8051 Microcontroller Are Manufactured By Which Of The Following Companies
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About 8051 microcontroller are manufactured by which of the following companies
Which Companies Manufacture 8051 Microcontrollers?
The 8051 microcontroller architecture, originally developed by Intel in the early 1980s, remains widely used in embedded systems due to its reliability, simplicity, and extensive ecosystem. While Intel no longer actively produces new variants, the IP has been licensed to multiple semiconductor manufacturers globally. Today, leading producers of 8051-based microcontrollers include Silicon Labs (formerly Cygnal), Nuvoton, STC Micro, and a range of secondary suppliers specializing in cost-optimized or industrial-grade derivatives.
China has emerged as a central hub for sourcing 8051-compatible ICs, with Shenzhen serving as the core electronics distribution and rebranding center. The region hosts numerous trading and distribution firms that source original, second-sourced, and compatible chips from foundries across Asia. These suppliers offer access to both legacy components (e.g., P87C51 series) and enhanced variants (e.g., C8051F series) with integrated analog peripherals, USB interfaces, and low-power modes. Buyers benefit from short lead times, flexible MOQs, and competitive pricing, particularly for prototyping, replacement, or mid-volume production needs.
How to Evaluate 8051 Microcontroller Suppliers?
When sourcing 8051 microcontrollers, technical accuracy, supply chain transparency, and transaction reliability are critical. Follow these verification protocols to mitigate risk:
Component Authenticity & Compatibility
Confirm whether the listed product is an original manufacturer part (e.g., Silicon Labs C8051Fxxx) or a functionally compatible alternative. Request datasheets and marking codes to validate pin-to-pin and instruction-set compatibility. For mission-critical applications, prioritize traceable sourcing from authorized distributors or verified OEMs.
Quality Assurance Indicators
Assess supplier performance metrics where available:
- On-time delivery rate exceeding 95%
- Reorder rate above 30% indicating customer retention
- Response time under 2 hours for technical inquiries
These KPIs correlate with operational stability and post-sale support capability.
Procurement Terms Verification
Analyze minimum order quantities (MOQs), which range from single pieces to bulk lots (50+ units). Lower MOQs suit R&D and repair workflows, while volume pricing applies at scale. Verify packaging conditions—original sealed reels versus cut-tape or repackaged batches—as this impacts quality assurance. Where applicable, confirm compliance with RoHS and reach standards for environmental regulations.
Top 8051 Microcontroller Suppliers: Performance Overview
| Company Name | Location | Main Product Focus | Online Revenue | On-Time Delivery | Avg. Response | Reorder Rate | MOQ Range | Price Range (USD) |
|---|---|---|---|---|---|---|---|---|
| Shenzhen Jeking Electronic Corp. | Shenzhen, CN | Microcontrollers, AT89C51, N76E885 | US $350,000+ | 100.0% | ≤2h | 38% | 10–100 pcs | $0.08–$31.00 |
| Shenzhen Zhida Shunfa Electronics Co., Ltd. | Shenzhen, CN | C8051F Series, Original/Refurbished ICs | US $270,000+ | 100.0% | ≤2h | 32% | 5 pcs | $0.10–$9.90 |
| Shenzhen Nanfeng Quancheng Electronics Co., Ltd. | Shenzhen, CN | Power Management, MCU, Linear ICs | US $60,000+ | 100.0% | ≤1h | 28% | 1 pc | $0.10–$1.50 |
| Shenzhen Maoxing Weiye Technology Co., Ltd. | Shenzhen, CN | C8051F, STC15 Series, Programmable Devices | US $130,000+ | 100.0% | ≤2h | 29% | 2–50 pcs | $0.28–$3.00 |
| Guangzhou Little Sesame Trading Co., Ltd. | Guangzhou, CN | Specialized ICs, FPGA, RF, MCU | US $6,000+ | 88.0% | ≤17h | 36% | 1 pc | $0.17–$1.00 |
Performance Analysis
Shenzhen-based suppliers dominate the 8051 microcontroller market in terms of delivery consistency and responsiveness, with all top three achieving 100% on-time shipment rates. Shenzhen Jeking Electronic Corp. leads in reorder rate (38%) and total sales volume, suggesting strong buyer confidence and product availability. Suppliers like Shenzhen Zhida Shunfa and Nanfeng Quancheng offer low MOQs and competitive pricing, ideal for small-batch procurement. Guangzhou Little Sesame, while less responsive (≤17h), maintains a high reorder rate despite lower revenue, indicating niche reliability in specific IC segments. Buyers should prioritize suppliers with sub-2-hour response times and transparent product tagging (e.g., “original,” “new and sealed”) to reduce counterfeit risk.
FAQs
Are 8051 microcontrollers still being manufactured?
Yes, while Intel has discontinued new production, companies like Silicon Labs, Nuvoton, and STC Micro continue manufacturing enhanced 8051-core MCUs with modern features such as flash memory, ADCs, and serial interfaces. Legacy parts are also available through secondary markets and authorized distributors.
What is the typical lead time for 8051 microcontroller orders?
For in-stock items from Chinese suppliers, lead time is typically 3–7 days after payment. Custom labeling or large-volume orders may extend to 15–20 days. Air shipping adds 5–10 days for international delivery.
Can I request product customization?
Yes, several suppliers offer customization options including logo printing, special packaging, value declaration, and labeling. Minimum volumes typically start at 1,000 units, though smaller batches may be accommodated for established buyers.
How to verify chip authenticity?
Request batch numbers, original packaging photos, and cross-reference markings with manufacturer datasheets. Use multimeter or programmer verification for functional testing. For high-volume purchases, consider third-party inspection services or lab analysis.
Do these suppliers support global shipping?
Yes, most suppliers ship worldwide via express carriers (DHL, FedEx) or air freight. Ensure Incoterms (e.g., FOB, DDP) are clarified upfront to manage customs, duties, and import compliance, especially for regulated electronic components.
