SMAJ Transient Voltage Suppressor Diode Series
Rating & Characteristic Curves
Pulse Derating Curve
Maximum Non-Repetitive Surge Current
100
60
50
75
50
25
40
30
20
10
Pulse Width 8.3 ms
Single Half Sine-Wave
(JEDEC Method)
10 x 1000 Waveform as Defined
by R.E.A.
0
0
1
2
5
10
20
50
100
0
25
50
75
100
125
150
175
200
Number of Cycles at 60 Hz
Ambient Temperature (°C)
Pulse Waveform
Typical Junction Capacitance
10000
TR=10 µs
Peak value (IRSM)
IRSM
TA = 25 °C
100
Half value=
2
1000
100
0
Unidirectional
Pulse width (TP)
Bidirectional
is defined as that point
where the peak current
decays to 50 % of IPSM.
50
10 x 1000 waveform
as defined by R.E.A.
TA=25 °C
TP
0
0
1.0
2.0
3.0
4.0
0
10
100
Standoff Voltage (Volts)
1000
T, Time (ms)
Pulse Rating Curve
Steady State Power Derating Curve
1.0
100
TA = 25 °C
0.8
0.6
Non-repetitive
Pulse Waveform
Shown in Pulse Waveform Graph
10
0.4
0.2
1.0
5.0 mm Lead Areas
60 Hz Resistive or
Inductive Load
0.0
0.1
0.1 µs
0
25
50
75
100
125
150
175
200
1.0 µs
10 µs
100 µs
1.0 ms
10 ms
TL, Lead Temperature (°C)
TP, Pulse Width
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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