Semiconductor Group
1
07/96
BUZ 171
SIPMOS
Power Transistor
P channel
Enhancement mode
Avalanche rated
Pin 1
Pin 2
Pin 3
G
D
S
Type
V
DS
I
D
R
DS(on)
Package
Ordering Code
BUZ 171
-50 V
-8 A
0.3
TO-220 AB
C67078-S1450-A2
Maximum Ratings
Parameter
Symbol
Values
Unit
Continuous drain current
T
C
= 30 C
I
D
-8
A
Pulsed drain current
T
C
= 25 C
I
Dpuls
-32
Avalanche energy, single pulse
I
D
= -8 A,
V
DD
= -25 V,
R
GS
= 25
L = 1.1 mH, T
j
= 25 C
E
AS
70
mJ
Gate source voltage
V
GS
20
V
Power dissipation
T
C
= 25 C
P
tot
40
W
Operating temperature
T
j
-55 ... + 150
C
Storage temperature
T
stg
-55 ... + 150
Thermal resistance, chip case
R
thJC
3.1
K/W
Thermal resistance, chip to ambient
R
thJA
75
DIN humidity category, DIN 40 040
E
IEC climatic category, DIN IEC 68-1
55 / 150 / 56
Semiconductor Group
2
07/96
BUZ 171
Electrical Characteristics, at
T
j
= 25C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
Static Characteristics
Drain- source breakdown voltage
V
GS
= 0 V,
I
D
= -0.25 mA,
T
j
= 25 C
V
(BR)DSS
-50
-
-
V
Gate threshold voltage
V
GS=
V
DS,
I
D
= 1 mA
V
GS(th)
-2.1
-3
-4
Zero gate voltage drain current
V
DS
= -50 V,
V
GS
= 0 V,
T
j
= 25 C
V
DS
= -50 V,
V
GS
= 0 V,
T
j
= 125 C
I
DSS
-
-
-10
-0.1
-100
-1
A
Gate-source leakage current
V
GS
= -20 V,
V
DS
= 0 V
I
GSS
-
-10
-100
nA
Drain-Source on-resistance
V
GS
= -10 V,
I
D
= -5 A
R
DS(on)
-
0.25
0.3
Semiconductor Group
3
07/96
BUZ 171
Electrical Characteristics, at
T
j
= 25C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
Dynamic Characteristics
Transconductance
V
DS
2
*
I
D *
R
DS(on)max,
I
D
= -5 A
g
fs
1.5
2.3
-
S
Input capacitance
V
GS
= 0 V,
V
DS
= -25 V,
f = 1 MHz
C
iss
-
750
1000
pF
Output capacitance
V
GS
= 0 V,
V
DS
= -25 V,
f = 1 MHz
C
oss
-
270
400
Reverse transfer capacitance
V
GS
= 0 V,
V
DS
= -25 V,
f = 1 MHz
C
rss
-
120
180
Turn-on delay time
V
DD
= -30 V,
V
GS
= -10 V,
I
D
= -2.9 A
R
GS
= 50
t
d(on)
-
20
30
ns
Rise time
V
DD
= -30 V,
V
GS
= -10 V,
I
D
= -2.9 A
R
GS
= 50
t
r
-
110
170
Turn-off delay time
V
DD
= -30 V,
V
GS
= -10 V,
I
D
= -2.9 A
R
GS
= 50
t
d(off)
-
70
90
Fall time
V
DD
= -30 V,
V
GS
= -10 V,
I
D
= -2.9 A
R
GS
= 50
t
f
-
100
140
Semiconductor Group
4
07/96
BUZ 171
Electrical Characteristics, at
T
j
= 25C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
Reverse Diode
Inverse diode continuous forward current
T
C
= 25 C
I
S
-
-
-8
A
Inverse diode direct current,pulsed
T
C
= 25 C
I
SM
-
-
-32
Inverse diode forward voltage
V
GS
= 0 V,
I
F
= -16 A
V
SD
-
-1.25
-1.7
V
Reverse recovery time
V
R
= -30 V,
I
F=
l
S,
d
i
F
/d
t = 100 A/s
t
rr
-
90
-
ns
Reverse recovery charge
V
R
= -30 V,
I
F=
l
S,
d
i
F
/d
t = 100 A/s
Q
rr
-
0.23
-
C
5
07/96
Semiconductor Group
BUZ 171
Power dissipation
P
tot
=
(
T
C
)
0
20
40
60
80
100
120
C
160
T
C
0
5
10
15
20
25
30
35
W
45
P
tot
Drain current
I
D
=
(
T
C
)
parameter:
V
GS
-10 V
0
20
40
60
80
100
120
C
160
T
C
0
-1
-2
-3
-4
-5
-6
-7
A
-9
I
D
Safe operating area
I
D
=
(
V
DS
)
parameter:
D = 0.01, T
C
= 25C
-1
-10
0
-10
1
-10
2
-10
A
I
D
-10
0
-10
1
-10
2
V
V
DS
R
DS(on)
=
V
DS
/
I
D
DC
10 ms
1 ms
100 s
t
p
= 90.0s
Transient thermal impedance
Z
th JC
=
(
t
p
)
parameter:
D = t
p
/
T
-3
10
-2
10
-1
10
0
10
1
10
K/W
Z
thJC
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
s
t
p
single pulse
0.01
0.02
0.05
0.10
0.20
D = 0.50
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