BF494

Maximum Operating Frequency :
Transistor Polarity : NPN
Collector- Emitter Voltage VCEO Max : 20 V
Configuration : Single
Maximum Operating Temperature : + 150 C
DC Collector/Base Gain hfe Min : 65
Mounting Style : Through Hole
Emitter- Base Voltage VEBO : 5 V
Package / Case : TO-92
Packaging : Bulk
Maximum DC Collector Current : 0.03 A


Features:

• Low current (max. 30 mA)
• Low voltage (max. 20 V).




Application

• HF applications in radio and television receivers
• FM tuners
• Low noise AM mixer-oscillators
• IF amplifiers in AM/FM receivers.




Pinout






Specifications

SYMBOL	PARAMETER	CONDITIONS	MIN.	MAX.	UNIT
VCBO	collector-base voltage	open emitter	-	30	V
VCEO	collector-emitter voltage	open base	-	20	V
VEBO	emitter-base voltage	open collector	-	5	V
IC	collector current (DC)		-	30	mA
ICM	peak collector current		-	30	mA
Ptot	total power dissipation	Tamb 25 ; note 1	-	300	mW
Tstg	storage temperature		−65	+150
Tj	junction temperature		-	150
Tamb	operating ambient temperature		−65	+150

Description

NPN medium frequency transistor BF494 in a TO-92; SOT54 plastic package.




Parameters:

Technical/Catalog Information	BF494
Vendor	Fairchild Semiconductor
Category	Discrete Semiconductor Products
Frequency - Transition	-
Noise Figure (dB Typ @ f)	-
Current - Collector (Ic) (Max)	30mA
DC Current Gain (hFE) (Min) @ Ic, Vce	67 @ 1mA, 10V
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	20V
Gain	-
Power - Max	350mW
Compression Point (P1dB)	-
Package / Case	TO-92
Packaging	Bulk
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BF494 BF494