Surface Mount TRANSZORB®
Transient Voltage Suppressors V(BR) Unidirectional
6.8 to 540V
V(BR) Bidirectional
6.8 to 220V
Peak Pulse Power 1500W
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
Peak power dissipation with a 10/1000µs waveform(1)(2)(Fig. 1) PPPM 1500 W
Peak pulse current with a 10/1000µs waveform(1) (Fig. 3) IPPM See Next Table A
Power dissipation on infinite heatsink, TA= 50°C PM(AV) 6.5 W
Peak forward surge current 8.3ms single half sine-wave IFSM 200 A
uni-directional only(2)
Thermal resistance junction to ambient air(3) RθJA 75 °C/W
Thermal resistance junction to leads RθJL 15 °C/W
Operating junction and storage temperature range TJ, TSTG –65 to +150 °C
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
Features
• 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
Mechanical Data
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: 0.007 oz., 0.21 g
0.280 (7.11)
0.260 (6.60)
0.012 (0.305)
0.006 (0.152)
0.008
(0.203)
Max.
0.320 (8.13)
0.305 (7.75)
0.060 (1.52)
0.030 (0.76)
0.245 (6.22)
0.220 (5.59)
0.126 (3.20)
0.114 (2.90)
0.103 (2.62)
0.079 (2.06)
Cathode Band
Dimensions in inches
and (millimeters)
DO-214AB
(SMC J-Bend)
0.185 MAX.
(4.69 MAX.)
0.126 MIN.
(3.20 MIN.)
0.060 MIN.
(1.52 MIN.)
0.320 REF
Mounting Pad Layout
Extended
Voltage Range
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88303 www.vishay.com
21-May-04 1
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. VF= 3.5V at IF= 100A (uni-directional only)
Breakdown Voltage Maximum Maximum Maximum Maximum
General Device Marking V(BR) at IT(1) Test Stand-off Reverse Peak Pulse Clamping Temp.
Semiconductor Code (V) Current Voltage Leakage Current Voltage at Coefficient
Part Number ITVWM at VWM IPPM(2) IPPM of V(BR)
UNI BI MIN MAX (mA) (V) ID(4) (µA) (A) VC(V) (% / °C)
1.5SMC6.8A 6V8A 6V8C 6.45 7.14 10 5.80 1000 143 10.5 0.057
1.5SMC7.5A 7V5A 7V5C 7.13 7.88 10 6.40 500 133 11.3 0.061
1.5SMC8.2A 8V2A 8V2C 7.79 8.61 10 7.02 200 124 12.1 0.065
1.5SMC9.1A 9V1A 9V1C 8.65 9.55 1.0 7.78 50 112 13.4 0.068
1.5SMC10A 10A 10C 9.50 10.5 1.0 8.55 10 103 14.5 0.073
1.5SMC11A 11A 11C 10.5 11.6 1.0 9.40 5.0 96.2 15.6 0.075
1.5SMC12A 12A 12C 11.4 12.6 1.0 10.2 5.0 89.8 16.7 0.078
1.5SMC13A 13A 13C 12.4 13.7 1.0 11.1 5.0 82.4 18.2 0.081
1.5SMC15A 15A 15C 14.3 15.8 1.0 12.8 1.0 70.8 21.2 0.084
1.5SMC16A 16A 16C 15.2 16.8 1.0 13.6 1.0 66.7 22.5 0.086
1.5SMC18A 18A 18C 17.1 18.9 1.0 15.3 1.0 59.5 25.2 0.089
1.5SMC20A 20A 20C 19.0 21.0 1.0 17.1 1.0 54.2 27.7 0.090
1.5SMC22A 22A 22C 20.9 23.1 1.0 18.8 1.0 49.0 30.6 0.092
1.5SMC24A 24A 24C 22.8 25.2 1.0 20.5 1.0 45.2 33.2 0.09
1.5SMC27A 27A 27C 25.7 28.4 1.0 23.1 1.0 40.0 37.5 0.096
1.5SMC30A 30A 30C 28.5 31.5 1.0 25.6 1.0 36.2 41.4 0.097
1.5SMC33A 33A 33C 31.4 34.7 1.0 28.2 1.0 32.8 45.7 0.098
1.5SMC36A 36A 36C 34.2 37.8 1.0 30.8 1.0 30.1 49.9 0.099
1.5SMC39A 39A 39C 37.1 41.0 1.0 33.3 1.0 27.8 53.9 0.100
1.5SMC43A 43A 43C 40.9 45.2 1.0 36.8 1.0 25.3 59.3 0.101
1.5SMC47A 47A 47C 44.7 49.4 1.0 40.2 1.0 23.1 64.8 0.101
1.5SMC51A 51A 51C 48.5 53.6 1.0 43.6 1.0 21.4 70.1 0.102
1.5SMC56A 56A 56C 53.2 58.8 1.0 47.8 1.0 19.5 77.0 0.103
1.5SMC62A 62A 62C 58.9 65.1 1.0 53.0 1.0 17.6 85.0 0.104
1.5SMC68A 68A 68C 64.6 71.4 1.0 58.1 1.0 16.3 92.0 0.104
1.5SMC75A 75A 75C 71.3 78.8 1.0 64.1 1.0 14.6 104 0.105
1.5SMC82A 82A 82C 77.9 86.1 1.0 70.1 1.0 13.3 113 0.105
1.5SMC91A 91A 91C 86.5 95.5 1.0 77.8 1.0 12.0 125 0.106
1.5SMC100A 100A 100C 95.0 105 1.0 85.5 1.0 10.9 137 0.106
1.5SMC110A 110A 110C 105 116 1.0 94.0 1.0 9.9 152 0.107
1.5SMC120A 120A 120C 114 126 1.0 102 1.0 9.1 165 0.107
1.5SMC130A 130A 130C 124 137 1.0 111 1.0 8.4 179 0.107
1.5SMC150A 150A 150C 143 158 1.0 128 1.0 7.2 207 0.106
1.5SMC160A 160A 160C 152 168 1.0 136 1.0 6.8 219 0.108
1.5SMC170A 170A 170C 162 179 1.0 145 1.0 6.4 234 0.108
1.5SMC180A 180A 180C 171 189 1.0 154 1.0 6.1 246 0.108
1.5SMC200A 200A 200C 190 210 1.0 171 1.0 5.5 274 0.108
1.5SMC220A 220A 220C 209 231 1.0 185 1.0 4.6 328 0.108
1.5SMC250A 250A — 237 263 1.0 214 1.0 4.4 344 0.110
1.5SMC300A 300A — 285 315 1.0 256 1.0 3.6 414 0.110
1.5SMC350A 350A — 333 368 1.0 300 1.0 3.1 482 0.110
1.5SMC400A 400A — 380 420 1.0 342 1.0 2.7 548 0.110
1.5SMC440A 440A — 418 462 1.0 376 1.0 2.5 602 0.110
1.5SMC480A 480A — 456 504 1.0 408 1.0 2.28 658 0.110
1.5SMC510A 510A — 485 535 1.0 434 1.0 2.15 698 0.110
1.5SMC540A 540A — 513 567 1.0 459 1.0 2.03 740 0.110
Notes: (1) Pulse test: tp ≤50ms
(2) Surge current waveform per Fig. 3 and derate per Fig. 2
(3) All terms and symbols are consistent with ANSI/IEEE CA62.35
(4) For bidirectional types with VR10 volts and less, the IDlimit is doubled
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com Document Number 88303
221-May-04
CJ — Junction Capacitance (pF)
Fig. 4 – Typical Junction Capacitance
Uni-Directional
0
25
50
75
100
07525 50 100 125 150 175 200
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
TA — Ambient Temperature (°C)
10
100
1,000
10,000
20,000
101 100 400
VWM — Reverse Stand-Off Voltage (V)
Fig. 2 – Pulse Derating Curve
PPPM — Peak Pulse Power (kW)
Fig. 1 – Peak Pulse Power Rating Curve
0.1
1
10
100
0.1µs 1.0µs10µs
td — Pulse Width (sec.)
100µs 1.0ms 10ms
0.31 x 0.31" (8.0 x 8.0mm)
Copper Pad Areas
TJ = 25°C
f = 1.0MHz
Vsig = 50mVp-p
Measured at
Zero Bias
VR, Measured at
Stand-Off
Voltage, VWM
Fig. 6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Use Only
1
10
100
10
100
200
Peak Forward Surge Current,
Amperes
Number of Cycles at 60Hz
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = TJ max.
Uni-Directional
Bi-Directional
tp — Pulse Duration (sec)
Transient Thermal Impedance (°C/W)
Fig. 5 – Typical Transient Thermal
Impedance
0.1
1.0
10
100
0.001 0.01 0.1 1 10 100 1000
0
50
100
150
IPPM — Peak Pulse Current, % IRSM
Fig. 3 – Pulse Waveform
TJ = 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of IPPM
tr = 10µsec.
Peak Value
IPPM
Half Value — IPP
IPPM 2
td
10/1000µsec. Waveform
as defined by R.E.A.
01.0 2.0 3.0 4.0
t — Time (ms)
Ratings and
Characteristic Curves (TA= 25°C unless otherwise noted)
1.5SMC Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88303 www.vishay.com
21-May-04 3
