BUF420M STMicroelectronics, BUF420M Datasheet - Page 2

• Manufacturer Part Number: BUF420M
• Description: TRANSISTOR NPN SW 450V 30A TO3
• Manufacturer: STMicroelectronics

Specifications of BUF420M

• Transistor Type: NPN
• Current - Collector (ic) (max): 30A
• Voltage - Collector Emitter Breakdown (max): 450V
• Vce Saturation (max) @ Ib, Ic: 500mV @ 4A, 20A
• Power - Max: 275W
• Mounting Type: Chassis Mount
• Package / Case: TO-204, TO-3
• Transistor Polarity: NPN
• Mounting Style: Through Hole
• Collector- Emitter Voltage Vceo Max: 450 V
• Emitter- Base Voltage Vebo: 7 V
• Maximum Dc Collector Current: 30 A
• Power Dissipation: 275 W
• Maximum Operating Temperature: + 200 C
• Continuous Collector Current: 30 A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Collector Cutoff (max): -
• Frequency - Transition: -
• Dc Current Gain (hfe) (min) @ Ic, Vce: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-4086-5

BUF420M
THERMAL DATA
ELECTRICAL CHARACTERISTICS (T
2/8
V
V
V
V
V
Symbol
R
CEO(sus)
CE
CE
CE(sat)
BE(sat)
di
V
V
thj-case
I
I
I
CER
EBO
CEV
CEW
EBO
c
(3 s) Collector-Emitter
(5 s) Collector-Emitter
t
t
t
t
t
t
t
t
t
/dt
s
c
s
c
s
c
f
f
f
Thermal Resistance Junction-Case
Collector Cut-off
Current (R
Collector Cut-off
Current (V
Emitter Cut-off Current
(I
Collector-Emitter
Sustaining Voltage
(I
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 Time
Cross Over Time
INDUCTIVE LOAD
Storage Time
Fall Time
Cross Over Time
Maximum Collector
Emitter Voltage
without Snubber
INDUCTIVE LOAD
Storage Time
Fall Time
Cross Over Time
C
B
C
= 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
I
T
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
B1
C
C
CE
CE
CE
CE
EB
CC
CC
CC
BB
clamp
BB
clamp
BB
BB
clamp
= 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
=125
= 1.5 A
= 1.5 A
= 6 A
= 1.5 A
= 1.5 A
= 1.5 A
= 1.5 A
= 1 A
= 5 V
= - 5 V
= - 5 V
= - 5 V
= 0
= 850 V
= 850 V
= 850 V
= 850 V
= 300 V
= 300 V
= 300 V
case
= 400 V
= 400 V
= 400 V
o
C
= 25
Test Conditions
o
R
I
I
I
I
I
I
I
I
T
T
T
B
B
B
B
B
B
B
B
C unless otherwise specified)
C
C
C
C
T
T
= 1 A
= 1 A
= 4 A
= 4 A
= 1 A
= 1 A
= 4 A
= 4 A
=25
=100
= 0
=100
C
C
L = 25 mH
= 100
= 100
o
C
o
o
T
T
T
T
R
C
C
R
R
R
I
R
I
T
R
I
V
V
V
V
L = 0.25 mH
T
T
T
T
t
B1
B1
B1
C
C
C
C
p
C
BB
C
C
CC
CC
CC
CC
BB
BB
BB
C
C
C
C
=25
=100
=100
o
o
=25
= 3 s
=100
= 60
= 60
= 1 A
= 1 A
= 1 A
C
C
=100
=100
=100
=100
= 0.15
= 50 V
= 0.6
= 50 V
= 0.6
= 50 V
= 0.6
= 50 V
Max
o
o
C
C
o
o
o
C
C
o
o
o
o
C
C
C
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
Unit
C/W
mA
mA
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
s
s
s
s
s
s
s
s
s