Bourns DIODE TVS/SMAJ28A/DO-214AC/BOU SMAJ28A Data Sheet
Product codes
SMAJ28A
100
75
50
25
0
0
50
25
75
100
150
125
175
200
Ambient Temperature (
Peak Pulse Derating in Percent of
Peak Power or Current
°C)
10 x 1000 Waveform as Defined
by R.E.A.
Peak Forward Surge Current (Amps)
60
40
50
30
20
10
0
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
10
1
10
100
1000
Standoff Voltage (Volts)
1000
Bidirectional
TA = 25 °C
Unidirectional
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
1.0
0.6
0.8
0.4
0.2
0.0
0
50
25
75
100
150
125
175
200
TL, Lead Temperature (°C)
RM(AV) Steady State Power Dissipation (W)
60 Hz Resistive or
Inductive Load
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
SMAJ 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