HOME   Cart(1)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 39950-2021 English PDF

US$129.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39950-2021: Alumina ceramic heat radiating element for LED lamp
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 39950-2021English129 Add to Cart 3 days [Need to translate] Alumina ceramic heat radiating element for LED lamp Valid GB/T 39950-2021

PDF similar to GB/T 39950-2021


Standard similar to GB/T 39950-2021

SJ/T 11795   GB/T 4184   GB/T 41203   GB/T 39975   GB/T 39863   

Basic data

Standard ID GB/T 39950-2021 (GB/T39950-2021)
Description (Translated English) Alumina ceramic heat radiating element for LED lamp
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L92
Word Count Estimation 7,778
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 39950-2021: Alumina ceramic heat radiating element for LED lamp

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Alumina ceramic heat radiating element for LED lamp ICS 31.220 L92 National Standards of People's Republic of China Alumina ceramic heat dissipation element for LED lamp Released on 2021-04-30 2021-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Industrial Ceramics Standardization Technical Committee (SAC/TC194). Drafting organizations of this standard. Shandong Industrial Ceramics Research and Design Institute Co., Ltd., China Building Materials Inspection and Certification Group Zibo Co., Ltd., Sinoma High-tech Materials Co., Ltd., Sinoma Jiangxi Electric Porcelain Electric Co., Ltd. The main drafters of this standard. Zhao Xiaobo, Bao Xiaoyun, Wang Yubao, Wang Shengjie, Zhang Yongcui, Ding Xiaowei, Chen Xuejiang, Wang Kun, Wu Ping, Li Xiaoyong, Song Tao, Zhang Dajun, Sang Jianhua. Alumina ceramic heat dissipation element for LED lamp

1 Scope

This standard specifies the classification, marking, technical requirements, test methods, inspection rules, signs, Packaging, transportation and storage. This standard is applicable to aluminum oxide ceramic heat dissipation components that carry light-emitting chips and metal circuits for LED lamps.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 5593 Structural ceramic materials for electronic components GB/T 5594.5 Electronic component structural ceramic material performance test method Volume resistivity test method GB/T 6062 Product Geometric Technical Specification (GPS) Surface structure contour method contact (stylus) type instrument nominal characteristics GB/T 6569 Test method for bending strength of fine ceramics GB/T 6900 Aluminium-silicon refractory chemical analysis method GB/T 9531.1-1988 Technical conditions for electronic ceramic parts GB/T 14619 Alumina ceramic substrates for thick film integrated circuits GB/T 22588 flash method to measure thermal diffusivity or thermal conductivity GB/T 25995 Test method for density and apparent porosity of fine ceramics

3 categories

3.1 Structural classification According to the external structure of the heat dissipation area, it is divided into 6 types. flat structure, corrugated structure, bump structure, pin structure, grid structure and cup structure (such as As shown in Figure 1), which are represented by a, b, c, d, e, and f6 letters. a) Flat structure b) Corrugated structure c) Bump structure Figure 1 Outline structure

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39950-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39950-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39950-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39950-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.