SA64A-B View Datasheet(PDF) - Littelfuse, Inc
Part Name
Description
Manufacturer
SA64A-B Datasheet PDF : 4 Pages
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Silicon Avalanche Diodes
500 Watt Axial Leaded Transient Voltage Suppressors
RoHS SA Series
®
30
Non-repetitive Pulse
100
Waveform Shown in Fig. 3
TA=25˚C
10
75
Exponential
1 P Td
P Td
Half SINE
P Td
Square
0.1
0.1s
1.0s 10s
100s 1.0ms
td- Pulse Width (sec.)
10ms
Fig. 1 Peak Pulse Power Rating Curve
150
100
tr=10µsec
Peak Value
IPPM
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value IPPM
2
50
10/1000µsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
t-Time (ms)
Fig. 3 Pulse Waveform
4.0
3.0
2.0
L=0.375"(9.5mm)
Lead Lengths
50
25
0
0
6000
1000
25 50 75 100 125 150 175 200
TA- Ambient Temperature (˚C)
Fig. 2 Pulse Derating Curve
Uni-Directional
Bi-Directional
VR=
TJ=25˚C
f=1MHZ
Vsig=50mVp-p
100
VR=Rated
Stand-Off Voltage
10
5
100
500
VWM-Reverse Stand-Off Voltage (V)
Fig. 4- Typical Junction Capacitance
200
100
8.3 Single Half Sine-Wave
(JEDEC Method)
Undirectional Only
1.0
1.6x1.6x.040
(40x40x1mm)
0
Copper Heat Sinks
0 25 50 75 100 125 150 175 200
T1- Lead Temperature (˚C)
Fig. 5 Steady State Power
Derating Curve
10
1
10
100
Number of Cycles at 60Hz
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Only
288
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