ST BC547B, BC547C User Manual

BC547B-AP

®

BC547B

BC547C

SMALL SIGNAL NPN TRANSISTORS

Ordering Code	Marking	Package / Shipment
BC547B	BC547B	TO-92 / Bulk
BC547B-AP	BC547B	TO-92	/ Ammopack
BC547C	BC547C	TO-92 / Bulk
BC547C-AP	BC547C	TO-92	/ Ammopack

■SILICON EPITAXIAL PLANAR NPN TRANSISTORS

■TO-92 PACKAGE SUITABLE FOR THROUGH-HOLE PCB ASSEMBLY

■BC547B - THE PNP COMPLEMENTARY

TYPE IS BC557B

■

APPLICATIONS

■WELL SUITABLE FOR TV AND HOME APPLIANCE EQUIPMENT

■SMALL LOAD SWITCH TRANSISTORS WITH HIGH GAIN AND LOW SATURATION VOLTAGE

ABSOLUTE MAXIMUM RATINGS

TO-92	TO-92
Bulk	Ammopack

INTERNAL SCHEMATIC DIAGRAM

Symbol	Parameter	Value	Unit
VCBO	Collector-Base Voltage (IE = 0)	50	V
VCEO	Collector-Emitter Voltage (IB = 0)	45	V
VEBO	Emitter-Base Voltage (IC = 0)	6	V
IC	Collector Current	100	mA
ICM	Collector Peak Current (tp < 5 ms)	200	mA
Ptot	Total Dissipation at TC = 25 oC	500	mW
Tstg	Storage Temperature	-65 to 150	oC
Tj	Max. Operating Junction Temperature	150	oC

March 2003	1/5

BC547B / BC547C

THERMAL DATA

Rthj-amb ∙	Thermal	Resistance	Junction-Ambient	Max	250	oC/W
Rthj-Case ∙	Thermal	Resistance	Junction-Case	Max	83.3	oC/W

ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified)

Symbol	Parameter		Test Conditions			Min.	Typ.	Max.	Unit
ICBO	Collector Cut-off	VCB = 30 V		TC = 150 oC				15	nA
	Current (IE = 0)	VCB = 30 V						5	μA
IEBO	Emitter Cut-off Current	VEB = 5 V						100	nA
	(IC = 0)
V(BR)CEO	Collector-Emitter	IC = 10 mA				45			V
	Breakdown Voltage
	(IB = 0)
VCE(sat)	Collector-Emitter	IC = 10 mA		IB = 0.5 mA			0.09	0.25	V
	Saturation Voltage	IC = 100 mA		IB = 5 mA			0.2	0.6	V
VBE(sat)	Base-Emitter	IC = 10 mA		IB = 0.5 mA			0.7		V
	Saturation Voltage	IC = 100 mA		IB = 5 mA			0.9		V
VBE(on)	Base-Emitter On	IC = 2 mA		VCE = 5 V		0.58	0.66	0.7	V
	Voltage	IC = 10 mA		VCE = 5 V				0.77	V
hFE	DC Current Gain	IC = 2 mA		VCE = 5 V
		for BC547B				200		450
		for BC547C				420		800
fT	Transition Frequency	IC = 10 mA		VCE = 5 V	f = 100MHz	100			MHz
CCBO	Collector-Base	IE = 0	VCB = 10 V		f = 1 MHz		1.5		pF
	Capacitance
CEBO	Emitter-Base	IC = 0	VEB = 0.5 V		f = 1 MHz		11		pF
	Capacitance
NF	Noise Figure	VCE = 5 V	IC = 200 μA		f = 1KHz		2	10	dB
		f = 200 Hz		RG = 2 KΩ
Pulsed: Pulse	duration = 300 μs, duty cycle ≤	2 %

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