GB/T 38621-2020 English PDFUS$249.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 38621-2020: Transient thermal test method for light emitting diode modules Status: Valid
Basic dataStandard ID: GB/T 38621-2020 (GB/T38621-2020)Description (Translated English): Transient thermal test method for light emitting diode modules Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: L63 Classification of International Standard: 31.120 Word Count Estimation: 13,151 Date of Issue: 2020-04-28 Date of Implementation: 2020-11-01 Quoted Standard: SJ/T 11394-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration Summary: This standard specifies the principle, general requirements, test procedures, result analysis and calculation, and test report of the transient test method for thermal characteristics of LED modules composed of single or multiple light-emitting diode (LED) chips or devices. This standard applies to single or multiple LED chips or modules packaged by the device, as well as the measurement of thermal characteristics of modules composed of LED chips or devices and other microelectronic devices. The thermal characteristics measurement of other multi-chip or device packaged modules can also be referred to. GB/T 38621-2020: Transient thermal test method for light emitting diode modules---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....... Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 38621-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 38621-2020_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 38621-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 38621-2020_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+ countriesQuestion 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 Sales@ChineseStandard.net. 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. |