View ssta56 datasheet:

SSTA56 / MMSTA56 / MPSA56 Transistors PNP General Purpose Transistor SSTA56 / MMSTA56 / MPSA56 Features External dimensions (Units : mm) 1) BVCEO < -40V (IC = -1mA) SSTA56 2) Complements the SSTA06 / MMSTA06 / MPSA06. 2.9±0.2 0.95 +0.2 -0.1 1.9±0.2 0.45±0.1 0.95 0.95 (1) (2) 0~0.1 Package, marking and packaging specifications 0.2Min. (3) Part No. SSTA56 MMSTA56 MPSA56 +0.1 (1) Emitter 0.15 -0.06 Packaging type SST3 SMT3 TO-92 0.4 +0.1 -0.05 (2) Base Marking R2G R2G - ROHM : SST3 All terminals have same dimensions (3) Collector Code T116 T146 T93 Basic ordering unit (pieces) 3000 3000 3000 MMSTA56 2.9±0.2 1.1 +0.2 -0.1 1.9±0.2 0.8±0.1 0.95 0.95 (1) (2) Absolute maximum ratings (Ta = 25°C) 0~0.1 Parameter Symbol Limits Unit (3) Collector-base v