BUF420A ST Microelectronics, BUF420A Datasheet - Page 2

• Manufacturer Part Number: BUF420A
• Description: HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
• Manufacturer: ST Microelectronics

BUF420A
THERMAL DATA
ELECTRICAL CHARACTERISTICS (T
2/6
V
V
V
V
Symb ol
V
R
CEO(sus )
CE
CE
CE(sat )
BE(s at)
di
V
V
t hj-ca se
I
I
I
CER
CEV
EBO
CEW
EBO
c
(3 s) Collector-Emitter
(5 s) Collector-Emitter
t
t
t
t
t
t
t
t
t
/dt
s
f
c
s
f
c
s
f
c
Thermal Resistance Junction-Case
Collector Cut-off
Current (R
Collector Cut-off
Current (V
Emitter Cut-off Current
(I
Collector-Emitter
Sustaining Voltage
Emitter Base Voltage
(I
Collector-Emitter
Saturation Voltage
Base-Emitter
Saturation Voltage
Rate of rise on-state
Collector Current
Dynamic Voltage
Dynamic Voltage
INDUCTIVE LOAD
Storage Time
Fall T ime
Cross Over T ime
INDUCTIVE LOAD
Storage Time
Fall T ime
Cross Over T ime
Maximum Collector
Emitter Voltage
without Snubber
INDUCTIVE LOAD
Storage Time
Fall T ime
Cross Over T ime
(I
C
C
B
= 0)
= 0)
= 0)
Parameter
BE
BE
= -1.5V)
= 5
V
V
V
V
V
I
I
I
I
I
I
I
I
I
I
V
I
I
I
V
I
I
V
I
I
I
V
V
L = 0.25 mH
I
V
V
L = 0.25 mH
I
V
V
L = 0.25 mH
I
V
V
L = 0.25 mH
C
E
C
C
C
C
C
C
C
C
B1
B1
B1
B1
B1
B1
B1
C
C
C
C
CE
CE
CE
CE
BE
CC
CC
CC
BB
c la mp
BB
c la mp
BB
c la mp
BB
c la mp
= 50 mA
= 200 mA
= 10A
= 10 A
= 20 A
= 20 A
= 10A
= 10 A
= 20 A
= 20 A
= 10 A
= 10 A
= 10 A
= 10 A
= 1.5 A
= 1.5 A
= 6 A
= 1.5 A
= 1.5 A
= 1.5 A
= 1.5 A
= 1000 V
= 1000 V
= 1000 V
= 1000 V
= 5 V
= - 5 V
= - 5 V
= - 5 V
= 0
= 300 V R
= 300 V
= 300 V
case
= 400 V
= 400 V
= 400 V
= 400 V
= 25
Test Cond ition s
T
T
T
o
I
I
I
I
I
I
I
I
B
B
B
B
B
B
B
B
C unless otherwise specified)
j
j
j
C
=25
=100
=100
= 1 A
= 1 A
= 2 A
= 2 A
= 1 A
= 1 A
= 2 A
= 2 A
= 0
T
T
c
c
o
= 100
= 100
C
o
o
C
C
T
T
T
T
t
R
R
I
I
T
I
T
R
I
V
R
V
R
V
R
V
T
T
p
B1
B1
B1
B1
j
j
j
j
j
j
= 3 s
C
C
BB
CC
BB
CC
BB
CC
BB
CC
L = 25 mH
c
c
=25
=100
=25
=100
=100
=125
T
T
=100
=100
= 60
= 60
= 0.5 A
= 1 A
= 1 A
= 1 A
o
o
c
c
= 0.15
= 0.6
= 0.6
= 0.6
Max
C
C
= 50 V
= 50 V
= 50 V
= 50 V
=100
=100
o
o
C
C
o
o
o
o
C
C
C
C
o
o
C
C
o
o
C
C
Min.
450
150
500
70
7
Typ .
0.63
0.05
0.08
0.04
0.07
100
0.8
0.5
0.9
1.1
2.1
1.1
1.5
1
Max.
0.18
0.2
0.2
2.8
1.5
1.5
0.1
1
1
1
2
8
4
2
o
A s
A s
A s
Un it
mA
mA
mA
mA
mA
C/W
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
s
s
s
s
s
s
s
s
s