SA Datasheet, PDF (2/5 Pages) Taiwan Semiconductor Company, Ltd – Transient Voltage Suppressor Diodes

RATINGS AND CHARACTERISTIC CURVES (SA SERIES)
FIG.1- PEAK PULSE POWER RATING CURVE
40
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG.3
10
TA=25⁰C
FIG.2- PULSE DERATING CURVE
100
75
PPK 5^O
IMPULSE
EXPONENTIAL
DECAY
ld
1
HALF SINE
PPK
ld
0.1
0.1ms
ld=7lp
PPK
SQUARE
ld
CURRENT WAVEFORM
1ms
10ms
100ms
tp, PULSE WIDTH, sec.
1,000ms
10,000ms
FIG.3- PULSE WAVEFORM
150
tr=10msec.
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS
PEAK VALUE
to 50% of lPPM
100
lPPM
HALF VALUE- lPPM
2
10/1000msec. WAVEFORM
as DEFINED by R.E.A.
50
50
25
0
0
25
50
75
100
125
150
175 200
TA, AMBIENT TEMPERATURE, ^oC
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT UNIDIRECTIONAL ONLY
200
100
8.3ms Single Half Sine Wave
JEDEC Method
td
0
0
1.0
10
2.0
3.0
4.0
1
10
100
t, TIME, ms
NUMBER OF CYCLES AT 60Hz
FIG.5- STEADY STATE POWER DERATING CURVE
1.6
1.4
1.2
L=0.375"(9.5mm)
1.0 LEAD LENGTHS
0.8
0.6
0.4 _{1.6 X 1.6 X .040"}
(40 X 40 X 1mm.)
0.2 COPPER HEAT SINKS
0
0
25
50
75
100
125
150
175
200
TL, LEAD TEMPERATURE, ^oC
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