SMAJ5.0 thru 188CA
Surface Mount TRANSZORB®
Transient Voltage Suppressors
Stand-off Voltage 5.0 to 188V
DO-214AC (SMA)
Peak Pulse Power 400W
Cathode Band
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
Mounting Pad Layout
0.066 MIN.
0.094 MAX.
(1.68 MIN.)
(2.38 MAX.)
0.177 (4.50)
0.157 (3.99)
Dimensions in inches
and (millimeters)
0.012 (0.305)
0.006 (0.152)
0.052 MIN.
(1.32 MIN.)
0.220
0.090 (2.29)
0.078 (1.98)
(5.58) REF
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.060 (1.52)
0.030 (0.76)
0.008 (0.203)
MAX.
0.208 (5.28)
0.194 (4.93)
• Optimized for LAN protection applications
• Ideal for ESD protection of data lines in
accordance with IEC 1000-4-2 (IEC801-2)
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
• 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
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: 0.002oz., 0.064g
• Low incremental surge resistance, excellent clamping
capability
• 400W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01% (300W
above 78V)
• Very fast response time
Packaging codes/options:
5A/7.5K per 13” Reel (12mm Tape), 90K/box
11/1.8K per 7” Reel (12mm tape), 36K/box
• High temperature soldering guaranteed:
250°C/10 seconds at terminals
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. SMAJ10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with
a 10/1000µs waveform(1,2) (see fig. 1)
PPPM
400
W
Peak pulse current with a 10/1000µs waveform(1)
IPPM
See Next Table
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
uni-directional only(2)
IFSM
40
A
Typical thermal resistance, junction to ambient(3)
Typical thermal resistance, junction to lead
RθJA
RθJL
120
30
°C/W
°C/W
°C
Operating junction and storage temperature range
TJ, TSTG
–55 to +150
Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C 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
10/4/00