SMAJ SERIES
Surface Mount Transient Voltage Suppressor
Voltage Range
5.0 to 170 Volts
400 Watts Peak Power
SMA/DO-214AC
Features
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For surface mounted application
Low profile package
Built-in strain relief
Glass passivated junction
Excellent clamping capability
.062(1.58)
.050(1.27)
.111(2.83)
.090(2.29)
Fast response time: Typically less than 1.0ps from 0 volt to
BV min.
.187(4.75)
.160(4.06)
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Typical IR less than 1μA above 10V
High temperature soldering guaranteed:
260OC / 10 seconds at terminals
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Plastic material used carries Underwriters Laboratory
Flammability Classification 94V-0
400 watts peak pulse power capability with a 10 x 1000 us
waveform by 0.01% duty cycle (300W above 78V).
.103(2.61)
.078(1.99)
.012(.31)
.006(.15)
Mechanical Data
.008(.20)
.004(.10)
.056(1.41)
.035(0.90)
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Case: Molded plastic
Terminals: Solder plated
Polarity: Indicated by cathode band
Standard packaging: 12mm tape (EIA STD RS-481)
.210(5.33)
.195(4.95)
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Weight: 0.064 gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Type Number
Symbol
PPK
Value
Minimum 400
1
Units
Watts
Watts
Peak Power Dissipation at TA=25OC, Tp=1ms(Note 1)
Steady State Power Dissipation
Pd
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 2, 3)
IFSM
40.0
Amps
Maximum Instantaneous Forward Voltage at 25.0A
for Unidirectional Only
VF
3.5
Volts
OC
Operating and Storage Temperature Range
TJ, TSTG
-55 to + 150
Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25OC Per Fig. 2.
2. Mounted on 0.2 x 0.2" (5 x 5mm) Copper Pads to Each Terminal.
3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per
Minute Maximum.
Devices for Bipolar Applications
1. For Bidrectional Use C or CA Suffix forTypes SMAJ5.0 through Types SMAJ170.
2. Electrical Characteristics Apply in Both Directions.
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