| Replacement Part Number | Repl. Mfr | Description | Reference Type |
|---|---|---|---|
| 2SA1213 Cross Reference | Toshiba | NPN EPITAXIAL TYPE (POWER AMPLIFIER, SWITCHING APPLICATIONS) | Compatible Equivalent |
| 2SA1797 Cross Reference | Rohm | Power Transistor (-50v, -3a) | Compatible Equivalent |
| 2SA1900 Cross Reference | Rohm | Medium Power Transistor (-50v, -1a) | Compatible Equivalent |
| 2SB1123 Cross Reference | Sanyo | Info source: KEC web-site | Compatible Equivalent |
| 2SB1561 Cross Reference | Rohm | Medium Power Transistor (-60v, -2a) | Compatible Equivalent |
| BCX52 Cross Reference | Infineon | PNP Silicon AF Transistors | Possible Analogue |
There are 6 cross reference alternative products totally about KTA1666 : 5 Compatible Equivalent and 1 Possible Analogue , Replacement Manufacturers include : Toshiba Cross Reference Rohm Cross Reference Sanyo Cross Reference Infineon Cross Reference