2SB642 + 2SD637 TRANSISTOR (PAIR)
KSP42 + KSP92 TRANSISTOR TO-92 (PAIR)
MJ4032 + MJ4035 TRANSISTOR TO-3 (PAIR)
2SB554 + 2SD424 TRANSISTOR TO-3 (PAIR)
2SB541 + 2SD388 TRANSISTOR TO-3 (PAIR)
BDX66C + BDX67C TRANSISTOR TO-3 (PAIR)
2SB556 + 2SD426 TRANSISTOR TO-3 (PAIR)
MJ2501 + MJ3001 TRANSISTOR TO-3 (PAIR)
MJ802 + MJ4502 TRANSISTOR TO-3 (PAIR)
HT12E + HT12D INTEGRATED CIRCUIT (PAIR) DIP-18