P4KE SERIES
Transient Voltage Suppressor Diodes
Voltage Range
6.8 to 440 Volts
400 Watts Peak Power
Features
UL Recognized File # E-96005
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
400W surge capability at 10 x 100us waveform, duty cycle:
0.01%
Excellent clamping capability
Low zener impedance
Fast response time: Typically less than 1.0ps from 0 volts to
VBR for unidirectional and 5.0 ns for bidirectional
Typical I
R
less than 1 uA above 10V
High temperature soldering guaranteed: 260擄C / 10 seconds
/ .375鈥?(9.5mm) lead length / 5lbs.,(2.3kg) tension
DO-41
Mechanical Data
Case: Molded plastic
Lead: Axial leads, solderable per MIL-STD-
202, Method 208
Polarity: Color band denotes cathode except bipolar
Weight: 0.012 ounce,0.3 gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25擄C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Peak Power Dissipation at T
A
=25擄C, Tp=1ms
(Note 1)
Steady State Power Dissipation at T
L
=75擄C
Lead Lengths .375鈥? 9.5mm (Note 2)
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 3)
Maximum Instantaneous Forward Voltage at
25.0A for Unidirectional Only (Note 4)
Operating and Storage Temperature Range
Symbol
P
PK
P
D
I
FSM
V
F
T
J
, T
STG
Value
Minimum 400
1.0
40.0
3.5 / 6.5
-55 to + 175
O
Units
Watts
Watts
Amps
Volts
擄C
Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above T
A
=25 C Per Fig. 2.
Notes:
2. Mounted on Copper Pad Area of 1.6 x 1.6鈥?(40 x 40 mm) Per Fig. 4.
Notes:
3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minutes
Notes: 3.
Maximum.
Notes:
4. V
F
=3.5V for Devices of V
BR
鈮?/div>
200V and V
F
=6.5V Max. for Devices V
BR
>200V.
Devices for Bipolar Applications
Notes:
1. For Bidirectional Use C or CA Suffix for Types P4KE6.8 thru Types P4KE440.
Notes:
2. Electrical Characteristics Apply in Both Directions.
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