KSC2690A substitute?

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  • ASA1500 OR 1000 - has driver board schematic - type 2.png
    ASA1500 OR 1000 - has driver board schematic - type 2.png
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There aren't any ksc2690 on the schematic.
If the ksc2690 are in place of the ksc1027, yeah, sure. 3520 are higher voltage, may have a little higher Cbe but probably should work.
Incidently when subbing ksc for 2sc parts, use the fairchild datasheet, not the sanyo or toshiba one. Some parameters may be different. I found it on datasheetcatalog.com.