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