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參數(shù)資料
| 型號： | IRF3808S |
| 英文描述： | TRANSISTOR | MOSFET | N-CHANNEL | 75V V(BR)DSS | 106A I(D) | TO-263AB |
| 中文描述： | 晶體管| MOSFET的| N溝道| 75V的五（巴西）直| 106A章一（d）|對263AB |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 161K |
| 代理商： | IRF3808S |
IRF3808S/IRF3808L
www.irf.com
7
Fig 15.
Typical Avalanche Current Vs.Pulsewidth
Fig 16.
Maximum Avalanche Energy
Vs. Temperature
Notes on Repetitive Avalanche Curves , Figures 15, 16:
(For further info, see AN-1005 at www.irf.com)
1. Avalanche failures assumption:
Purely a thermal phenomenon and failure occurs at a
temperature far in excess of T
jmax
. This is validated for
every part type.
2. Safe operation in Avalanche is allowed as long asT
jmax
is
not exceeded.
3. Equation below based on circuit and waveforms shown in
Figures 12a, 12b.
4. P
D (ave)
= Average power dissipation per single
avalanche pulse.
5. BV = Rated breakdown voltage (1.3 factor accounts for
voltage increase during avalanche).
6. I
av
= Allowable avalanche current.
7.
T
=
Allowable rise in junction temperature, not to exceed
T
jmax
(assumed as 25
°
C in Figure 15, 16).
t
av =
Average time in avalanche.
D = Duty cycle in avalanche = t
av
·
f
Z
thJC
(D, t
av
) = Transient thermal resistance, see figure 11)
P
D (ave)
= 1/2 ( 1.3
·
BV
·
I
av
) =
T/ Z
thJC
I
av
=
2
T/ [1.3
·
BV
·
Z
th
]
E
AS (AR)
= P
D (ave)
·
t
av
25
50
75
100
125
150
175
Starting TJ , Junction Temperature (
°
C)
0
100
200
300
400
500
EA
TOP Single Pulse
BOTTOM 10% Duty Cycle
ID = 140A
1.0E-07
1.0E-06
1.0E-05
1.0E-04
1.0E-03
1.0E-02
1.0E-01
tav (sec)
0.1
1
10
100
1000
10000
A
0.05
0.10
Duty Cycle = Single Pulse
Allowed avalanche Current vs
avalanche
pulsewidth,
assuming
Tj = 25
°
C due to
avalanche losses. Note: In no
case should Tj be allowed to
exceed Tjmax
tav
0.01
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| IRF3808STRL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRANSISTOR | MOSFET | N-CHANNEL | 75V V(BR)DSS | 106A I(D) | TO-262 |
| IRF3808STRLPBF | 功能描述:MOSFET MOSFT 75V 105A 7mOhm 150nC RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導(dǎo)通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
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