P4KE SERIES
GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE - 6.8 TO 440 Volts
400 Watt Peak Power
1.0 Watt Steady State
FEATURES
l
l
l
l
l
l
l
l
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
DO-41
than 1.0 ps from 0 volts to BV min
Typical I
R
less than 1 A above 10V
High temperature soldering guaranteed:
300 /10 seconds/.375”,(9.5mm) lead
length/5lbs., (2.3kg) tension
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: 0.012 ounce, 0.34 gram
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA Suffix for types
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25 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 , T
P
=1ms(Note 1)
Steady State Power Dissipation at T
L
=75 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 and Storage Temperature Range
SYMBOL
P
PK
PD
I
FSM
T
J
,T
STG
VALUE
Minimum 400
1.0
40.0
-65 to+175
UNITS
Watts
Watts
Amps
NOTES:
1.Non-repetitive current pulse, per Fig. 3 and derated above T
A
=25 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.
RATING AND CHARACTERISTIC CURVES P4KE SERIES
Fig. 1-PEAK PULSE POWER RATING VERSUS
PULSE TIME CURVE
Fig. 2-PULSE DERATING CURVE
Fig. 3-PULSE WAVEFORM
Fig. 4-TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
Real-time operating system RTOS
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