SM15T Series
Surface Mount TRANSZORB®
Transient Voltage Suppressors
DO-214AB (SMC J-Bend)
Breakdown Voltage 6.8 to 220V
Peak Pulse Power 1500W
Cathode Band
0.245 (6.22)
0.220 (5.59)
0.126 (3.20)
0.114 (2.90)
New
t
duc
Pro
0.280 (7.11)
0.260 (6.60)
Mounting Pad Layout
0.185 MAX.
(4.69 MAX.)
0.121 MIN.
(3.07 MIN.)
0.012 (0.305)
0.006 (0.152)
0.060 MIN.
(1.52 MIN.)
0.103 (2.62)
0.079 (2.06)
0.060 (1.52)
0.030 (0.76)
0.320 (8.13)
0.305 (7.75)
0.008
(0.203)
Max.
Dimensions in inches
and (millimeters)
0.320 REF
Mechanical Data
Features
Case: JEDEC DO-214AB (SMC) molded plastic over
passivated junction
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
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.003oz., 0.093g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
57 – 850 per 7” plastic Reel (16mm tape), 8.5K/carton
9A – 3.5K per 13” plastic Reel (16mm tape), 35K/carton
• Low profile package with built-in strain relief for
surface mounted applications
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• 1500W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
• Fast response time: theoretically (with no parisitic
inductance) less than 1ps from 0 Volts to V(BR) for
undirectional and 5ns for bidirectional types
• High temperature soldering: 250°C/10 seconds at terminals
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. SM15T10CA). 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) (Fig. 1)
PPPM
Minimum 1500
W
Peak pulse current with a 10/1000µs waveform(1) (Fig. 3)
IPPM
See Next Table
A
PM(AV)
6.5
W
Peak forward surge current 10ms single half sine-wave
uni-directional only (2)
IFSM
200
A
Typical thermal resistance junction to ambient air (3)
RθJA
75
°C/W
Typical thermal resistance junction to leads
RθJL
15
°C/W
TJ, TSTG
–65 to +150
°C
Power dissipation on infinite heatsink, TA = 50°C
Operating junction and storage temperature range
Notes: (1) Non-repetitive current pulse, per Fig.3 and derated above TA = 25°C per Fig. 2
(2) Mounted on 0.31 x 0.31” (8.0 x 8.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
8/8/01
