BF420A3 Cystech, BF420A3 Datasheet - Page 2

• Manufacturer Part Number: BF420A3
• Description: NPN Epitaxial Planar Transistor
• Manufacturer: Cystech

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Characteristics
Thermal Characteristics
Note : Transistor mounted on a printed-circuit board
Ordering Information
BF420A3/S
Symbol
Symbol
*V
BV
R
BV
BV
*h
I
I
Cre
thJA
CBO
EBO
CE(sat)
f
T
BF420A3S
CBO
CEO
EBO
FE
BF420A3
Device
Thermal resistance from junction to ambient
Min.
300
300
50
60
5
-
-
-
-
-
(Ta=25 C)
Typ.
CYStech Electronics Corp.
-
-
-
-
-
-
-
-
-
-
Parameter
(Pb-free)
Package
TO-92
TO-92
Max.
0.6
1.6
10
10
50
-
-
-
-
-
MHz
Unit
µA
nA
nA
pF
V
V
V
V
-
2000 pcs / tape & box
2000 pcs / tape & box
Shipping
I
I
I
I
I
I
I
V
I
V
C
C
E
E
E
C
C
C
*Pulse Test: Pulse Width 380µs, Duty Cycle 2%
=10µA
=0, V
=0, V
CE
CE
=100µA
=1mA
=0, V
=30mA, I
=i
Conditions
=20V, I
=10V, I
C
=0, V
Note
CB
CB
EB
=200V
=200V, Tj=150 ℃
=5V
CE
C
C
B
=25mA
=10mA, f=100MHz
=5mA
=30V, f=1MHz
Test Conditions
CYStek Product Specification
Spec. No. : C234A3-A
Issued Date : 2004.03.02
Revised Date : 2004.10.18
Page No. : 2/4
Value
150
Unit
K/W