C32725 Transistor – 45V, 500mA, PNP Transistor ( BC327-25 )

Marking : C32725, Part Number: BC327-25

Function: 45 V, 500 mA PNP general-purpose transistor

Package: SOT-54 Type

Manufacturer: Philips, NXP

Images:C32725 datasheet

Description

C32725 is 45V, 500mA, PNP general-purpose transistor. A PNP transistor is one of the semiconductor components used in electrical engineering and electronic circuit design, belonging to the Bipolar Junction Transistor (BJT) family. The PNP transistor consists of three layers of semiconductor material: P-type, N-type, and P-type, each with different charges. The name PNP transistor stands for “Positive-Negative-Positive,” reflecting the characteristics of these three semiconductor layers.

PNP transistors comprise the following key components:

1. Emitter: The emitter is the first layer and is made of P-type semiconductor material. The emitter serves as the primary source of current.

2. Base: The base is the second layer and is made of N-type semiconductor material. The base controls the current between the emitter and collector.

3. Collector: The collector is the third layer and is made of P-type semiconductor material. The collector collects the current, which flows from the emitter through the base.

 

Features

1. High current

2. Low voltage

 

C32725 pdf transistor

PNP transistors control the flow of a large current (collector current) between the emitter and collector using a small current applied to the base (base current). When a base current flows, the PNP transistor permits the flow of electrons from the emitter to the collector, resulting in an increase in collector current. Reducing the base current reduces the collector current. Consequently, PNP transistors are valuable electronic components for controlling large output currents with small input currents.

PNP transistors find applications in amplifiers, switches, amplitude modulators, power amplifiers, and various circuit designs, playing a crucial role in electronic devices and circuitry.

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = – 50 V

2. Collector to Emitter Voltage: Vceo = – 45 V

3. Emitter to Base Voltage: Vebo = – 5 V

4. Collector Current: Ic = – 500 mA

5. Total Power Dissipation: Ptot = 625 mW

6. Junction Temperature: Tj = 150°C

7. Storage Temperatue: Tsg = -55 ~ +150°C

 

Applications

1. General-purpose switching and amplification

 

C32725 PDF Datasheet