參數資料
型號： P4SMAJ51
元件分類： 參考電壓二極管
英文描述： 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC
封裝： PLASTIC, SMA, 2 PIN
文件頁數： 4/4頁
文件大小： 125K
代理商： P4SMAJ51
PAGE . 4
STAD-SEP.12.2004
Fig.1 PEAK PULSE POWER RATING CURVE
Fig.2 DERATING CURVE
Fig.3 PULSE WAVEFORM
Fig.5 MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
Fig.4 TYPICAL JUNCTION CAPACITANCE
td,PULSE WIDTH, micro sec
T,TIME,ms
NUMBEROFCYCLESAT60Hz
T ,AMBIENT TEMPERATURE, C
A
O
0.1
1.0
Non-Repetitve
Pulse Wavefom
Shown in Figure.3
T= 25 C
A
O
Mounted on 5.0mm
Copper Land Areas
1.0
10
100
1000
10000
P
,PEAK
PULSE
F
OR
W
ARD,KW
PPM
I
,PEAK
PULSE
CURRENT
,%
PPM
I
,PEAK
FOR
W
ARD
SURGE
CURRENT
,
AMPERES
FSM
PEAK
PULSE
F
OR
W
ARD
(P
)OR
CURRENT
(I
)
DERA
TING
IN
PERCENT
AGE
%
PP
100
75
50
25
0
125
150
175
200
25
50
75
100
0
1.0
2.0
3.0
4.0
0
50
100
150
10/1000 u se c Wa ve fo rm
as De fine d b ye R.E.A.
Ha lf Va lue -Ip p
2
e-kt
td
T= 25 C
Pulse Width (td) is Defined
as the Point where the Peak
Current Decayst to 50% of Ipp
A
O
tf = 10usec
Peak Value
Ippm
C
J
,C
A
P
A
C
IT
A
N
C
E
,p
F
1.0
2.0
5.0
10
20
50 100
200
Me a sure d a t
Ze ro Bia s
Tj= 25 C
O
f= 1.0MHZ
Vsig = 50mVp -p
10,000
1,000
100
10
V(
), REVERSE STAND-OFF VOLTAGE, VOLTS
RWM
Me a sure d a t
Sta nd -Off
Vo lta ge (V
)
RWM
50
40
30
20
10
2
4
10
20
40
100
0
1
T= Tm a x
8.3m s Sing le Ha lf SinepWave
JEDEC M e tho d
JJ
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