P4KE68 Datasheet, PDF (1/4 Pages) Diodes Incorporated – TRANSIENT VOLTAGE SUPPRESSOR

Features
· UL Recognized
· 400W Peak Pulse Power Dissipation
· Voltage Range 6.8V - 400V
· Constructed with Glass Passivated Die
· Uni and Bidirectional Versions Available
· Excellent Clamping Capability
· Fast Response Time
Mechanical Data
· Case: Transfer Molded Epoxy
· Leads: Plated Leads, Solderable per
MIL-STD-202, Method 208
· Marking: Unidirectional - Type Number and
Cathode Band
· Marking: Bidirectional - Type Number Only
· Approx. Weight: 0.4 grams
· Mounting Position: Any
P4KE6.8 - P4KE400CA
TRANSIENT VOLTAGE SUPPRESSOR
A
B
A
C
D
DO-41
Dim
Min
Max
A
25.40
—
B
4.06
5.21
C
0.71
0.884
D
2.00
2.72
All Dimensions in mm
Maximum Ratings ^{@ TA = 25°C unless otherwise specified}
Characteristic
Symbol
Value
Unit
Peak Power Dissipation, T_p = 1.0 ms (Non repetitive current pulse,
per Figure 1 and derated above T_A = 25°C per Figure 4)
Ppk
400
W
Steady State Power Dissipation at T_L = 75°C
Lead Lengths 9.5 mm per Figure 5 (Mounted on Copper Land Area of 40mm²)
Pd
1.0
W
Peak Forward Surge Current, 8.3 ms Single Half Sine Wave, Superimposed
on Rated Load (JEDEC Method) Duty Cycle = 4 pulses per minute maximum)
I_FSM
40
A
Forward Voltage @ IF = 20A
300µs Square Wave Pulse, Unidirectional Only
VBR £ 200V
V_BR > 200V
V_F
3.5
6.5
V
Operating and Storage Temperature Range
Tj, TSTG
-55 to +175
°C
DS21508 Rev. B-4
1 of 4
P4KE6.8-P4KE400CA