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 SIPMOS (R) Power Transistor
BUZ 21L
* N channel * Enhancement mode * Avalanche-rated * Logic Level
Pin 1
Pin 2
Pin 3
G
Type
D
Ordering Code
S
VDS
ID
RDS(on)
Package
BUZ 21 L
100 V
21 A
0.085
TO-220 AB
C67078-S1338-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 11.5 mJ
ID = 21 A, VDD = 25 V, RGS = 25 L = 340 H, Tj = 25 C
Gate source voltage ESD-Sensitivity HBM as per MIL-STD 883 Power dissipation 100
VGS
20
Class 1
V
Ptot
75
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 21L
Electrical Characteristics, at Tj = 25C, unless otherwise specified Parameter Symbol min. Static Characteristics Values typ. max. Unit
Drain- source breakdown voltage
V(BR)DSS
100 -
V
VGS = 0 V, ID = 0.25 mA, Tj = 25 C
Gate threshold voltage
VGS(th)
1.2 1.6 2 A 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)
0.075 0.085
VGS = 5 V, ID = 10.5 A
Data Sheet
2
05.99
BUZ 21L
Electrical Characteristics, at Tj = 25C, unless otherwise specified Parameter Symbol min. Dynamic Characteristics Values typ. max. Unit
Transconductance
gfs
8 14 -
S
VDS 2 * ID * RDS(on)max, ID = 10.5 A
Input capacitance
Ciss
1200 1500
pF
VGS = 0 V, VDS = 25 V, f = 1 MHz
Output capacitance
Coss
320 580
VGS = 0 V, VDS = 25 V, f = 1 MHz
Reverse transfer capacitance
Crss
160 260 ns
VGS = 0 V, VDS = 25 V, f = 1 MHz
Turn-on delay time
td(on)
VDD = 30 V, VGS = 5 V, ID = 3 A RGS = 50
Rise time 25 40
tr
VDD = 30 V, VGS = 5 V, ID = 3 A RGS = 50
Turn-off delay time 110 170
td(off)
VDD = 30 V, VGS = 5 V, ID = 3 A RGS = 50
Fall time 210 270
tf
VDD = 30 V, VGS = 5 V, ID = 3 A RGS = 50
100 130
Data Sheet
3
05.99
BUZ 21L
Electrical Characteristics, at Tj = 25C, 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 1.35 1.7 ns 150 C 0.58 -
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/s
Reverse recovery charge
Qrr
VR = 30 V, IF=lS, diF/dt = 100 A/s
Data Sheet
4
05.99
BUZ 21L
Power dissipation Ptot = (TC)
Drain current ID = (TC) parameter: VGS 5 V
22 A
80
W
Ptot
60
ID
18 16 14 12
50
40 10 30 8 6 4 10 2 0 0 20 40 60 80 100 120 C 160 0 0 20 40 60 80 100 120 C 160
20
TC
TC
Safe operating area ID = (VDS) parameter: D = 0.01, TC = 25C
10 3
Transient thermal impedance Zth JC = (tp) parameter: D = tp / T
10 1
A
K/W
ID
10 2
tp = 22.0s
ZthJC
10 0
/ID =
VD
S
100 s
RD
10 1
o S(
n)
1 ms
10 -1 D = 0.50
10 ms
0.20 0.10
10 0 DC
10 -2
0.05 0.02 0.01 single pulse
10
-1
10
0
10
1
V 10
2
10
-3
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
s 10
0
VDS
tp
Data Sheet
5
05.99
BUZ 21L
Typ. output characteristics ID = (VDS) parameter: tp = 80 s , Tj = 25 C
50 A
Typ. drain-source on-resistance RDS (on) = (ID) parameter: tp = 80 s, Tj = 25 C
0.26
a b c d
Ptot = 75W
lk j i gh f
VGS [V] a 3.0
b 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 8.0 9.0 10.0
0.22
ID
40 35 30 25 20
c e
RDS (on) 0.20
0.18 0.16 0.14 0.12 0.10 0.08 0.06
i k
c 4.5 d 5.0 e f 5.5 6.0 g 6.5 h i 7.0 8.0 j 9.0 k 10.0
c d e f
dg
h i j k l
e g f h j
15 10
b
5
a
0.04 V [V] = GS 0.02 V 7.0 0.00 0
a 3.5 3.0 b 4.0
0 0.0
1.0
2.0
3.0
4.0
5.0
4
8
12
16
20
24
28
32
A
40
VDS
ID
Typ. transfer characteristics ID = f (VGS)
Typ. forward transconductance gfs = f (ID)
parameter: tp = 80 s
parameter: tp = 80 s,
VDS2 x ID x RDS(on)max
60 A 50
ID
VDS2 x ID x RDS(on)max
20 S
gfs
16 14
45 40 35 30 25 20 15
12 10 8 6 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
60
Data Sheet
6
05.99
BUZ 21L
Drain-source on-resistance RDS (on) = (Tj) parameter: ID = 10.5 A, VGS = 5 V
0.28
Gate threshold voltage VGS (th) = (Tj) parameter: VGS = VDS, ID = 1 mA
4.6 V 4.0
0.24
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
98% 98% typ
2.0
typ
1.6
2%
1.2 0.8 0.4 -20 20 60 100 C 160 0.0 -60 -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 = (VSD) parameter: Tj, tp = 80 s
10 2
nF
C
A
IF
10 0
Ciss
10 1
Coss Crss
10 -1
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 21L
Avalanche energy EAS = (Tj) parameter: ID = 21 A, VDD = 25 V RGS = 25 , L = 340 H
110 mJ
Typ. gate charge VGS = (QGate) parameter: ID puls = 32 A
16
V
EAS
90 80 70 60
VGS
12
10 0,2 VDS max 0,8 VDS max
8 50 40 30 20 2 10 0 20 40 60 80 100 120 C 160 0 0 10 20 6
4
30
40
50
60
70
80
nC 100
Tj
QGate
Drain-source breakdown voltage V(BR)DSS = (Tj)
120 V 116
V(BR)DSS 114
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


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