参数资料
型号: MUR840
厂商: ON Semiconductor
文件页数: 4/8页
文件大小: 137K
描述: DIODE ULTRA FAST 8A 400V TO220AC
产品变化通告: Product Obsolescence 19/Jun/2009
标准包装: 50
系列: SWITCHMODE™
二极管类型: 标准
电压 - (Vr)(最大): 400V
电流 - 平均整流 (Io): 8A
电压 - 在 If 时为正向 (Vf)(最大): 1.3V @ 8A
速度: 快速恢复 =< 500 ns,> 200mA(Io)
反向恢复时间(trr): 60ns
电流 - 在 Vr 时反向漏电: 10µA @ 400V
安装类型: 通孔
封装/外壳: TO-220-2
供应商设备封装: TO-220-2
包装: 管件
其它名称: MUR840OS
MUR805G, MUR810G, MUR815G, MUR820G, MUR840G, MUR860G, MURF860G,
SUR8820G, SUR8840G
http://onsemi.com
4
MUR840G, SUR8840G
Figure 6. Typical Forward Voltage
vF,
INSTANTANEOUS VOLTAGE (VOLTS)
0.6 1.00.8 1.2 1.6
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
0 15050 200 500100 250 300
350
400
450
1000
0.1
0.01
10
100
TJ
= 175
°C
I
R
Figure 7. Typical Reverse Current*
TA, AMBIENT TEMPERATURE (°C)
0
12
2.0
6.0
4.0
14
I
F(AV)
0
20 40 60 80 200100 120 140 160 180
TC, CASE TEMPERATURE (°C)
140 150
0
2.0
1.0
3.0
5.0
4.0
I
180
Figure 8. Current Derating, Case
Figure 9. Current Derating, Ambient
0
1.0
6.0
10
0
1.0 2.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 10. Power Dissipation
0.4
0.7
10
70
1.4
100°C
TJ= 175°C
25°C
1.0
, REVERSE CURRENT ( A)
100°C
25°C
170
160
* The curves shown are typical for the highest voltage device in the
grouping. Typical reverse current for lower voltage selections can be
estimated from these same curves if VR
is sufficiently below rated V
R.
P
, AVERAGE FORWARD CURRENT (AMPS)
TJ
= 175
°C
i
, AVERAGE FORWARD CURRENT (AMPS)
F(AV)
3.0 4.0 105.0 6.0 7.0 8.0 9.0
5.0
2.0
RATED VR
APPLIED
dc
SQUARE WAVE
SQUARE WAVE
8.0
10
dc
, AVERAGE POWER DISSIPATION (WATTS)
F(AV)
3.0
4.0
9.0
8.0
7.0
7.0
6.0
8.0
10
9.0
SQUARE WAVE
dc
SQUARE WAVE
dc
RJA
= 16
°C/W
RJA
= 60
°C/W
(NO HEAT SINK)
150°C
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