P4KA6.8 THRU P4KA43A
AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
Breakdown Voltage
- 6.8 to 43 Volts
D
*
E
DO-204AL
Peak Pulse Power
- 400 Watts
FEATURES
1.0 (25.4)
MIN.
0.107 (2.7)
0.080 (2.0)
DIA.
0.205 (5.2)
0.160 (4.1)
1.0 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
DIA.
NOTE:
Lead diameter is
0.026 (0.66)
♦
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
♦
Designed for under the hood applications
♦
Exclusive patented PAR™ oxide passivated
chip construction
♦
400W peak pulse power
capability with a 10/1000µs waveform,
repetition rate (duty cycle): 0.01%
♦
Excellent clamping capability
♦
Low incremental surge resistance
♦
Fast response time: typically less
than 1.0ps from 0 Volts to V
(BR)
♦
For devices with V
(BR)
≥10V,
I
D
are typically less than
1.0µA
♦
High temperature soldering guaranteed:
300°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
P
A
T
E
N
T
0.023 (0.58)
for suffix "E" part numbers
Dimensions in inches and (millimeters)
Patent #’s 4,980,315
5,166,769
5,278,094
MECHANICAL DATA
Case:
JEDEC DO-204AL molded plastic body over
passivated junction
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes positive end (cathode)
Mounting Position:
Any
Weight:
0.012 ounce, 0.3 gram
*
Available in unidirectional only
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNITS
Peak pulse power dissipation with a 10/1000µs
waveform
(NOTE 1, FIG. 1)
Peak pulse current with a 10/1000µs waveform
(NOTE 1, FIG. 3)
P
PPM
I
PPM
P
M(AV)
Minimum 400
SEE TABLE 1
Watts
Amps
Watts
Steady state power dissipation at T
L
=75°C
lead lengths 0.375" (9.5mm)
(NOTE 2)
Peak forward surge current, 8.3ms single half
sine-wave superimposed on rated load
(JEDEC Method)
(NOTE 3)
Maximum instantaneous forward voltage at 25A
Operating junction and storage temperature range
1.0
I
FSM
V
F
T
J
, T
STG
40.0
3.5
-65 to +185
Amps
Volts
°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
8/6/98
ELECTRICAL CHARACTERISTICS at (
T
A
=25°C unless otherwise noted) TABLE 1 (Cont’d)
Breakdown Voltage
V
(BR)
Volts
(NOTE 1)
Device Type
MIN
MAX
Test
Current
at I
T
(mA)
Stand-off
Voltage
V
WM
(Volts)
Maximum
Reverse
Leakage
at V
WM
I
D
(µA)
Maximum
Reverse
Leakage
at V
WM,
Tc=150°C
I
D
(µA)
Maximum
Peak Pulse
Current
I
PPM
(NOTE 2)
(Amps)
Maximum
Clamping
Voltage at l
PPM
V
C
(Volts)
Maximum
Temperature
Coefficient
of
V
(BR)
(% /
°C)
P4KA22
P4KA22A
P4KA24
P4KA24A
P4KA27
P4KA27A
P4KA30
P4KA30A
P4KA33
P4KA33A
P4KA36
P4KA36A
P4KA39
P4KA39A
P4KA43
P4KA43A
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
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
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
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
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
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
12.5
13.1
11.5
12.0
10.2
10.7
9.2
9.7
8.4
8.8
7.7
8.0
7.1
7.4
6.5
6.7
31.9
30.6
34.2
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
0.092
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, I
T
=square wave pulse or equivalent
(2) Surge current waveform per Fig. 3 and derated per Fig. 2
(3) All terms and symbols are consistent with ANSI/IEEE C62.35
RATINGS AND CHARACTERISTIC CURVES P4KA6.8 THRU P4KA43A
FIG. 2 - PULSE DERATING CURVE
PEAK PULSE POWER (P
PP
) or CURRENT (I
PP
)
DERATING IN PERCENTAGE, %
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
P
PPM
, PEAK PULSE POWER, kW
100
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
T
A
=25°C
10
75
50
1.0
25
0.1
0.1
µ
s
1.0
µ
s
10
µ
s
100
µ
s
1.0ms
10ms
td, PULSE WIDTH, sec.
0
0
25
50
75
100 125 150 175
200
T
A
, AMBIENT TEMPERATURE, °C
FIG. 3 - PULSE WAVEFORM
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
150
C
J
, JUNCTION CAPACITANCE, pF
I
PPM
PEAK PULSE CURRENT, %
t
r
=10µsec.
PEAK VALUE
I
PPM
PULSE WIDTH (t
d
) is
DEFINED as the POINT
WHERE the PEAK CURRENT
DECAYS to 50% of I
PP
20,000
10,000
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
MEASURED at
ZERO BIAS
100
HALF VALUE - Ipp
2
1,000
MEASURED at
STAND-OFF
VOLTAGE, V
WM
50
10/1000µsec. WAVEFORM
as DEFINED by R.E.A.
td
0
100
0
1.0
2.0
t, TIME, ms
3.0
4.0
1.0
10
100 200
V
(BR)
, BREAKDOWN VOLTAGE, VOLTS
PM
(AV),
STEADY STATE POWER DISSIPATION,
WATTS
FIG. 5 - STEADY STATE POWER DERATING CURVE
1.00
I
FSM,
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 6 - MAXIMUM NON-REPETITIVE\PEAK
FORWARD SURGE CURRENT
50
L
=0.375” (9.5mm)
0.75
LEAD LENGTHS
40
30
20
10
0
0.50
1.58 x 1.58 x 0.040"
(40 x 40 x 1mm)
COPPER HEAT SINKS
0.25
T
L
=75°C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
1
10
NUMBER OF CYCLES AT 60 H
Z
100
0
25
50
75
100
125
150
175
200
T
L,
LEAD TEMPERATURE,°C
NXP MCU
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