. High VcEO . Low Noise -65V (TBC556) -45V (TBC557) -30V (TBC558) 0.45 11 1.27 1.27 H^fj/ X 3 MAXIMUM RATINGS (Ta=25°C) CHARACTERISTIC Collector-Base Breakdown Voltage TBC556 TBC557 TBC558 Collector-Emitter Breakdown Voltage TBC556 TBC557 TBC558 Emitter-Base Breakdown Voltage SYMBOL v (B.