SMAJ5.0 thru 188CA
Surface Mount T
RANS
Z
ORB
®
Transient Voltage Suppressors
DO-214AC (SMA)
Cathode Band
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
ed e
end ang
Ext e R
tag
ol
V
0.066 MIN.
(1.68 MIN.)
0.052 MIN.
(1.32 MIN.)
Stand-off Voltage
5.0 to 188V
Peak Pulse Power
400W
Mounting Pad Layout
0.094 MAX.
(2.38 MAX.)
0.177 (4.50)
Dimensions in inches
and (millimeters)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.090 (2.29)
0.078 (1.98)
0.220
(5.58) REF
0.060 (1.52)
0.030 (0.76)
0.008 (0.203) MAX.
0.208 (5.28)
0.194 (4.93)
Features
• 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 10/1000µs
waveform, repetition rate (duty cycle): 0.01% (300W
above 78V)
• Very fast response time
• High temperature soldering guaranteed:
250°C/10 seconds at terminals
Mechanical Data
Case:
JEDEC DO-214AC 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:
0.002oz., 0.064g
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
Peak pulse power dissipation with
a 10/1000µs waveform
(1,2)
(see fig. 1)
Peak pulse current with a 10/1000µs waveform
(1)
Peak forward surge current 8.3ms single half sine-wave
uni-directional only
(2)
Typical thermal resistance, junction to ambient
(3)
Typical thermal resistance, junction to lead
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
I
FSM
R
θJA
R
θJL
T
J
, T
STG
Value
400
See Next Table
40
120
30
–55 to +150
Unit
W
A
A
°C/W
°C/W
°C
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 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
10/17/01
VISHAY [ VISHAY TELEFUNKEN ]
