Audio Amplifier Driver Stage NPN Transistor CBI BCX55-16U with Low Voltage and High Current Features

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Product Description

Product Overview

This NPN transistor series offers PNP complements to the BCX51, BCX52, and BCX53 families. Designed for low voltage and high current applications, these transistors are ideal for driver stages in audio amplifiers. The series includes models BCX54, BCX55, and BCX56, with various current gain (hFE) ranks available, denoted by suffixes like -10 and -16.

Product Attributes

Brand: Heyuan China Base Electronics Technology Co., Ltd.
Product Type: Transistor (NPN)
Package: SOT-89 Plastic-Encapsulate

Technical Specifications

Model	Parameter	Symbol	Test Conditions	Min	Typ	Max	Unit
BCX54	Collector-Base Voltage	VCBO	Ta=25 unless otherwise noted	45			V
				BCX55	60
				BCX56	100
BCX54	Collector-Emitter Voltage	VCEO	Ta=25 unless otherwise noted	45			V
				BCX55	60
				BCX56	80
Emitter-Base Voltage				VEBO		5	V
Collector Current				IC		1	A
Collector Power Dissipation				PC		500	mW
Thermal Resistance From Junction To Ambient				RJA		250	/W
Junction Temperature				Tj		150
Storage Temperature				Tstg	-55	+150
BCX54	Collector-base breakdown voltage	V(BR)CBO	IC=100A,IE=0	45			V
			BCX55	60
			BCX56	100
BCX54	Collector-emitter breakdown voltage	V(BR)CEO*	IC=10mA,IB=0	45			V
			BCX55	60
			BCX56	80
Emitter-base breakdown voltage				V(BR)EBO	IE=100A,IC=0	5	V
Collector cut-off current				ICBO	VCB=30V,IE=0	0.1	A
Emitter cut-off current				IEBO	VEB=5V,IC=0	0.1	A
BCX54	DC current gain	hFE	VCE=2V, IC=5mA	40
			VCE=2V, IC=150mA		63	250
			VCE=2V, IC=0.5A		25
Collector-emitter saturation voltage				VCE(sat)*	IC=0.5A,IB=50mA	0.5	V
Base-emitter voltage				VBE*	VCE=2V, IC=0.5A	1	V
Transition frequency				fT	VCE=5V,IC=10mA, f=100MHz	130	MHz