1.5SMC6.8A thru 1.5SMC550CA
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 1500W Breakdown Voltage 6.8 to 550V
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 10/1000us
waveform, repetition rate (duty cycle): 0.01%
Very fast response time
High temperature soldering: 250
o
C/10 seconds at terminals
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
Polarity: For uni-directional types the band denotes the cathode,
which is positive with respect to the anode under normal TVS
operation
Weight: 0.007oz., 0.21g
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. 1.5SMC10CA). Electrical characteristics apply in both directions.
Maximum Ratings and Thermal Characteristics
(Ratings at 25
o
C ambient temperature unless otherwise specified.)
Parameter
Peak pulse power dissipation with
a 10/1000
u
s waveform
(1) (2)
(Fig. 1)
Peak pulse current with a 10/1000
u
s waveform
(1)
(Fig. 3)
Power dissipation on infinite heatsink, T
A
=50
o
C
Peak forward surge current 8.3ms single half sine-wave
uni-directional only
(2)
Thermal resistance junction to ambient air
(3)
Thermal resistance junction to leads
Operating junction and storage temperature range
Symbol
P
PPM
I
PPM
P
M(AV)
I
FSM
R
θ
JA
R
θ
JL
T
J
, T
STG
Value
Minimum 1500
See Next Table
6.5
200
75
15
-55 to +150
Unit
W
A
W
Amps
o
C/W
C/W
o
o
C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above T
A
=25
o
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
599
Electrical Characteristics
Ratings at 25
o
C ambient temperature unless otherwise specified. V
F
=3.5V at I
F
=100A (uni-directional only)
Breakdow n voltage
V
(BR)
(Volts)
(1)
Min.
6.45
7.13
7.79
8.65
9.50
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95.0
105
114
124
143
152
162
171
190
209
237
285
332
380
418
456
485
503.5
513
522.5
Max.
7.14
7.88
8.61
9.55
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41.0
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.5
105
116
126
137
158
168
179
189
210
231
263
315
368
420
462
504
535
556.5
567
577.5
Maximum
reverse
leakage
at V
WM
I
D(4)
(uA)
1000
500
200
50
10
5.0
5.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
peak pulse
current
I
PPM(2)
(A)
143
133
124
112
103
96.2
89.8
82.4
70.8
66.7
59.5
54.2
49.0
45.2
40.0
36.2
32.8
30.1
27.8
25.3
23.1
21.4
19.5
17.6
16.3
14.6
13.3
12.0
10.9
9.9
9.1
8.4
7.2
6.8
6.4
6.1
5.5
4.6
4.4
3.7
3.2
2.8
2.5
2.3
2.1
2.1
2.0
2.0
Maximum
clamping
voltage at
I
PPM
V
C
(Volts)
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
104
113
125
137
152
165
179
207
219
234
246
274
328
344
414
482
548
602
658
698
725
740
760
Maximum
temperature
coefficient
of V
(BR)
(% /
o
C)
0.057
0.061
0.065
0.068
0.073
0.075
0.078
0.081
0.084
0.086
0.089
0.090
0.092
0.094
0.096
0.097
0.098
0.099
0.100
0.101
0.101
0.102
0.103
0.104
0.104
0.105
0.105
0.106
0.106
0.107
0.107
0.107
0.106
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
Device marking
co d e
Device type
1.5SMC6.8A
1.5SMC7.5A
1.5SMC8.2A
1.5SMC9.1A
1.5SMC10A
1.5SMC11A
1.5SMC12A
1.5SMC13A
1.5SMC15A
1.5SMC16A
1.5SMC18A
1.5SMC20A
1.5SMC22A
1.5SMC24A
1.5SMC27A
1.5SMC30A
1.5SMC33A
1.5SMC36A
1.5SMC39A
1.5SMC43A
1.5SMC47A
1.5SMC51A
1.5SMC56A
1.5SMC62A
1.5SMC68A
1.5SMC75A
1.5SMC82A
1.5SMC91A
1.5SMC100A
1.5SMC110A
1.5SMC120A
1.5SMC130A
1.5SMC150A
1.5SMC160A
1.5SMC170A
1.5SMC180A
1.5SMC200A
1.5SMC220A
1.5SMC250A
1.5SMC300A
1.5SMC350A
1.5SMC400A
1.5SMC440A
1.5SMC480A
1.5SMC510A
1.5SMC530A
1.5SMC540A
1.5SMC550A
UNI
6V 8A
7V 5A
8V 2A
9V 1A
10A
11A
12A
13A
15A
16A
18A
20A
22A
24A
27A
30A
33A
36A
39A
43A
47A
51A
56A
62A
68A
75A
82A
91A
100A
110A
120A
130A
150A
160A
170A
180A
200A
220A
250A
300A
350A
400A
440A
480A
510A
530A
540A
550A
BI
6V 8C
7V 5C
8V 2C
9V 1C
10C
11C
12C
13C
15C
16C
18C
20C
22C
24C
27C
30C
33C
36C
39C
43C
47C
51C
56C
62C
68C
75C
82C
91C
100C
110C
120C
130C
150C
160C
170C
180C
200C
220C
250C
300C
350C
400C
440C
480C
510C
530C
540C
550C
Test
current
at I
T
(mA)
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Stand-off
voltage
V
WM
(Volts)
5.80
6.40
7.02
7.78
8.55
9.40
10.2
11.1
12.8
13.6
15.3
17.1
18.8
20.5
23.1
25.6
28.2
30.8
33.3
36.8
40.2
43.6
47.8
53.0
58.1
64.1
70.1
77.8
85.5
94.0
102
111
128
136
145
154
171
185
214
256
300
342
376
408
434
477
459
495
Notes:
1. V
(BR)
measured after I
T
applied for 300us, I
T
=square wave pulse or equivalent
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 V
R
10 volts and less, the I
D
limit is doubled
600
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