Transistor 2SD1991A Silicon NPN epitaxial planer .
Panasonic Semiconductor
2SD1991A - Silicon NPN Transistor
Transistor 2SD1991A Silicon NPN epitaxial planer type For general amplification Complementary to 2SB1320A 6.9±0.1 Unit: mm 1.05 2.5±0.1 (1.45) ±0.05.
