2N4248 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -40 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.05 A
• Collector Dissipation: 0.2 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 40 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-106

Here is an image showing the pin diagram of this transistor.The KST5086 (SOT-23), KST5087 (SOT-23), MMBT5086 (SOT-23) and MMBT5087 (SOT-23) is the SMD version of the 2N4248 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.The PN4248 is the TO-92 version of the 2N4248.You can replace the 2N4248 with the 2N4249, 2N4250 or 2N4250A.