Fairchild 1V5KE440(C)A Surge Protector User Manual


 
1V5KE6V8(C)A - 1V5KE440(C)A
1V5KE6V8(C)A - 1V5KE440(C)A, Rev. D
Transient Voltage Suppressors
(continued)
Typical Characteristics
0 25 50 75 100 125 150 175 200
0
1.25
2.5
3.75
5
Lead Temperature [ºC]
Power Dissipation [W]
0 25 50 75 100 125 150 175 200
0
25
50
75
100
Ambient Temperature [ºC]
Pulse Power [%]
12 51020 50100
10
20
50
100
200
Number of Cycles at 60Hz
Peak Forward Surge Current, I
FSM
[A]
T = T max
8.3ms Single Half Sine-Wave
JEDEC Method
A A
UNIDIRECTIONAL ONLY
0.0001 0.001 0.01 0.1 1 10
0.1
1
10
100
Pulse Width [ms]
Pulse Power [kW]
T = 25 C
º
A
01234
0
50
100
150
Time [ms]
Peak Pulse Current [%]
T = 25 C
º
A
Pulse Width (td) is Defined
as the Point Where the Peak
Current Decays to 50% of Ipp
10/1000
µ
µµ
µ
sec Waveform
as Defined by R.E.A.
tf = 10
µ
µµ
µ
sec
e-kt
Peak Value
Ippm
Half Value-Ipp
2
td
5 10 20 50 100 200 500
10
100
1000
10000
Reverse Voltage, V
R
[V]
Total Capacitance, C
T
[pF]
T = 25 C
º
A
f = 1.0 MHz
Visg = 50m Vp-p
Measured at
Zero Bias
Measured at
Stand-Off
Voltage (V mw)
Unidirectional
Bidirectional
Unidirectional
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
Figure 3. Pulse Waveform Figure 4. Total Capacitance
Figure 5. Steady State Power Derating Curve
Figure 6. Non-Repetitive Surge Current