we could suggest these available alternatives for FKP1T011504D00JSSD (700 pcs) as 1500 pF capacitor with **±5% Tolerance **1600V (1,6kV) build in Poly-Propylen (PP), metallised Radial:
R73TI11504000J / 399-R73TI11504000J-ND as CAP FILM 1500pF ±5% 1.6kVDC RAD (11,10mm x 18,00mm x 5,00mm) of KEMET –> 600 pcs
and
FKP1T011504D00KSSD / 4499-FKP1T011504D00KSSD-ND as FKP 1 1500 pF ±10% 1600 VDC 7x14x18 PP –> 80 pcs as Marketplace product via TAW ELECTRONICS, INC
and
FKP1T011504D00KSSD / 1928-1141-ND CAP FILM 1500pF ±10% 1.6KVDC RAD –> 2 pcs as well from WIMA.