View 2sa1437 datasheet:

Ordering number:EN2524A PNP Epitaxial Planar Silicon Transistor 2SA1437 High-hFE, AF Amplifier Applications Applications Package Dimensions · AF amplifier, various drivers, muting circuit. unit:mm 2003A Features [2SA1437] · Very small-sized package permitting sets to be made smaller and slimer. · Adoption of FBET process. · High DC current gain : (hFE=400 to 1000). · High breakdown voltage : (VCEO? 100V). · Low collector-to-emitter saturation voltage : (VCE(sat)? 0.5V). · High VEBO : (VEBO? 15V). · Small Cob : (Cob=4.0pF typ). JEDEC : TO-92 1 : Emitter EIAJ : SC-43 2 : Collector Specifications SANYO : NP 3 : Base Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Collector-to-Base Voltage VCBO –120 V Collector-to-Emitter Voltage