P4KE**** Series
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE - 6.8 TO 550 Volts
400Watt Peak Power
Feature
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
* Glass passivated chip junction in DO-41 package
* 400W surge capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time: typically less
than 1.0 ps from 0 volts to BV min
* Typical IR less than 1μA above 10V
* High temperature soldering guaranteed:
260 /10 seconds/.375”,(9.5mm) lead
length/5lbs., (2.3kg) tension
1.0 Watt Steady State
Mechanical Data
Case:
JEDEC DO-41 molded plastic
Terminals:
Axial leads, solderable per
MIL-STD-202, Method 208
Polarity:
Color band denoted cathode
except Bipolar
Mounting Position:
Any
Weight:
0.011 oz., 0.284 g
We declare that the material of product compliance
with ROHS requirements
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types P4KE6.8 thru types P4KE550
Electrical characteristics apply in both directions.marking code is all type.
1.Electrical Characteristic
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
Peak Power Dissipation at T
A
=25°C, T
P
=1ms(Note 1)
Steady State Power Dissipation at T
L
=75°C
Lead Lengths .375”,(9.5mm) (Note 2)
Peak Forward Surge Current, 8.3ms Single Half Sine-
Wave Superimposed on Rated Load(JECED Method) (Note 3)
Operating Temperature Range
Storage Temperature Range
NOTES:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2.
2. Mounted on Copper Leaf area of 1.57in
2
(40mm
2
).
3. 8.3ms single half sine-wave, duty cycle= 4 pulses per minutes maximum.
SYMBOL
P
PPM
P
M(AV)
I
FSM
T
J
T
STG
VALUE
Minimum 400
1.0
UNITS
Watts
Watts
40
-55 to +150
-55 to +175
Amps
°C
°C
P4KE **** Series
2. Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1-Peak Pulse Power Rating Curve
Non-Repetive
Pulse Waveform
Shown in Fig.3
TA=25°C
Fig. 2-Pulse Derating Curve
Peak Pulse Power(P
PP
) or current(I
PP
)
Derating in percentage %
125
100
100
P
PPM
, Peak Pulse Power,KW
10
50
1.0
0.1
0.1
0
1.0
10
100 1000 10000
td,Pulse Width,μsec
0
25 50 100 125 150 175 200
TA,Ambient Temperature,°C
Fig. 4-Typical Junction Capacitance
Unidirectional
10000
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
150
Fig. 3-Pulse Waveform
TA=25℃
Test Waveform
tf=10μs td=1000μs
I
PPM
, Peak Pulse Current %
Cj, Capacitance,pF
tf=10μs
100
Peak Value
Ippm
1000
meansured at
Zero Bias
Half Value
Ipp/2=td
50
10/1000μs Waveform
as deffused by R.E.A
100
meansured at
stand-off voltage
V
WM
0
0
1.0
2.0
t,Time,ms
3.0
10
1.0
10
100
1000
V
(WM),
Reverse Stand-off Voltage,Voltage
Fig. 6-Maximum Non-Repetitive Peak
Forward Surge Current Uniderictional
P
m(AV)
Steady State Power Dissipation,Watts
Fig. 5-Steady State Power
Derating Curve
1.00
0.80
0.375"(9.5mm)
40
I
FSM
, Forward Surge Current,Amperes
0.60
0.40
0.20
20mm*20mm*1mm
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
0.00
0
25
50 75 100 125 150 175
TL,Lead Temperature,°C
10
1
10
Number of Cycles At 60 Hz
100
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