1.5SMC Series
Surface Mount TRANSZORB®
Transient Voltage Suppressors
V(BR) Unidirectional 6.8 to 540V
V(BR) Bidirectional 6.8 to 220V
Peak Pulse Power 1500W
DO-214AB (SMC J-Bend)
Cathode Band
d
nde nge*
Extee Ra
ltag
Vo
0.245 (6.22)
0.220 (5.59)
0.126 (3.20)
0.114 (2.90)
Mounting Pad Layout
0.280 (7.11)
0.260 (6.60)
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)
Dimensions in inches
and (millimeters)
0.008
(0.203)
Max.
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. High temperature soldering: 250°C/10
seconds at terminals.
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation.
Standard Packaging: 16mm tape (EIA STD RS-481)
Weight: 0.007oz., 0.21g
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 incremental surge resistance
• Low inductance
• Excellent clamping capability
• 1500W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
• Very fast response time
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* Voltages above 220V available Q1-2002
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. 1.5SMC10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
(1)(2)
PPPM
1500
W
(Fig. 3)
IPPM
See Next Table
A
PM(AV)
6.5
W
Peak forward surge current 8.3ms single half sine-wave
uni-directional only (2)
IFSM
200
A
Thermal resistance junction to ambient air (3)
RθJA
75
°C/W
Thermal resistance junction to leads
RθJL
15
°C/W
TJ, TSTG
–65 to +150
°C
Peak power dissipation with a 10/1000µs waveform
(1)
Peak pulse current with a 10/1000µs waveform
(Fig. 1)
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
11/8/01
