1.5KA6.8 thru 1.5KA43A
Automotive Transient Voltage Suppressors
Case Style 1.5KA
d*
Features
nte
te
Pa
Breakdown Voltage
6.8 to 43V
Peak Pulse Power
1500W
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
• Designed for under the hood applications
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• 1500W peak pulse power surge capability with a
10/1000ms waveform, repetition rate (duty cycle):
0.01%
• Exclusive patented PAR
®
oxide passivated chip
construction
• Excellent clamping capability
• Low incremental surge resistance
• Fast response time
• For devices with V
(BR)
D10V I
D
are typically less
than 1.0mA at T
A
= 150°C
• High temperature soldering guaranteed:
300°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
1.0 (25.4)
MIN.
0.042 (1.07)
0.038 (0.96)
DIA.
Mechanical Data
Case:
Molded plastic over passivated junction
Terminals:
Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
For unidirectional types the color band
denotes the cathode, which is positive with respect
to the anode under normal TVS operation
Mounting Position:
Any
Weight:
0.045oz., 1.2g
Packaging codes/options:
1/1.5K per Bulk Box, 15K/box
4/1.4K per 13” Reel (52mm Tape), 5.6K/box
23/1K per Ammo Box (52mm Tape), 9K/box
A
Available in uni-directional only
Dimensions in inches and (millimeters)
*
Patent #’s
4,980,315
5,166,769
5,278,094
Maximum Ratings and Thermal Characteristics
(T
Parameter
Peak pulse power dissipation
with a 10/1000µs waveform
(1)
(Fig. 1)
Peak pulse current at T
A
= 25°C
with a 10/1000µs waveform
(1)
(Fig. 3)
Steady state power dissipation at T
L
= 75°C
lead lengths 0.375” (9.5mm)
(2)
Peak forward surge current, 8.3ms single half sine-wave
(3)
Maximum instantaneous forward voltage at 100A
(3)
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
P
M(AV)
I
FSM
V
F
T
J
, T
STG
= 25°C unless otherwise noted)
Limit
Minimum 1500
See Next Table
5.0
200
3.5
– 65 to +185
Unit
W
A
W
A
V
°C
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25°C per Fig. 2
(2) Mounted on copper pad area of 1.6 x 1.6” (40 x 40mm) per Fig. 5
(3) 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minutes maximum
12/18/00
1.5KA6.8 thru 1.5KA43A
Automotive Transient Voltage Suppressors
Electrical Characteristics
(T
Breakdown Voltage
V
(BR)
(1)
at I
T
(V)
Device Type
Min
Max
A
= 25°C unless otherwise noted)
Test
Current
I
T
(mA)
Stand-off
Voltage
V
WM
(Volts)
Maximum
Reverse
Leakage
at V
WM
I
D
(µA)
T
J
=150°C
Maximum
Reverse
Leakage
at V
WM
I
D
(µA)
Peak Pulse
Current
I
PPM
(Note 2)
(Amps)
Maximum
Clamping
Voltage
at l
PPM
V
C
(Volts)
Maximum
Temp.
Coefficient
of
V
(BR)
(% /
°C)
1.5KA6.8
1.5KA6.8A
1.5KA7.5
1.5KA7.5A
1.5KA8.2
1.5KA8.2A
1.5KA9.1
1.5KA9.1A
1.5KA10
1.5KA10A
1.5KA11
1.5KA11A
1.5KA12
1.5KA12A
1.5KA13
1.5KA13A
1.5KA15
1.5KA15A
1.5KA16
1.5KA16A
1.5KA18
1.5KA18A
1.5KA20
1.5KA20A
1.5KA22
1.5KA22A
1.5KA24
1.5KA24A
1.5KA27
1.5KA27A
1.5KA30
1.5KA30A
1.5KA33
1.5KA33A
1.5KA36
1.5KA36A
1.5KA39
1.5KA39A
1.5KA43
1.5KA43A
6.12
6.45
6.75
7.13
7.38
7.79
8.19
8.65
9.00
9.50
9.90
10.5
10.8
11.4
11.7
12.4
13.5
14.3
14.4
15.2
16.2
17.1
18.0
19.0
19.8
20.9
21.6
22.8
24.3
25.7
27.0
28.5
29.7
31.4
32.4
34.2
35.1
37.1
38.7
40.9
7.48
7.14
8.25
7.88
9.02
8.61
10.0
9.55
11.0
10.5
12.1
11.6
13.2
12.6
14.3
13.7
16.3
15.8
17.6
16.8
19.8
18.9
22.0
21.0
24.2
23.1
26.4
25.2
29.7
28.4
33.0
31.5
36.3
34.7
39.6
37.8
42.9
41.0
47.3
45.2
10
10
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.50
5.80
6.05
6.40
6.63
7.02
7.37
7.78
8.10
8.55
8.92
9.40
9.72
10.2
10.5
11.1
12.1
12.8
12.9
13.6
14.5
15.3
16.2
17.1
17.8
18.8
19.4
20.5
21.8
23.1
24.3
25.6
26.8
28.2
29.1
30.8
31.6
33.3
34.8
36.8
1000
1000
500
500
200
200
50
50
20
20
5.0
5.0
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
10000
10000
5000
5000
2000
2000
500
500
200
200
50
50
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
139
143
128
133
120
124
109
112
100
103
92.6
96.2
86.7
89.8
78.9
82.4
68.2
70.8
63.8
66.7
56.6
59.5
51.5
54.2
47.0
49.0
43.2
45.2
38.4
40.0
34.5
36.2
31.4
32.8
28.8
30.1
26.6
27.8
24.2
25.3
10.8
10.5
11.7
11.3
12.5
12.1
13.8
13.4
15.0
14.5
16.2
15.6
17.3
16.7
19.0
18.2
22.0
21.2
23.5
22.5
26.5
25.2
29.1
27.7
31.9
30.6
34.7
33.2
39.1
37.5
43.5
41.4
47.7
45.7
52.0
49.9
56.4
53.9
61.9
59.3
0.057
0.057
0.061
0.061
0.065
0.065
0.068
0.068
0.073
0.073
0.075
0.076
0.076
0.078
0.081
0.081
0.084
0.084
0.086
0.086
0.088
0.088
0.090
0.090
0.092
0.092
0.094
0.094
0.096
0.096
0.097
0.097
0.098
0.098
0.099
0.099
0.100
0.100
0.101
0.101
Notes:
(1) V
(BR)
measured after I
T
applied for 300µs = square wave pulse or equivalent
(2) Surge current waveform per Fig. 3 and derate per Fig. 2
(3) All terms and symbols are consistent with ANSI/IEEE C62.35
1.5KA6.8 thru 1.5KA43A
Automotive Transient Voltage Suppressors
Ratings and
Characteristic Curves
(T
100
A
= 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
P
PPM
— Peak Pulse Power (kW)
Non-repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25°C
10
Fig. 2 – Pulse Derating Curve
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
100
75
50
1.0
25
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
0
0
25
50
75
100
125
150
175
200
td — Pulse Width (sec.)
T
A
— Ambient Temperature (°C)
Fig. 3 – Pulse Waveform
150
20,000
tr = 10µsec.
Peak Value
I
PPM
Fig. 4 – Typical Junction Capacitance
Unidirectional
10,000
T
J
= 25°C
f = 1.0MHz
Vsig = 50mVp-p
Measured at
Zero Bias
I
PPM
— Peak Pulse Current, % I
RSM
100
Half Value — IPP
2
I
PPM
50
10/1000µsec. Waveform
as defined by R.E.A.
C
J
— Junction Capacitance (pF)
T
J
= 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
1,000
Measured at
Stand-Off
Voltage, V
WM
td
0
0
1.0
2.0
3.0
4.0
100
1.0
10
100
t — Time (ms)
V
(BR)
— Breakdown Voltage (V)
PM
(AV)
, Steady State Power Dissipation (W)
Fig. 5 – Steady State Power
Derating Curve
I
FSM
— Peak Forward Surge Current (A)
5.0
60H
Z
Resistive
or Inductive Load
3.75
L = 0.375" (9.5mm)
Lead Lengths
200
Fig. 6 - Maximum Non-Repetitive/Peak
Forward Surge Current
T
L
= 75°C
8.3ms Single Half Sine-Wave
(JEDEC Method)
100
2.5
0.8 x 0.8 x 0.040"
(20 x 20 x 1mm)
Copper Heat Sinks
1.25
0
10
1
10
100
0
25
50
75
100
125
150
175
200
T
L
— Lead Temperature (°C)
Number of Cycles at 60H
Z
Microchip MCU
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