参数资料
型号: 1.5KE480B
元件分类: TVS二极管 - 瞬态电压抑制
英文描述: 1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-201
封装: ROHS COMPLIANT, PLASTIC PACKAGE-2
文件页数: 3/4页
文件大小: 123K
代理商: 1.5KE480B
Silicon Avalanche Diodes
296
www .littelfuse .com
1500 Watt Axial Leaded Transient Voltage Suppressors
Fig. 1 Peak Pulse Power Rating Curve
Fig. 2 Pulse Derating Curve
Fig. 3 Pulse Waveform
I PPM
-Peak
Pulse
Current,
%
I
RSM
0
50
100
150
1.0
2.0
3.0
4.0
tr=10sec
Peak Value
IPPM
Half Value IPPM
2
TJ=25C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000sec. Waveform
as defined by R.E.A
td
t-Time (ms)
Fig. 4- Typical Junction Capacitance
C
J
-Capacitance(pF)
510
10
100
1000
10000
100
500
VWM-Reverse Stand-Off Voltage (V)
Fig. 6- Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
I FSM
-Peak
Forward
Surge
Current
(A)
200
100
10
1
10
100
Number of Cylces at 60HZ
8.3 Single Half Sine Wave
(JEDEC Method) TJ=TJmax
Fig. 5 Steady State Power
Derating Curve
TL- Lead Temperature (C)
Steady
State
Power
Dissipation
(W)
0
25
1.0
50
2.0
75
3.0
100
4.0
5.0
6.0
7.0
8.0
125 150 175 200
L=0.375(9.5mm)
Lead Lengths
1.6x1.6x.040"
(40x40x1mm)
Copper Heat Sinks
P
PPM
-Peak
Pulse
Power
(kW)
0.1s
1.0s
10s
100s
1.0ms
10ms
0.1
1
10
100
td- Pulse Width (sec.)
TA- Ambient Temperature (C)
Peak
Pulse
Power
(P
PP
)or
Current
(I
PP
)
Derating
in
Percentage,
%
0
25
50
75
100
125 150 175 200
60Hz
Resistive or
Inductive Load
Unidirectional
Bidirectional
VR=Rated
Stand-off Voltage
f=1MHz
Vsig=50mVp-p
TJ=25C
VR=0
Ratings and Characteristic Curves TA=25C unless otherwise noted
1.5KE Series
RoHS
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