SMAJ SERIES
SURFACE MOUNT
REVERSE VOLTAGE - 5.0 to 170 Volts
POWER DISSIPATION - 400 Watts
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
.
FEATURES
● Rating to 200V VBR
SMA
● For surface mounted applications
● Reliable low cost construction utilizing molded plastic
technique
.062(1.60)
.055(1.40)
.114(2.90)
.098(2.50)
● Plastic material has UL recognition 94V-0
● Typical IR less than 1µA above 10V
.181(4.60)
.157(4.00)
● Fast response time:typically less than 1.0ns for
Uni-direction,less than 5.0ns fo Bi-direction,from 0 Volts
to BV min
.012(.305)
.006(.152)
.103(2.62)
.079(2.00)
MECHANICAL DATA
● Case : Molded Plastic
● Polarity:by cathode band denotes uni-directional device
none cathode band denotes bi-directional device
● Weight : 0.002 ounces, 0.053 grams
.008(.203)
.002(.051)
.060(1.52)
.030(0.76)
.208(5.28)
.188(4.80)
Dimensions in inches and(millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
VALUE
SYMBOL
UNIT
CHARACTERISTICS
Peak Power Dissipation at TA=25℃
PPK
Minimum 400
WATTS
TP=1ms (NOTE1,2)
Peak Forward Surge Current
IFSM
40
AMPS
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load (JEDEC Method)
1.0
3.5
PM(AV)
VF
WATTS
VOLTS
Steady State Power Dissipation at TL=75℃
Maximum Instantaneous Forward Voltage
at 35A for Unidirectional Devices Only (NOTE3)
-55 to + 150
-55 to + 175
Operating Temperature Range
Storage Temperature Range
TJ
℃
℃
TSTG
NOTES:1. Non-repetitive current pulse ,per Fig. 3 and derated above TA=25℃ per Fig. 1.
2. Thermal Resistance junction to Lead.
3. 8.3ms single half-wave duty cycle=4 pulses per minutes maximum (uni-directional units only).
~ 280 ~