The 2SK1507, 2SK-1507, K1507, 1507 is a 600V 9A 50W High speed switching MOSFET, Low on-resistance No secondary breakdown Low driving power High voltage VGSS = ±30V Guarantee Avalanche-proof Applications.
The AD633JN, AD633A are functionally complete four quadrant analog multiplier. Its includes high impedance, differential X and Y inputs and a high impedance summing input (Z) low impedance output voltage is nominal 10V full scale provided by a buried Zene
The CA3130A and CA3130E are op amps that combine the advantage of both CMOS and bipolar transistors. Those are used in the input circuit to provide very-high-input impedance, very-low-input current, and exceptional speed performance.
The 2SD880 transistor can have a current gain of 60 to 300. The gain of the 2SD880O will be in the range from 60 to 120, for the 2SD880Y it will be in the range from 100 to 200, for the 2SD880GR it will be in the range from 150 to 300.