20KPA20A Datasheet, PDF (3/5 Pages) TAITRON Components Incorporated – 20KW Transient Voltage Suppressor

Transient Voltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
Ratings and Characteristic Curves (T_A=25°C unless otherwise notedFigure 1 - Peak Pulse Power Rating Curve
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
1000
100
10
1
0.1
0.000001
0.00001
0.0001
t - Pulse Width (Sec.)
d
0.001
100
80
60
40
20
0
0 25 50 75 100 125 150 175 200
T_A-Ambient temperature (ºC)
Figure 3 - Pulse Waveform
150
100
50
tr=10μsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value
( ) IPPM IPPM
2
10/1000μsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
t-Time (ms)
Figure 4 - Typical Junction Capacitance
10000
Bi-directional V= OV
Uni-directional V= OV
Uni-directional @ VR
100
Bi-directional @ VR
Tj=25C
f =1.0MHz
Vsig=50mVp-p
1
0 50 100 150 200 250 300 350
V_BR - Reverse Breakdwon Voltage (V)
Figure 5 - Steady State Power Derating Curve
9
8
7
6
5
4
3 _{L = 0.375” (9.5mm)}
Lead Lengths
2
1
0
0 25 50 75 100 125 150 175 200
T_L- Lead Temperature (ºC)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current
450
400
350
300
250
200
150
100
50
0
1
10
100
Number of Cycles at 60 Hz
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
119
Revision: January 09, 2009
20KPA Series