> STANDARD > Electronic Devices Standardization Discrete Semiconductor Devices Search by standard title Search by standard number Please read first Japanese English Both Japanese & English Electronic Devices StandardizationDiscrete Semiconductor Devices No. Title Issue Date Stabilized Former No.Remarks Purchase ED-4002A JTerms and definitions for discrete semiconductor devices 1993.112006.01 ED-4002 JSA ED-4359A JMeasuring Methods of Microwave Semiconductor Devices 2005.122025.10 ED-4359 JSA ED-4511C JEssential ratings, characteristics and testing methods for diodes 1991.112002.032013.032021.05 ED-4511ED-4511AED-4511B JSA ED-4521 JEssential ratings characteristics and testing methods for thyristors 1994.01 2019.01 SD-11SD-21 JSA ED-4522 JEssential ratings characteristics and testing methods for turn off thyristors 1995.01 2019.01 JSA ED-4541A BEssential ratings characteristics and testing methods for high power transistors 1989.051999.08 2015.06 ED-4541 JSA ED-4561B BEssential ratings characteristics and testing methods for high power field effect transistors 1989.031999.082018.02 ED-4561ED-4561A JSA ED-4562B BEssential ratings, characteristics and testing methods for insulated gate bipolar transistors 1990.03 2000.052016.03 ED-4562 ED-4562A JSA ED-4912B JLight Emitting Diodes 2008.032018.032024.03 ED-4912ED-4912A JSA EDR-4101 JLeadless Silicon Diodes 2011.06 ED-4131 ED-4132 ED-4133 ED-4134 JSA EDR-4102 JSmall-signal Diodes,Small-signal Transistors and Type designation system for discrete semiconductor devices 2011.06 ED-4001A ED-4121 ED-4122 JSA EDR-4901 JTerms and Definitions for LEDs and Photocouplers 2015.03 JSA