* TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation – The type number listed indicates a tolerance of
±5%.
MOTOROLA
2
1SMA5.0AT3 through 1SMA78AT3
RATING AND TYPICAL CHARACTERISTIC CURVES
100
Ippm, PEAK PULSE CURRENT (%)
NONREPETITIVE
PULSE WAVEFORM
SHOWN IN FIGURE 2.
TA = 25°C
120
= 10
µs
100
80
60
40
20
0
0.001
0.01
0.1
tP, PULSE WIDTH (ms)
1
10
TA = 25°C
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
PEAK VALUE DECAYS TO 50% OF Ipp.
Ippm
HALF VALUE – Ipp/2
10/1000
µs
WAVEFORM
AS DEFINED BY R.E.A.
td
0
1
2
3
t, TIME (ms)
4
5
Ppk , PEAK POWER (kW)
10
1
0.1
10–4
Figure 1. Pulse Rating Curve
Figure 2. Pulse Waveform
120
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
100
80
60
40
20
0
10 x 1000 WAVEFORM
AS DEFINED BY R.E.A.
10,000
TJ = 25°C
f = 1 MHz
Vsig = 50 mVp–p
1,000
MEASURED AT
ZERO BIAS
100
MEASURED AT
STAND–OFF
VOLTAGE, VWM
10
0
40
80
120
160
TA, AMBIENT TEMPERATURE (°C)
200
1
2
5
10
20
50
V(BR), BREAKDOWN VOLTAGE (VOLTS)
100 200
Figure 3. Pulse Derating Curve
Figure 4. Typical Junction Capacitance
PD , MAXIMUM POWER DISSIPATION (WATTS)
6
5
4
TL
3
2
1
0
0
50
100
T, TEMPERATURE (°C)
150
TA
Figure 5. Steady State Power Derating
1SMA5.0AT3 through 1SMA78AT3
MOTOROLA
3
OUTLINE DIMENSIONS
S
A
0.157
4.0
0.0787
2.0
D
B
0.0787
2.0
inches
mm
SMA
C
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
MIN
MAX
0.160
0.180
0.090
0.115
0.075
0.105
0.050
0.064
0.004
0.008
0.006
0.016
0.030
0.060
0.190
0.220
MILLIMETERS
MIN
MAX
4.06
4.57
2.29
2.92
1.91
2.67
1.27
1.63
0.10
0.20
0.15
0.41
0.76
1.52
4.83
5.59
K
J
H
DIM
A
B
C
D
H
J
K
S
CASE 403B–01
ISSUE O
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