SMAJ SERIES
Surface Mount Transient Voltage Suppressor
Voltage Range
5.0 to 170 Volts
400 Watts Peak Power
Features
For surface mounted application
Low profile package
Built-in strain relief
Glass passivated junction
Excellent clamping capability
Fast response time: Typically less than 1.0ps from 0 volt to
BV min.
Typical I
R
less than 1μA above 10V
High temperature soldering guaranteed:
260
O
C / 10 seconds at terminals
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).
SMA/DO-214AC
.062(1.58)
.050(1.27)
.111(2.83)
.090(2.29)
.187(4.75)
.160(4.06)
.103(2.61)
.078(1.99)
Mechanical Data
Case: Molded plastic
Terminals: Solder plated
Polarity: Indicated by cathode band
Standard packaging: 12mm tape (EIA STD RS-481)
Weight: 0.064 gram
.056(1.41)
.035(0.90)
.210(5.33)
.195(4.95)
.012(.31)
.006(.15)
.008(.20)
.004(.10)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Type Number
P
eak
P
ower
D
issipation at
T
A
=25 C, Tp=1ms(
N
ote 1)
O
Steady State Power Dissipation
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 2, 3)
Maximum Instantaneous Forward Voltage at 25.0A
for Unidirectional Only
Operating and Storage Temperature Range
Symbol
P
PK
Pd
I
FSM
V
F
Value
Minimum 400
1
40.0
3.5
Units
Watts
Watts
Amps
Volts
O
T
J
, T
STG
-55 to + 150
C
O
Notes: 1. Non-repetitive Current Pulse Per Fig. 3 and Derated above
T
A
=25 C
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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TSC [ TAIWAN SEMICONDUCTOR COMPANY, LTD ]
