1.5KA6.8 Datasheet, PDF (4/4 Pages) Vishay Siliconix – Automotive Transient Voltage Suppressors

RATINGS AND CHARACTERISTIC CURVES 1.5KA6.8 THRU 1.5KA43A
100
10
FIG. 1 - PEAK PULSE POWER RATING CURVE
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
TA=25°C
FIG. 2 - PULSE DERATING CURVE
100
75
1.0
0.1
0.1µs
1.0µs
10µs
100µs
td, PULSE WIDTH, sec.
1.0ms
10ms
150
100
50
FIG. 3 - PULSE WAVEFORM
tr=10µsec.
PEAK VALUE
IPPM
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS to 50% of IPP
HALF VALUE - IPP
2
10/1000µsec. WAVEFORM
as DEFINED by R.E.A.
50
25
0
0 25 50 75 100 125 150 175 200
TA, AMBIENT TEMPERATURE, °C
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
20,000
10,000
TJ=25°C
f=1.0 MHZ
VSIG=50mVP-P
MEASURED at
ZERO BIAS
1,000
MEASURED at
STAND-OFF
VOLTAGE, VWM
td
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
5.0
3.75
FIG. 5 - STEADY STATE POWER DERATING
CURVE
L =0.375” (9.5mm)
LEAD LENGTHS
60 HZ
RESISTIVE OR
INDUCTIVE LOAD
2.5
1.25
0.8 x 0.8 x 0.040"
(20 x 20 x 1mm)
COPPER HEAT SINKS
0
0 25 50 75 100 125 150 175 200
TL, LEAD TEMPERATURE,°C
100
1.0
2
10 20
50 100
V(BR), BREAKDOWN VOLTAGE, VOLTS
200
100
FIG. 6 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
TL=75°C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
50
10
1
10
100
NUMBER OF CYCLES AT 60 HZ