Production specification
Transient Voltage Suppressor
SMAJ5.0--SMAJ440CA
Features
Optimized for LAN protection applications
Low profile package with built-in strain relief
for surface mounted applications
Low incremental surge resistance, excellent clamping capability
400W peak pulse power capability with a 10/1000¦Ìs wave
form, repetition rate (duty cycle): 0.01% (300W above 78V)
Very fast response time
High temperature soldering guaranteed: 250°C / 10 seconds at terminals
Mechanical Data
Case: SMA molded plastic
Molding compound, UL flammability classification rating 94V-0
Terminals: Solder plated, solderable per MIL- STD-202,Method 208
Polarity: Color band denotes cathode end
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA). Electrical
characteristics apply in both directions.
Maximum Ratings (@TA = 25°C unless otherwise specified)
Parameter
Symbol
Value
Units
Peak power dissipation with a 10/1000μs waveform
PPPM
Minimum 400
W
(NOTE 1,2, FIG.1)
Peak pulse current with a 10/1000μs waveform (NOTE1)
IPPM
See next table
120
A
Typical thermal resistance, junction to ambient (NOTE 3)
R θ JA
℃/W
Peak forward surge current, 8.3ms single half sine-wave
uni-directional only (NOTE 2)
IFSM
40.0
A
Typical thermal resistance, junction to ambient (NOTE 3)
Operating junction and storage temperature range
R θ J L
30
℃/W
TJ, TSTG
-55---+150
℃
NOTES: 1.Non-repetitive current pules, per Fig. 3 and derate above TA=25 per Fig. 2. Rating is 300W
above 78V.
2. Mounted on 0.2 x 0.2" (5.0 x 5.0mm) copper pads to each terminal.
3. Mounted on minimum recommended pad layout.
SMA601AA
Rev.B
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