Automotive Transient Voltage Supressor
Rating and Characteristic Curves (6KA24)
COMCHIP
www.comchiptech.com
(TA = 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
1000
150
Fig. 2 – 10/1000µs Pulse Waveform
I
PPM
Ð Peak Pulse Current, % I
RSM
tr = 10
µ
sec.
T
J
= 25
°
C
Pulse Width (td)
is defined as the point
Peak Value
100
I
PPM
where the peak current
decays to 50% of I
PPM
Non-repetitive Pulse
P
PPM
Ð Peak Pulse Power (kW)
Waveform shown in Fig. 3
T
A
= 25
°
C
100
10
Half Value Ð IPP
I
PPM
50
2
10/1000
µ
sec. Waveform
as defined by R.E.A.
1
td
0
0
1.0
2.0
3.0
4.0
0.1
100ns
1.0
µ
s
10
µ
s
100
µ
s
1.0ms
10ms
100ms
td Ð Pulse Width (sec.)
t Ð Time (ms)
Fig. 3 – Pulse Derating Curve
Peak Pulse Power (P
PP
) or Current (I
PPM
)
I
FSM
Ð Peak Forward Surge Current (A)
100
400
Fig. 4 -- Maximum Non-Repetitive
Peak Forward Surge Current
T
J
= T
J
max.
8.3ms Single Half Sine-Wave
350
(JEDEC Method)
Derating in Percentage, %
80
Peak Power
(Single Pulse)
300
60
Average Power
250
40
200
Lead Length = 0.375" (9.5mm)
20
150
0
100
0
25
50
75
100
125
150
175
1
5
10
50
100
T
A
Ð Ambient Temperature (
°
C)
Number of Cycles at 60 Hz
Fig. 5 – 10µs/50ms Pulse Waveform
150
tr = 10
µ
sec.
T
J
= 25
°
C
Pulse Width (td)
is defined as the point
Peak Value
100
I
PPM
where the peak current
decays to 50% of I
PPM
I
PPM
Ð Peak Pulse Current, % I
PP
Half Value Ð I
PPM
2
50
10
µ
s/50ms Waveform
as defined by R.E.A.
td
0
0
50
100
150
200
t Ð Time (ms)
MDS0305003A
Page 2
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