Datasheet

83
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
Revision: January 09, 2009
Axial Leaded – 600W > P6KE series
P6KE Series
Please refer to http://www.Littelfuse.com/series/P6KE.html for current information.
P6KE Series
P
PPM
- Peak Pulse Power (kW)
0.1μs
1.0μs
10μs
100μs
1.0ms
10ms
0.1
1
10
100
Non-repetitive Pulse
Waveform shown in Fig 3.
T
A
=25ûC
t
d
- Pulse Width (sec.)
T
A
- Ambient Temperature (
o
C)
Peak Pulse Power (P
PP
) or Current (I
PPM
)
Derating in Percentage, %
0
0
25
25
50
50
75
75
100
100
125 150 175 200
Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating Curve
I
PPM
- Peak Pulse Current, % I
RSM
0
0
50
100
150
1.0 2.0 3.0 4.0
t
r
=10μsec
Peak Value
I
PPM
I
PPM
2
T
J
=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
10/1000μsec. Waveform
as defined by R.E.A
t
d
t-Time (ms)
Half Value
I
PPM
( )
Figure 3 - Pulse Waveform
1
10
100
1000
10000
1.0 10.0 100.0 1000.0
V
BR
- Reverse Breakdown Voltage (V)
Cj (pF)
Uni-directional V=0V
Bi-directional V=0V
Uni-directional @VR
Bi-directional @VR
Tj=25C
f=1.0MHz
Vsig=50mVp-p
Figure 4 - Typical Junction Capacitance Uni-Directional
0
1
2
3
4
5
6
0 25 50 75 100 125 150 175 200
Steady State Power Dissipation (W)
L = 0.375” (9.5mm)
Lead Lengths
T
L
-Lead Temperature(ºC)
Figure 5 - Steady State Power Derating Curve
0
20
40
60
80
100
120
1 10 100
Number of Cycles at 60 Hz
I
FSM
- Peak Forward Surge Current
(A)
Figure 6 - Maximum Non-Repetitive Forward Surge
Current
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted)