
Microsemi
Scottsdale Division
Page 4
Copyright
2009
4-14-2009 REV K
WWW
.Microse
m
i
.CO
M
SMAJ5.0 thru SMAJ170CA, e3
SURFACE MOUNT 500 Watt
Transient Voltage Suppressor
S C O T TS DALE DIVISION
GRAPHS
tw Microseconds
FIGURE 1
Peak Pulse Power (PPP) – Kilowatts versus
Pulse Width (tw) - Microseconds
C
–
Ca
pa
cita
nce
-
Pi
cofarads
SMAJ5.0–1
70CA,
e
3
FIGURE 2
Lead or Ambient Temperature
oC
V(BR) - Breakdown Voltage – Volts
Peak
Pulse
Power
(
P
PP
)or
conti
nuous
Power
in
P
ercent
of
25
o C
Rating
Pulse Waveform for Exponential Surge
FIGURE 3
FIGURE 4
Derating Curve
Typical Capacitance vs. Breakdown Voltage
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503