R
SIYU
1.5KE6.8 ...... 1.5KE440A
图1 峰值脉冲功率定额曲线
图2 脉冲降额曲线
100
100
Non-repetitive pulse
Waveform shown in Fig.3
TA = 25℃
75
50
25
0
10
1
0.1
0.1us
1.0us
10us
100us
1.0ms
10ms
0
25
50
75
100
125
℃
150
175
200
脉冲宽度（sec）
环境温度
图3 脉冲波形
图4 单向典型结电容
150
6,000
1,000
tr = 10usec.
T =25℃
J
TJ = 25
℃
Measured at
Zero Bias
f=1.0MH
Vsig=50
Pulse Width (td)is defined
as the point where the
peak current decays to
50% of IPPM
Z
m
V
P-P
Peak Value
IPPM
100
50
0
Half Value --IPPM
-----
2
Measured at
100
10
Stand-Off
Voltage,V
10/1000 usec.Waveform
as defined by R.E.A
WM
td
0
1.0
2.0
t -- 时间（ms）
3.0
4.0
1.0
10
100
200
V(BR) -- 转折电压(V)
图5 稳态功率降额曲线
图6 最大步重复浪涌电流
5.0
3.75
2.5
200
100
50
Uni-Directional Only
T =T max.
J J
L=0.375m(9.5mm)
Lead Lengths
60 HZ Resistive or
Inductive Load
8.3ms Single Half Sine-Wave
(JEDEC Method)
1.6×1.6×.040"
(40×40×1mm)
Copper Heat sinks
1.25
10
0
0
25
50
75
100
125
150
175
200
1
5
10
50
100
TL -- 引线温度（℃）
周波数（60Hz）
图7 典型反向泄漏特性
图8 典型瞬态热阻
100
10
1
100
10
Measurde at Devices
Stand-off Voltage,V
TA = 25℃
WM
1
0.1
0.1
0.001
0.01
0
100
200
300
400
500
600
0.01
0.1
1
10
100
1000
V(BR) -- 转折电压(V)
tp - 脉冲持续时间(sec)
大昌电子 DACHANG ELECTRONICS
DACHANG [ RUGAO DACHANG ELECTRONICS CO., LTD ]
