BL Galaxy Electrical Production specification
NPN General Purpose Amplifier BF820/BF822
Document number: BL/SSSTC107 www.galaxycn.com
Rev.A 1
FEATURES Pb
Lead-free
z Low current(max.50mA).
z High voltage(max.300V).
APPLICATIONS
z Telephony and professional communication equipment.
SOT-23
ORDERING INFORMATION
Type No. Marking Package Code
BF820 1V SOT-23
BF822 1X SOT-23
MAXIMUM RATING @ Ta=25℃ unless otherwise specified
Symbol Parameter Value Unit
VCBO
Collector-Base Voltage BF820
BF822
300
250 V
VCEO
Collector-Emitter Voltage BF820
BF822
300
250 V
VEBO Emitter-Base Voltage 5 V
ICCollector Current -Continuous 50 mA
PCCollector Dissipation 250 mW
Tj,Tstg Junction and Storage Temperature -55to+150
℃
BL Galaxy Electrical Production specification
NPN General Purpose Amplifier BF820/BF822
Document number: BL/SSSTC107 www.galaxycn.com
Rev.A 2
ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
Parameter Symbol Test conditions MIN MAX UNIT
Collector-base breakdown voltage V(BR)CBO
IC=100μA IE=0 BF820
BF822
300
250 V
Collector-emitter breakdown
voltage V(BR)CEO
IC=1mA IB=0 BF820B
BF822
300
250 V
Emitter-base breakdown voltage V(BR)EBO IE=100μA IC=0 5 V
Collector cut-off current ICBO VCB=200V IE=0 10
nA
Emitter cut-off current IEBO VEB=5V IC=0 50
nA
DC current gain hFE VCE=20V IC=25mA 50
Collector-emitter saturation voltage VCE(sat) IC=30mA IB=5mA B 0.6 V
Transition frequency fT
VCE=10V IC=10mA
f=100MHz 60 MHz
Feedback capacitance Cre VCB=30V IC=0 f=100MHz 1.6 pF
PACKAGE OUTLINE
Plastic surface mounted package SOT-23
SOT-23
Dim Min Max
A 2.85 2.95
B 1.25 1.35
C 1.0Typical
D 0.37 0.43
E 0.35 0.48
G 1.85 1.95
H 0.02 0.1
J 0.1Typical
K 2.35 2.45
All Dimensions in mm
D
C
B
A
G
K
H
J
E
BL Galaxy Electrical Production specification
NPN General Purpose Amplifier BF820/BF822
Document number: BL/SSSTC107 www.galaxycn.com
Rev.A 3
SOLDERING FOOTPRINT
Unit：mm
PACKAGE INFORMATION
Device Package Shipping
BF820/822 SOT-23 3000/Tape&Reel
