SA5.0A_09 Datasheet, PDF (3/5 Pages) Littelfuse – Transient Voltage Suppression Diodes

Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
Ratings and Characteristic Curves (T_A=25°C unless otherwise noted)
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
30
100
Non-repetitive Pulse
Waveform Shown in Fig. 3
TA=25ûC
10
75
Exponential
1 ^{P Td}
P _Td
Half SINE
P
0.1
01.μs
Td
Square
1.0μs 10μs
100μs 1.0ms
td- Pulse Width (sec.)
10ms
50
25
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
1000
Bi-directional V=0V
Uni-directional V=0V
100
Uni-directional @ V
R
Bi-directional @ V
R
10
Tj=25C
f =1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
V_BR - Reverse Breakdown Voltage (V)
1000.0
Figure 5 - Steady State Power Derating Curve
3.5
3
2.5
2
1.5
1
0.5
0
0
L = 0.375” (9.5mm)
Lead Lengths
25 50 75 100 125 150 175 200
T_L - Lead Temperature(ºC)
Figure 6 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
80
70
60
50
40
30
20
10
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/SA.html for current information.
73
Revision: January 09, 2009
SA Series