2SB1188SQ-Q is a transistor manufactured by PingJingSemi. It is RoHS compliant and comes in a SOT-89 package. The transistor is a NPN type and is rated for operating at 10V, 25mA, and with a maximum power dissipation of 625mW. This transistor is designed to provide high switching speeds, low power consumption, and stable current gain. It can be used in audio applications, power control, and amplification.