SMAJ5.0 thru SMAJ188CA
Vishay General Semiconductor
www.vishay.com For technical questions within your region, please contact one of the following:
PDD-Americas@vishay.com
, PDD-Asia@vishay.com, PDD-Europe@vishay.com
Document Number: 88390
Revision: 29-Oct-08
4
Note:
(1) Mounted on minimum recommended pad layout
Note:
(1) Automotive grade AEC Q101 qualified
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
THERMAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER SYMBOL VALUE UNIT
Typical thermal resistance, junction to ambient
(1)
R
θJA
120 °C/W
Typical thermal resistance, junction to lead R
θJL
30 °C/W
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
SMAJ5.0A-E3/61 0.064 61 1800 7" diameter plastic tape and reel
SMAJ5.0A-E3/5A 0.064 5A 7500 13" diameter plastic tape and reel
SMAJ5.0AHE3/61
(1)
0.064 61 1800 7" diameter plastic tape and reel
SMAJ5.0AHE3/5A
(1)
0.064 5A 7500 13" diameter plastic tape and reel
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Power or Current vs. Initial Junction Temperature
0.1
1
10
SMAJ5.0 -
SMAJ78
SMAJ85 -
SMAJ188
P
PPM
- Peak Pulse Power (kW)
t
d
- Pulse Width (s)
0.2 x 0.2" (5.0 x 5.0 mm)
Copper Pad Areas
Non-Repetitive Pulse
Waveform shown in Fig. 3
T
A
= 25 °C
0.1 µs 1.0 µs 10 µs 100 µs 1.0 ms 10 ms
0 25 50 75 100
100
75
50
25
0
125 150 175 200
T
J
- Initial Temperature (°C)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
0
50
100
5
t
d
0
1.0
2.0
3.0 4.0
I
PPM
- Peak Pulse Current, % I
RSM
t - Time (ms)
t
r
= 10 µs
Peak Value
I
PPM
Half Value -
I
PPM
I
PP
2
10/1000 µs Waveform
as defined by R.E.A.
T
J
= 25 °C
Pulse Width (t
d
)
is defined as the Point
where the Peak Current
decays to 50 % of I
PPM
10
100
1000
10 000
101 100 200
Uni-Directional
Bi-Directional
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
Measured at
Stand-Off
Voltage V
WM
C
J
- Junction Capacitance (pF)
V
WM
- Reverse Stand-Off Voltage (V)
