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 Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
l Glass passivated chip junction in DO-41 package
l 400W surge capability at 1ms
l Excellent clamping capability
l Low zener impedance
l Fast response time: typically less
than 1.0 ps from 0 volts to BV min
l Typical IR less than 1A above 10V
l High temperature soldering guaranteed:
300/10 seconds/.375”,(9.5mm) lead
length/5lbs., (2.3kg) tension
MECHANICAL DATA
Case: JEDEC DO-41 molded plastic
DO-41
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 25ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING SYMBOL VALUE UNITS
Peak Power Dissipation at TA=25, TP=1ms(Note 1) PPK Minimum 400 Watts
Steady State Power Dissipation at TL=75Lead 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 TJ,T
PD 1.0 Watts
I
40.0 Amps
FSM
-65 to+175
STG
1.Non-repetitive current pulse, per Fig. 3 and derated above TA=25per Fig. 2.
2.Mounted on Copper Leaf area of 1.57in2(40mm2).
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 Fig. 2-PULSE DERATING CURVE
PULSE TIME CURVE
Fig. 3-PULSE WAVEFORM Fig. 4-TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL