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SMCJ30CA
SMCJ Transient Voltage Suppressor Diode Series
Rating & Characteristic Curves
Pulse Derating Curve
Maximum Non-Repetitive Surge Current
Pulse Waveform
Typical Junction Capacitance
Pulse Rating Curve
Steady State Power Derating Curve
100
75
50
25
0
0
50
25
75
100
150
125
175
200
Ambient Temperature (
Peak Pulse Derating in Per
cent of
Peak Power or Current
°C)
10 x 1000 Waveform as Defined
by R.E.A.
Peak For
ward Surge Current (Amps)
100
200
10
1
2
5
10
20
50
100
Number of Cycles at 60 Hz
Pulse Width 8.3 ms
Single Half Sine-Wave
(JEDEC Method)
100
50
0
0
1.0
2.0
3.0
4.0
T, Time (ms)
I P
, Peak Pulse Current (%)
TA=25 °C
TP
TR=10 µs
Half value=
IRSM
2
Peak value (IRSM)
Pulse width (TP)
is defined as that point
where the peak current
decays to 50 % of IPSM.
10 x 1000 waveform
as defined by R.E.A.
Capacitance (pF)
10000
100
0
0
10
100
1000
Standoff Voltage (Volts)
1000
Bidirectional
TA = 25 °C
Unidirectional
5.0
3.0
4.0
2.0
1.0
0.0
0
50
25
75
100
150
125
175
200
TL, Lead Temperature (°C)
RM(A
V) Steady State Power Dissipation (W)
60 Hz Resistive or
Inductive Load
100
10
1.0
0.1
0.1 µs
1.0 µs
10 µs
10 ms
TP, Pulse Width
P
P
, Peak Power (KW)
100 µs
1.0 ms
5.0 mm Lead Areas
TA = 25 °C
Non-repetitive Pulse Waveform
Shown in Pulse Waveform Graph
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.