Page 1
BL Galaxy Electrical Production specification
NPN High-Voltage Transistor BST39/BST40
FEATURES
Pb
z Low current(max.100mA).
z P
z High voltage(max.350v).
=1.3W.
C
APPLICATIONS
z General purpose switching and amplification.
SOT-89
ORDERING INFORMATION
Type No. Marking Package Code
BST39/BST40 AT1/AT2 SOT-89
MAXIMUM RATING @ Ta=25℃ unless otherwise specified
Symbol Parameter Value Units
Lead-free
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
BM
P
tot
Tj,T
stg
Collector-Base Voltage BST39
BST40
Collector-Emitter Voltage BST39
BST40
Emitter-Base Voltage 5 V
Collector Current -DC 100 mA
Peak Collector Current 200 mA
Peak Base Current 100 mA
Total powerDissipation 1.3 W
Junction and Storage Temperature -65~150
400
300
350
250
V
V
℃
Document number: BL/SSSTG029 www.galaxycn.com
Rev.A 1
Page 2
BL Galaxy Electrical Production specification
NPN High-Voltage Transistor BST39/BST40
ELECTRICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified
Parameter Symbol Test conditions MIN
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage V
Collector cut-off current
Emitter cut-off current
DC current gain
Collector-emitter saturation voltage
Transition frequency
Collector capacitance
V
(BR)CBO
V
(BR)CEO
(BR)EBO
I
CBO
I
EBO
h
FE
V
CE(sat)
f
T
C
c
IC=100μA,IE=0 BST39
BST40
I
=1mA,IB=0 BST39
C
BST40
=100μA,IC=0 BST39
I
E
BST40
VCB=300V,IE=0 20 nA
VEB=5V,IC=0 0.1 μA
VCE=10V,IC=20mA 40
IC=50mA, IB=4mA
VCE=10V,IC=10mA,
f=100MHz
VCB=10V,IE=0,f=1MHz
400
300
350
250
5
0.5 V
70 MHz
2 pF
TYP MAX UNIT
V
V
V
PACKAGE OUTLINE
Plastic surface mounted package SOT-89
Dim Min Max
A 4.5 4.7
B 2.3 2.7
C 1.5Typical
D 0.35 0.55
E 1.4 1.6
F 0.4 0.6
H 1.55 1.75
J 0.4Typical
K 4.15 4.25
SOT-89
All Dimensions in mm
Document number: BL/SSSTG029 www.galaxycn.com
Rev.A 2
Page 3
BL Galaxy Electrical Production specification
NPN High-Voltage Transistor BST39/BST40
SOLDERING FOOTPRINT
Unit:mm
PACKAGE INFORMATION
Device Package Shipping
BST39/BST40 SOT-89 1000/Tape&Reel
Document number: BL/SSSTG029 www.galaxycn.com
Rev.A 3
Page 4
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