Download the 2N3021 datasheet PDF.
This datasheet also includes the 2N3163 variant, as both parts are published together in a single manufacturer document.
3 - 3.5 AMP PNP Sorted by IC, then VCEO
Part Number mIaCx (A) mVCaExO (V) Ratings based on 25˚C case temperature unless otherwise specified mhFiEn mhaFEx @Ic (A) VmCEa(sxat) (V) @(A)IC mfTin (MHz).