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參數(shù)資料
| 型號： | SA20CA |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | Silicon Avalanche Diodes - 500 Watt Axial Leaded Transient Voltage Suppressors |
| 中文描述： | 硅雪崩二極管- 500瓦特軸向引線型瞬態(tài)電壓抑制器 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 126K |
| 代理商： | SA20CA |
Silicon Avalanche Diodes
288
www.littelfuse.com
500 Watt Axial Leaded Transient Voltage Suppressors
Fig. 1 Peak Pulse Power Rating Curve
P
0.1s
1.0s
10s
100s
1.0ms
10ms
0.1
1
10
30
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25
C
td- Pulse Width (sec.)
Fig. 2 Pulse Derating Curve
TA- Ambient Temperature (
C)
P
D
0
0
25
25
50
50
75
75
100
100
125 150 175 200
Fig. 3 Pulse Waveform
I
0
0
50
100
150
1.0
2.0
3.0
4.0
tr=10μsec
Peak Value
IPPM
Half Value IPPM
2
C
TJ=25
as the point where the peak
current decays to 50% of IPPM
10/1000μsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Only
I
1
10
100
200
10
100
Number of Cycles at 60Hz
8.3 Single Half Sine-Wave
(JEDEC Method)
Undirectional Only
Fig. 4- Typical Junction Capacitance
C
6000
1000
100
10
5
100
500
VWM-Reverse Stand-Off Voltage (V)
VR=Rated
Stand-Off Voltage
TJ=25
C
f=1MHZ
Vsig=50mVp-p
Uni-Directional
Bi-Directional
VR=
Fig. 5 Steady State Power
Derating Curve
T1- Lead Temperature (
C)
S
0
0
25
1.0
50
2.0
75
3.0
100
4.0
125 150 175 200
L=0.375"(9.5mm)
Lead Lengths
1.6x1.6x.040
(40x40x1mm)
Copper Heat Sinks
P
P
P
Td
Td
Td
Half SINE
Exponential
Square
SA Series
RoHS
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