GALAXY ELECTRICAL
FEATURES
Plastic package has underwriters laboratory
flammability classification 94V-0
Optimized for LAN protection applications
Low profile package with built-in strain relief for
surface mounted applications
Glass passivated junction
Low incremental surge resistance, excellent clamping
capability
400W peak pulse power capability with a 10/1000µs 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
ME CHANI CAL DATA
Case:JEDEC DO-214AC molded plastic over passivated
chip
Terminals: solder plated, solderable per MIL-STD-750,
method 2026
Polarity: foruni-directional types the color band denotes
the cathode, which is postitive with respect to the
anode under normal TVS operation
Mounting position: any Weight: 0.002 ounces, 0.064 grams
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA). Electrical characteristics apply in both directions.
Operating junction and storage temperature range TJ, TSTG -55---+150
(3) Mounted on minimum recommended pad layout.
(2) Mounted on 0.2 x 0.2" (5.0 x 5.0mm) copper pads to each terminal.
NOTES: (1) Non-repetitive current pules, per Fig. 3 and derated above TA=25 per Fig. 2. Rating is 300W above 78V.
Typical thermal resistance, junction to ambient (NOTE 3) RθJA 120.0 /W
A
/WRθJL
Peak forw ard surge current, 8.3ms single half sine-w ave
ffff uni-directional only (NOTE 2)
Typical thermal resistance, junction to ambient (NOTE 3)
IFSM 40.0
30
Peak pulse current w ith a 10/1000μs w aveform (NOTE 1) IPPM
See next table A
Peak pow er dissipation w ith a 10/1000μs waveform (NOTE 1,2, FIG.1)
PPPM
Minimum 400 W
SMAJ5.0 - - - SM AJ188CA
TRANSIENT VOLTAGE SUPPRESSOR BREAKDOWN VOLTAGE: 5.0 --- 188 V
PEAK PULSE POWER: 400 W
DO-214AC(SMA)
MAXIMUM RATI NGS AND CHARACTERI S TI CS
Ratings at 25 ambient temperature unless otherwise specified.
UNITVALUESYMBOL
BLGALAXY ELECTRICAL
Document Number 0285005 1.
www.galaxycn.com
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