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SMAJ7.5 Datasheet(PDF) 4 Page - Daesan Electronics Corp.

Part No. SMAJ7.5
Description  POWER 400WATTS VOLTAGE 5.0 TO 188 VOLTS
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Maker  DAESAN [Daesan Electronics Corp.]
Homepage  http://www.diodelink.com
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RATINGS AND CHARACTERISTIC CURVES SMAJ5.0 THRU SMAJ188CA
0
25
50
75
100
0
75
25
50
100
125
150
175
200
T A ,
Ambient Temperature ( C )
1
5
10
50
100
tp ,
P ulse Duration (sec)
Fig. 2Ð P uls e Derating C urve
Fig. 1ÐP eak P uls e P ower R ating C ur ve
0.1
1
10
100
0.1μs
1.0μs
1 0μs
td , P ulse Width (sec.)
100μs
1.0ms
10ms
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
F ig. 5ÐT ypical Trans ient T hermal
Impedance
Non-repetitive P ulse
Waveform shown in F ig. 3
T A = 25
oC
F ig. 6 - Maximum Non-R epetitive F orwar d
S urge C urrent Uni-Directional Onl y
Number of C ycles at 60 Hz
10
100
1,000
10,000
10
1
100
200
VWM , R everse S tand-off Voltage (V)
T J = 25
oC
f = 1.0MHz
V sig = 50mV p-p
Measured at
S tand-Off
Voltage, V WM
Uni-Directional
B i-Directional
10
50
100
200
T J = TJ max.
8.3ms S ingle Half S ine-Wave
(J E DE C Method)
Fig. 4Ð Typical J unction C apacitance
1
10
100
1000
0.001
0.01
0.1
1
10
100
1000
0
50
100
150
Fig. 3Ð P uls e Waveform
T J = 25
oC
P ulse Width (td)
is defined as the point
where the peak current
decays to 50% of IPPM
tr = 10μ S
P eak Value
IPPM
Half Value
IP P
IPPM
2
td
10/1000μ S W aveform
as defined by R .E .A.
0
1.0
2.0
3.0
4.0
t ,
Time (ms)
S MAJ 5.0 --
S MAJ 78
S MAJ 85 --
S MAJ 188




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