ZTX558 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -400 V
• Collector-Base Voltage, max: -400 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.2 A
• Collector Dissipation: 1 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -55 to +200 °C
• Package: TO-92

The ZTX558 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads.
Here is an image showing the pin diagram of this transistor.You can replace the ZTX558 with the KSP94 or MPSA94.