1153 info

[e_c_mccollum]

Need a replacement for 2sk1153.

[oc disorder]

Maybe the Sanyo 2SK1439 but has no protection diode between gate and source.
Otherwise its 450v 3A.

[Jazz P Bass]

Or you could purchase them from this supplier.
Link: FET, Semiconductor 2SK1153 [2SK1153] - $3.40 : HB Electronics, TV & Electronic Replacement Parts Supplier Semiconductors IC Capacitors Transformers Lamps @ hbelects.com