-square-meter factory *Eight SMT production-line *Automatic SMT, Reflow machine, AOI&x-RAY *Fast response, reply within 24hrs
5. what services can we provide?
Accepted Delivery Terms: FOB, CIF, EXW, Express Delivery;
Accepted Payment Currency: USD, EUR, GBP;
Accepted Payment Type: T/T, L/C, MoneyGram, Western Union;
Language Spoken: English, French