3SDH4-[ ] 3SDH4-75 表面贴装型GDT - 3SDH4-[ ] 3SDH4-90 表面贴装型GDT - 3SDH4-[ ] 3SDH4-145 表面贴装型GDT - 3SDH4-[ ] 3SDH4-200 表面贴装型GDT - 3SDH4-[ ] 3SDH4-230 表面贴装型GDT - 3SDH4-[ ] 3SDH4-350 表面贴装型GDT - 3SDH4-[ ]