P4KE Series
Axial Lead TVS
Description
The P4KE Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Uni-directional
Feature
Glass passivated chip junction in DO-41 Package
400W peak pulse capability at 10×1000μs waveform,
repetition rate (duty cycles):0.01%
Excellent clamping capability
High temperature soldering guaranteed: 260°C/40 seconds / 0.375”,
(9.5mm) lead length, 5 lbs., (2.3kg) tension
Fast response time: typically less than 1.0ps from 0 Volts to BV min
Typical I
R
less than 1μA above 10V
Typical maximum temperature coefficient
ΔV
BR
= 0.1% × V
BR
@25°C ×
ΔT
Bi-directional
Maximum Ratings and Thermal Characteristics(T
A
=25℃ unless otherwise noted)
Parameter
Peak Pulse Power Dissipation on 10/1000μs waveform(Note 1, FIG. 1)
Peak Pulse Current of on 10/1000μs waveform (Note 1, FIG. 3)
Steady State Power Dissipation at TL=75°C
Lead Lengths .375”,(9.5mm) (Note 2) (9.5mm)(Note 2)
Peak Forward Surge Current, 8.3ms Single Half Sine-Wave
Superimposed on Rated Load, (JEDEC Method) (Note 3)
Operating junction and Storage
P
M(AV)
1.0
W
Symbol
P
PPM
I
PPM
Value
Min 400
See Table 1
Unit
W
A
I
FSM
T
J
, T
STG
40
-55 to +175
A
℃
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25°C per Fig.2
2. Mounted on Copper Leaf area of 1.57in
2
(40mm
2
).
3. 8.3 ms single half sine-wave, Duty cycle= 4 pulses per minutes maximum.
Rev.06
1
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Axial Lead TVS
P
PP
Peak Pulse Power
-- Max power dissipation
V
R
Stand-off Voltage
-- Maximum voltage that can be applied to the TVS without operation
V
BR
Breakdown Voltage
-- Maximum current that flows though the TVS at a specified test current (IT)
P4KE Series
V
C
Clamping Voltage
-- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
I
R
Reverse Leakage Current
-- Current measured at V
R
V
F
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves T
A
=25℃ unless otherwise noted
100
100
waveform shown in
P
PPM
-Peak Power(kW)
Fig.3 T
A
=25℃
10
Peak Pulse Power(P
PP
) or Current(I
PP
)
Non-repetitive pulse
75
50
1
25
0.1
0.1μs
100μs
1.0μs
10μs
t
d
-Pulse Width (sec.)
1.0ms
10ms
0
0
50
100
150
T
A
-Ambient temperature(
℃
)
Figure 2-Pulse Derating Curve
200
Figure 1-Peak Pulse Power Rating Curve
150
I
PPM
-Peak Pulse Current, %I
RSM
t
r
=10μs
Peak Value
100
I
PPM
Half Value
I
PPM
2
50
10/1000μs.Waveform as
defined by R.E.A
t
d
0
0
2.0
t-Time (ms)
Figure 3-Pulse Waveform
1.0
3.0
4.0
10
T
J
=25℃
Pulse Width(t
d
) is defined
Current decays to 50% of I
PPM
C
J
-Junction Capacitance (pF)
as the point where the peak
10000
T
J
=25C
f=1MHz
Vsig=50mV p-p
1000
Meansured at
zero bias
100
Measured at
Stang-off
Voltage V
WM
1.0
100
10
V
BR
Reverse Stand-off Voltage,Voltage
Figure 4-Typical Junction Capacitance
1000
Rev.06
4
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Axial Lead TVS
1.00
Steady State Power Dissipation (W)
I
FSM
-Peak Forward Surge Current (A)
40
P4KE Series
0.75
0.50
0.25
TJ=TJ max
8.3ms Single
Half Sine-Wave
0
50
100
150
T
L
-Lead Temperature (
℃
)
Figure 5-Steady State Power Derating Curve
0
175
10
100
Number of Cycles at 60 Hz
Figure 6-Maximum Non-Repetitive Forward Surge Current
1
10
Product dimension (DO-41)
B
A
C
D
Inches
Dim
MIN
A
B
C
D
25.4
4.20
0.70
2.00
Millimeters
MIN
1.000
0.165
0.028
0.080
MAX
--
5.20
0.90
2.70
MAX
--
0.205
0.034
0.107
Rev.06
5
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