SMAJ5.0 thru 188CA
Vishay Semiconductors
formerly General Semiconductor
Surface Mount TRANSZORB®
Transient Voltage Suppressors
DO-214AC (SMA)
Stand-off Voltage 5.0 to 188V
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.
(1.68 MIN.)
0.074 MAX.
(1.88 MAX.)
0.177 (4.50)
0.157 (3.99)
Dimensions in inches
and (millimeters)
0.012 (0.305)
0.006 (0.152)
0.060 MIN.
(1.52 MIN.)
0.208
(5.28) REF
0.090 (2.29)
0.078 (1.98)
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.060 (1.52)
0.030 (0.76)
0.008 (0.203)
MAX.
• Ideal for ESD protection of data lines in
accordance with IEC 1000-4-2 (IEC801-2)
0.208 (5.28)
0.194 (4.93)
• 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
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
• Glass passivated junction
• 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
• High temperature soldering guaranteed:
250°C/10 seconds at terminals
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 oz., 0.064 g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 20K/carton
61 – 1.8K per 7" plastic Reel (12mm tape), 36K/carton
5A – 7.5K per 13" plastic Reel (12mm tape), 75K/carton
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 & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
PPPM
IPPM
Value
Unit
Peak pulse power dissipation with
400
W
a 10/1000µs waveform(1,2) (see fig. 1)
Peak pulse current with a waveform(1)
See Next Table
40
A
Peak forward surge current 8.3ms single half sine-wave
IFSM
A
uni-directional only(2)
Typical thermal resistance, junction to ambient(3)
Typical thermal resistance, junction to lead
R
120
30
°C/W
°C/W
°C
θJA
R
θJL
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
Document Number 88390
17-Feb-04
www.vishay.com
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