
1. Theme and Scope of Application: This standard specifies the relevant content of GB 6351 "Blank Detailed Specification for Rated Rectifier Diodes in Environments or Tubes Below 100A" for rated fast recovery rectifier diodes with voltage ranging from 5A to 500A. This standard is applicable to fast recovery rectifier diodes (hereinafter referred to as devices) with a rated cavity packaging for a forward average current of 5 A to 500 A. Reference standard GB 4024 Test methods for reverse blocking triode thyristors for semiconductor devices GB 4937 Mechanical and climatic test methods for discrete semiconductor devices GB4938 Acceptance and reliability of discrete semiconductor devices ZB Kd6 003 Shell for power semiconductor devices
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China