参数资料
型号: SA20A-B
元件分类: TVS二极管 - 瞬态电压抑制
英文描述: 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-204AC
封装: ROHS COMPLIANT, PLASTIC, DO-15, 2 PIN
文件页数: 3/5页
文件大小: 136K
代理商: SA20A-B
73
2009 Littelfuse, Inc.
Specications are subject to change without notice.
Transient Voltage Suppression Diodes
Revision: January 09, 2009
Axial Leaded – 500W > SA series
SA Series
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
S
A
S
eries
P
PPM
-Peak
Pulse
Power
(KW)
01.μs
1.0μs
10μs
100μs
1.0ms
10ms
0.1
1
10
30
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25C
td- Pulse Width (sec.)
P
Td
Half SINE
Exponential
Square
I PPM
-P
eak
P
ulse
Cur
rent,
%
I
RSM
0
50
100
150
1.0
2.0
3.0
4.0
tr=10μsec
Peak Value
IPPM
2
TJ=25°C
Pulse Width(td) is dened
as the point where the peak
current decays to 50% of IPPM
10/1000μsec. Waveform
as dened by R.E.A
td
t-Time (ms)
Half Value
IPPM
( )
T
A- Ambient Temperature (C)
Peak
Pulse
Power
(P
PP
)or
Current
(I
PP
)
Derating
in
Percentage,
%
0
25
50
75
100
125
150
175 200
1
10
100
1000
10000
1.0
10.0
100.0
1000.0
C
j(p
F
)
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Uni-directional V=0V
Bi-directional V=0V
Uni-directional @ V
R
Bi-directional @ V
R
V
BR - Reverse Breakdown Voltage (V)
0
0.5
1
1.5
2
2.5
3
3.5
0
25
50
75
100
125
150
175
200
S
tead
y
S
tate
P
o
wer
D
is
s
ip
a
ti
o
n
(W
)
T
L - Lead Te mpe ra ture (C)
L = 0.375” (9.5mm)
Lead Lengths
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
Figure 3 - Pulse Waveform
Figure 4 - Typical Junction Capacitance
Figure 5 - Steady State Power Derating Curve
0
10
20
30
40
50
60
70
80
1
10
100
Number of Cycles at 60 Hz
I FSM
-
Peak
Forward
Surge
Current
(A)
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
Ratings and Characteristic Curves (T
A=25°C unless otherwise noted)
相关PDF资料
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SA60A-B 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-204AC
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SA160A-B 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-204AC
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