P4KE SERIES
400 WATT PEAK POWER TRANSIENT VOLTAGE SUPPRESSORS
VOLTAGE RANGE
6.8 to 440 Volts
FEATURES
* 400 Watts Surge Capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time: Typically less than
1.0ps from 0 volt to BV min.
* Typical I
R
less than 1 A above 10V
* High temperature soldering guaranteed:
260 C / 10 seconds / .375"(9.5mm) lead
length, 5lbs.(2.3kg) tension
400 Watts Peak Power
1.0 Watts Steady State
DO-41
.107(2.7)
.080(2.0)
DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.34 grams
.205(5.2)
.166(4.2)
.034(.9)
.028(.7)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATINGS
Peak Power Dissipation at T
A
=25 C, T
P
=1ms(NOTE 1)
Steady State Power Dissipation at T
L
=75 C
Lead Length .375"(9.5mm) (NOTE 2)
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave
superimposed on rated load (JEDEC method) (NOTE 3)
Operating and Storage Temperature Range
SYMBOL
P
PK
P
D
I
FSM
T
J
, T
STG
VALUE
Minimum 400
1.0
40
-55 to +175
UNITS
Watts
Watts
Amps
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" (40mm X 40mm) per Fig.5.
3. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
DEVICES FOR BIPOLAR APPLICATIONS
1. For Bidirectional use C or CA Suffix for types P4KE6.8 thru P4KE440.
2. Electrical characteristics apply in both directions.
RATING AND CHARACTERISTIC CURVES (P4KE SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
T
A
=25 C
10
PEAK PULSE POWER(P
PP
) OR CURRENT(I
PP
)
DERATING IN PERCENTAGE
100
100
FIG.2-PULSE DERATING CURVE
P
PPM
, PEAK PULSE POWER, KW
75
50
1.0
25
0.1
0.1ms
0
1.0ms
10ms
100ms
1.0ms
10ms
0
25
50
75
100
125
150
175
td, PULSE WIDTH, sec.
T
A
, AMBIENT TEMPERATURE ( C)
FIG.3-PULSE WAVE FORM
150
I
PPM
, PEAK PULSE CURRENT, %
Tf=10 s
Peak Value
I
PPM
T
A
=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
100,000
FIG.4-TYPICAL JUNCTION CAPACITANCE
100
C
J
, CAPACITANCE, pF
T
J
=25 C
f=1.0MHz
Vsig=50mVp-p
10,000
Measued at
Zero Bias
Half Value-I
PPM
2
50
10/1000 sec Waveform
as Defined by R.E.A.
1,000
Measured at
Stand-Off
Voltage(V
MW
)
td
e-kt
0
0
1.0
2.0
3.0
4.0
100
1.0
2.0
5.0
10
20
50
100
200
t, TIME, ms
V(BR), BREAKDOWN VOLTAGE, VOL
TS
FIG.5-STEADY STATE POWER DERATING CURVE
Pm(
AV
), STEADY STATE POWER DISSIPATION, WATTS
1.00
FIG.6-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT, UNIDIRECTIONAL
100
80
T
J
=T
J
max
8.3ms Single Half Sine-wave
JEDEC Method
I
FSM
, PEAK FORWARD SURGE
CURRENT, AMPERES
0.75
L=.375"(9.5mm)
60
40
0.50
0.25
40mm x 40mm x 1mm
Copper Heat Sink
(1.6" x 1.6" x .040")
20
10
0
0
25
50
75
100
125
150
175
200
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
T
L
, LEAD TEMPERATURE ( C)
Microchip MCU
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