
SMAJ5.0 THRU SMAJ188CA
Features
Mechanical Data
· Plastic package has Underwriters Laboratory
flammability classification 94V-0
· Optimized for LAN protection applications
· Ideal for ESD protection of data lines in accordance with
IEC 1000-4-2 (IEC801-2)
· Ideal for EFT protection of data lines in accordance with
IEC 1000-4-4 (IEC801-4)
· 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 10/1000 S
waveform, repetition rate(duty cycle) : 0.01% (300W above 78V)
· Very fast response time
· High temperature soldering guaranteed : 250
at terminals
/10 seconds
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 And Electrical Characteristics
· Case : JEDEC DO-214AC(SMA) molded plastic
over passivated chip
· Terminals : Solder plated , solderable per
MIL-STD-750, method 2026
· Polarity : For uni-directional types the band denotes
the cathode, which is positive with respect to the
anode under normal TVS operation
· Mounting Position : Any
· Weight : 0.002 ounce, 0.064 gram
Peak pulse power dissipation with a 10/1000 S waveform (Note 1,2. Fig. 1)
Peak pulse current with a waveform (Note 1)
Typical thermal resistance, junction to lead
Typical thermal resistance, junction to ambient (Note 3)
Peak forward surge current, 8.3mm single half sine-wave unidirectional only (Note 2)
Operating junction and storage temperature range
P
PPM
400
Watts
Symbols
Values
Units
30
I
PPM
See next table
Amps
40
I
FSM
T
J
,T
STG
120
-55 to +150
/W
/W
Amps
(Ratings at 25
ambient temperature unless otherwise specified)
Notes:
(1) Non repetitive current pulse, per Fig.3 and derated above T
A
=25
(2) Mounted on 0.2 0.2"(5.0 5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
per Fig.2 Rating is 300W above 78V
POWER 400Watts
VOLTAGE 5.0 to 188 Volts
0.005(0.127)
MAX.
Dimensions in inches and (millimeters)
0.058(1.47)
0.052(1.32)
0.110(2.79)
0.100(2.54)
0.012(0.31)
0.006(0.15)
0.177(4.50)
0.157(3.99)
0.090(2.29)
0.078(1.98)
0.060(1.52)
0.030(0.76)
0.208(5.28)
0.194(4.93)
DO-214AC (SMA)
R
JA
R
JL