Stand-off Voltage: 24V
Peak Pulse Power: 6000W (10/1000s)
6KA24
Features
Designed for under the hood applications
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Exclusive patented PAR oxide passivated chip
construction
Low incremental surge resistance
Ideally suited for automotive "load dump"
applications
High temp. soldering guaranteed: 300C/10 seconds,
0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension
Available in unidirectional only
Mechanical data
Case: Molded plastic body over nitride passivated die
Terminals: Axial leads solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes postitive end (cathode)
Weight: 0.07 oz., 2.1 g
Mounting Position: Any
Automotive Transient Voltage Supressor
Automotive Transient Voltage Supressor
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COMCHIP
COMCHIP
MDS0305003A
Page 1
Maximum Ratings and Thermal Characteristics
(T
A
= 25C unless otherwise noted)
Parameter
Symbol
Limit
Unit
Peak pulse power dissipation w/ 10/1000
s waveform
(1)
P
PPM
6000
W
Peak pulse power dissipation w/ 10
s/50ms waveform
(2)
P
PPM
2000
W
Steady state power dissipation
lead lengths 0.375" (9.5mm), T
L
= 85C
(6)
P
M(AV)
6.5
W
Maximum working stand-off voltage
V
WM
24
V
Peak forward surge current, 8.3ms single half sine-wave
(3)
I
FSM
400
A
Operating junction and storage temperature range
T
J
, T
STG
65 to +185
C
Electrical Characteristics
(T
A
= 25C unless otherwise noted)
Maximum DC reverse leakage current
T
A
= 25C
I
D
1.0
A
at V
WM
= 24V
T
A
= 150C
50
Reverse Breakdown Voltage
T
A
= 25C min.
26.7
at 100mA
T
A
= 25C max.
V
(BR)
32.6
V
T
A
= 150C min.
29.7
T
A
= 150C max.
36.7
Maximum clamping voltage
T
A
= 25C
V
C
40
V
at I
PP
= 90A
(4)
T
A
= 150C
45
Maximum instantaneous forward voltage at 100A
(5)
V
F
1.8
V
Notes: (1) Non-repetitive current pulse, per Fig. 2, with a 10/1000
s waveform (4) Measured on 80
s square pulse width
(2) Non-repetitive current pulse, per Fig. 5, with a 10
s/50ms waveform (5) Measured on 300
s second square pulse width
(3) Measured on 8.3ms half sine-wave, or equivalent square wave, (6) Mounted on copper pad area of 1.6 x 1.6"
duty cycle = 4 pulses maximum (40 x 40mm) per Fig. 5
P600
Dimensions in inches and (millimeters)
1.0 (25.4) MIN.
0.340 (8.6)
1.0 (25.4)
0.360 (9.1)
0.340 (8.6)
0.052 (1.32)
0.360 (9.1)
0.048 (1.22)
MIN.
DIA.
Rating and Characteristic Curves (6KA24)
www.comchiptech.com
COMCHIP
COMCHIP
MDS0305003A
Page 2
Automotive Transient Voltage Supressor
Automotive Transient Voltage Supressor
(TA = 25C unless otherwise noted)
0
40
20
60
80
100
0
75
25
50
100
125
150
175
Peak
Pulse
Power
(P
PP
)
or
Current
(I
PPM
)
Derating
in
Percentage,
%
T
A
Ambient Temperature (
C)
1
5
10
50
100
Fig. 3 Pulse Derating Curve
P
PPM
Peak
Pulse
Power
(kW)
Fig. 1 Peak Pulse Power Rating Curve
0.1
1
10
100
1000
100ns
1.0
s
10
s
td Pulse Width (sec.)
100
s
1.0ms
10ms
100ms
Non-repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25
C
Fig. 4 -- Maximum Non-Repetitive
Peak Forward Surge Current
I
FSM
Peak
Forward
Surge
Current
(A)
Number of Cycles at 60 Hz
300
250
200
150
100
400
350
T
J
= T
J
max.
8.3ms Single Half Sine-Wave
(JEDEC Method)
Peak Power
(Single Pulse)
Average Power
Lead Length = 0.375" (9.5mm)
0
50
100
150
Fig. 5 10
s/50ms Pulse Waveform
T
J
= 25
C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
tr = 10
sec.
Peak Value
I
PPM
Half Value I
PPM
2
td
10
s/50ms Waveform
as defined by R.E.A.
0
50
100
150
200
t Time (ms)
I
PPM
Peak
Pulse
Current,
%
I
PP
0
50
100
150
I
PPM
Peak
Pulse
Current,
%
I
RSM
T
J
= 25
C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
tr = 10
sec.
Peak Value
I
PPM
Half Value IPP
I
PPM
2
td
10/1000
sec. Waveform
as defined by R.E.A.
0
1.0
2.0
3.0
4.0
t Time (ms)
Fig. 2 10/1000
s Pulse Waveform
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