STD21W и другие
| Компонент | Описание | Производитель | |
| BTD2118J3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2118LJ3 | CYStech Electronics Corp. |
Cystech Electonics Corp. |
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| BTD2150A3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150AD3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150AE3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150AM3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150AT3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150L3 | Low Vcesat NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2150N3 | Low VCE(sat) NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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| BTD2195J3 | NPN Epitaxial Planar Transistor |
Cystech Electonics Corp. |
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