SIPMOS ® Power Transistor
BUZ 21
• N channel • Enhancement mode • Avalanche-rated
Pin 1
Pin 2
Pin 3
G
D
S
Type
VDS
ID
RDS(on)
Package
Ordering Code
BUZ 21
100 V
21 A
0.085 Ω
TO-220 AB
C67078-S1308-A2
Maximum Ratings Parameter Symbol Values Unit
Continuous drain current
ID
21
A
TC = 25 ˚C
Pulsed drain current
IDpuls
84
TC = 25 ˚C
Avalanche current,limited by Tjmax Avalanche energy,periodic limited by Tjmax Avalanche energy, single pulse
IAR EAR EAS
21 11 mJ
ID = 21 A, VDD = 25 V, RGS = 25 Ω L = 340 µH, Tj = 25 ˚C
Gate source voltage Power dissipation 100
VGS Ptot
± 20
75
V W
TC = 25 ˚C
Operating temperature Storage temperature Thermal resistance, chip case Thermal resistance, chip to ambient DIN humidity category, DIN 40 040 IEC climatic category, DIN IEC 68-1
Tj Tstg RthJC RthJA
-55 ... + 150 -55 ... + 150
˚C
≤ 1.67
75 E 55 / 150 / 56
K/W
Data Sheet
1
05.99
BUZ 21
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified
Parameter
Symbol min.
Values typ. max.
Unit
Static Characteristics
Drain- source breakdown voltage
V(BR)DSS
100 -
V
VGS = 0 V, ID = 0.25 mA, Tj = 25 ˚C
Gate threshold voltage
VGS(th)
2.1 3 4 µA 0.1 10 1 100 nA 10 100
VGS=VDS, ID = 1 mA
Zero gate voltage drain current
IDSS
VDS = 100 V, VGS = 0 V, Tj = 25 ˚C VDS = 100 V, VGS = 0 V, Tj = 125 ˚C
Gate-source leakage current
IGSS
VGS = 20 V, VDS = 0 V
Drain-Source on-resistance
RDS(on)
0.065 0.085
Ω
VGS = 10 V, ID = 13 A
Data Sheet
2
05.99
BUZ 21
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified Parameter Symbol min. Dynamic Characteristics Values typ. max. Unit
Transconductance
gfs
8 11 -
S
VDS≥ 2 * ID * RDS(on)max, ID = 13 A
Input capacitance
Ciss
1000 1300
pF
VGS = 0 V, VDS = 25 V, f = 1 MHz
Output capacitance
Coss
300 530
VGS = 0 V, VDS = 25 V, f = 1 MHz
Reverse transfer capacitance
Crss
150 240 ns
VGS = 0 V, VDS = 25 V, f = 1 MHz
Turn-on delay time
td(on)
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Rise time 25 40
tr
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Turn-off delay time 50 75
td(off)
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Fall time 160 210
tf
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
80 110
Data Sheet
3
05.99
BUZ 21
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified Parameter Symbol min. Reverse Diode Values typ. max. Unit
Inverse diode continuous forward current
IS
21
A
TC = 25 ˚C
Inverse diode direct current,pulsed
ISM
84 V 1.3 1.7 ns 150 µC 0.48 -
TC = 25 ˚C
Inverse diode forward voltage
VSD
VGS = 0 V, IF = 42 A
Reverse recovery time
trr
VR = 30 V, IF=lS, diF/dt = 100 A/µs
Reverse recovery charge
Qrr
VR = 30 V, IF=lS, diF/dt = 100 A/µs
Data Sheet
4
05.99
BUZ 21
Power dissipation Ptot = ƒ(TC)
Drain current ID = ƒ(TC) parameter: VGS ≥ 10 V
22 A
80
W
Ptot
ID
60
18 16 14 12
50
40 10 30 8 6 20 4 10 0 0 2 0 0 20 40 60 80 100 120 ˚C 160
20
40
60
80
100
120
˚C
160
TC
TC
Safe operating area ID = ƒ(VDS) parameter: D = 0.01, TC = 25˚C
10 3
Transient thermal impedance Zth JC = ƒ(tp) parameter: D = tp / T
10 1
A
K/W
ID
10 2
tp = 22.0µs
ZthJC
10 0
/ID =
VD
S
100 µs
RD
10
1
o S(
n)
1 ms
1 0 -1 D = 0.50
10 ms
0.20 0.10
10 0 DC
1 0 -2
0.05 0.02 0.01 single pulse
10 -1 0 10
10
1
V 10
2
10 -3 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
s 10
0
VDS
tp
Data Sheet
5
05.99
BUZ 21
Typ. output characteristics ID = ƒ(VDS) parameter: tp = 80 µs
50 A
Typ. drain-source on-resistance RDS (on) = ƒ(ID) parameter: tp = 80 µs, Tj = 25 ˚C
0.26
a b c d e
Ptot = 75W l
kj i h
VGS [V] a 4.0
Ω
0.22
ID
40
g
b c d
4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 9.0 10.0 20.0
RDS (on) 0.20
0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 V [V] = GS 0.02
a 5.0 4.5 4.0 b 5.5 c 6.0 d 6.5 e f 7.0 7.5 g 8.0 h i j 9.0 10.0 20.0
35 30
f
e f g
25
e
h i j
f g h i j
20 15 10 5 0 0
a c b d
k l
1
2
3
4
5
6
7
V
9
0.00 0
5
10
15
20
25
30
35
A
45
VDS
ID
Typ. transfer characteristics ID = f (VGS)
Typ. forward transconductance gfs = f (ID)
parameter: tp = 80 µs
parameter: tp = 80 µs,
VDS≥2 x ID x RDS(on)max
60 A 50
ID
VDS≥2 x ID x RDS(on)max
20 S
gfs
16 14
45 40 35 30 25 20
12 10 8 6
15 4 10 5 0 0 1 2 3 4 5 6 7 8 V
VGS
2 0 0
10
10
20
30
40
A
ID
55
Data Sheet
6
05.99
BUZ 21
Drain-source on-resistance RDS (on) = ƒ(Tj) parameter: ID = 13 A, VGS = 10 V
0.28
Gate threshold voltage VGS (th) = ƒ(Tj) parameter: VGS = VDS, ID = 1 mA
4.6 V 4.0
Ω
0.24
98%
RDS (on)0.22
0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0.00 -60
VGS(th)
3.6 3.2 2.8 2.4
typ
2%
98% typ
2.0 1.6 1.2 0.8 0.4 0.0 -60 -20 20 60 100 ˚C 160
-20
20
60
100
˚C
160
Tj
Tj
Typ. capacitances
C = f (VDS)
parameter:VGS = 0V, f = 1MHz
10 1
Forward characteristics of reverse diode IF = ƒ(VSD) parameter: Tj, tp = 80 µs
10 2
nF
C
A
IF
10 0
Ciss
10 1
Coss
1 0 -1
Crss
10 0
Tj = 25 ˚C typ Tj = 150 ˚C typ Tj = 25 ˚C (98%) Tj = 150 ˚C (98%)
10 -2 0 10 -1 0.0
5
10
15
20
25
30
V
VDS
40
0.4
0.8
1.2
1.6
2.0
2.4
V
3.0
VSD
Data Sheet
7
05.99
BUZ 21
Avalanche energy EAS = ƒ(Tj) parameter: ID = 21 A, VDD = 25 V RGS = 25 Ω, L = 340 µH
110 mJ
Typ. gate charge VGS = ƒ(QGate) parameter: ID puls = 36 A
16
V
EAS
90 80 70 60
VGS
12 0,2 VDS max 0,8 VDS max
10
8 50 40 30 20 2 10 0 20 40 60 80 100 120 ˚C 160 0 0 10 20 30 40 50 nC 70 6
4
Tj
QGate
Drain-source breakdown voltage V(BR)DSS = ƒ(Tj)
120 V 116
V(BR)DSS 14 1
112 110 108 106 104 102 100 98 96 94 92 90 -60
-20
20
60
100
˚C
160
Tj
Data Sheet
8
05.99