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SMAJ5.0 Datasheet, PDF (1/5 Pages) Taiwan Semiconductor Company, Ltd – Surface Mount Transient Voltage Suppressor
SMAJ5.0 THRU SMAJ440CA
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage: 5.0-440 Volts Peak pulse power: 400 Watts
DO-214AC/SMA
0.067 (1.70)
0.051 (1.30)
0.177(4.50)
0.157(3.99)
0.096(2.42)
0.078(1.98)
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.208(5.28)
0.188(4.80)
Dimensions in inches and (millimeters)
0.110(2.80)
0.100(2.54)
0.012(0.305)
0.006(0.152)
FEATURE
For surface mounted applications in order to optimize board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Excellent clamping capability
400W peak pulse power capability at 10/1000μs waveform,
repetition rate (duty cycle): 0.01%
Fast response time
Typical IR less than 1μA above 10V
High Temperature soldering: 260℃/10 seconds at terminals
Plastic package has underwriters laboratory flammability 94V-0
MECHANICAL DATA
Case: JEDEC DO-214AC. Molded plastic over glass passivated junction
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026
Polarity: Color band denotes cathode except bi-directional models
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.07g
APPLICATIONS
I/O interface
AC/DC power supply
Low frequency signal transmission line (RS232, RS485, etc.)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Peak pulse power dissipation at 10/1000μs waveform
(Note1, Note2, Fig.1)
PPPM
Minimum 400
Watts
Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3)
IPPM
See Table
Amps
Steady state power dissipation at TA=50℃ (Fig.5)
Peak forward surge current, 8.3ms single half sine-wave
superimposed on rated load, (JEDEC Method) (Note3, Fig.6)
PM(AV)
3.3
Watts
IFSM
40
Amps
Operating junction and Storage Temperature Range.
TJ,TSTG
-65 to +150
℃
Typical thermal resistance junction to lead
RθJL
30
℃/W
Typical thermal resistance junction to ambient
RθJA
120
℃/W
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2.
2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum.