Nexperia BC857A PNP General Purpose Transistor SOT-23 100mA

The Nexperia BC857A PNP Transistor is a surface-mount general-purpose device rated at -45 V collector-emitter voltage and 100 mA continuous collector current. It is designed for switching and amplification applications in compact electronic designs.

Overview

The BC857A is a PNP transistor supplied in an SOT-23 package with three pins. It features a -50 V collector-base voltage, a power dissipation of 250 mW and a DC current gain (hFE) of 125. With a transition frequency of 100 MHz, it is suited to switching and signal amplification in a range of circuits. The device is part of the BC857 series from Nexperia.

Key Features

• PNP polarity for complementary circuit designs
• SOT-23 package for compact PCB layouts
• Surface mount for automated assembly
• 100 MHz transition frequency
• Operating temperature up to 150 °C

Electrical Specifications

• Collector-Emitter Voltage (VCEO): -45 V
• Collector-Base Voltage (VCBO): -50 V
• Continuous Collector Current: 100 mA
• Power Dissipation: 250 mW
• DC Current Gain (hFE): 125
• Transition Frequency: 100 MHz
• Transistor Case Style: SOT-23

Dimensions and Weight

• Width: 3.3
• Depth: 1.5
• Height: 4.3
• Weight: 0.033 gm

Applications

Suited to general-purpose switching and amplification in consumer electronics, industrial controls and signal processing circuits. Its low current and low voltage ratings make it particularly suitable for battery-powered and portable applications.