Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
FEATURES
1.5SMC Series
•
RoHS
compliant
•
For surface mounted applications in order to optimize
board space
•
Low profile package
•
Built-in strain relief
•
Glass passivated junction
•
Low Inductance
•
Excellent clamping capability
•
Repetition Rate (duty cycle):0.05%
•
Fast response time: typically less than 1.0ps from 0 Volts to
BV min.
•
Typical IR less than 1µA above 10V
•
High temperature soldering: 250˚C/10 seconds at terminals
DEVICES FOR BIPOLAR APPLICATION
For Bidirectional use Suffix CA for types 1.5SMC6.8CA thru types
1.5SMC550CA
Electrical characteristics apply in both directions
Agency Approvals:
Recognized under the Components Program
of Underwriters Laboratories.
Agency File Number:
E128667
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherwise noted)
PARAMETER
Peak pulse power Dissipation on
10/1000µs waveform (Note 1.2,FIG.1)
Peak pulse current of on 10/1000µs
waveform (Note 1, FIG.3)
Peak Forward Surge Current,
8.3ms Single Half Sine-Wave
Superimposed on Rated Load,
(JEDEC Method)(Note3)
Operating junction and Storage
Temperature Range
SYMBOL
PPPM
IPPM
VALUE
Min
1500
See Table 1
UNIT
Watts
Amps
IFSM
200
Amps
Tj, TsTG -55 to +150
°C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above
TA= 25˚C per Fig.2
2. Mounted on 8.0mm
2
Copper Pads to each terminal
3. 8.3ms single half sine-wave, or equivalent square wave,
Duty cycle = 4 pulses per minutes maximum
Mechanical Specifications:
Weight:
Case:
ORDERING INFORMATION
1.5SMC
C
A
Mounting Position:
Polarity:
Terminal:
Standard Packaging:
Voltage
Bi-Directional
5% Voltage Tolerance
T = Tape and reeled (3000 pcs)
0.007 ounce, 0.21 gram
JEDEC DO214AB. Molded plastic over
glass passivated junction
Any
Color band denoted positive end
(cathode) except Bidirectional
Solder plated, solderable per MIL-STD-
750, Method 2026
16mm tape (EIA STD RS-481)
278
w w w. l i t t e l f u s e . c o m
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
1.5SMC Series
Part
Number
(Bi)
Device Marking
Code
Reverse
Stand off
Voltage
V
R
(Volts)
5.80
6.40
7.02
7.78
8.55
9.40
10.20
11.10
12.80
13.60
15.30
17.10
18.80
20.50
23.10
25.60
28.20
30.80
33.30
36.80
40.20
43.60
47.80
53.00
58.10
64.10
70.10
77.80
85.50
94.00
102.00
111.00
128.00
136.00
145.00
154.00
171.00
185.00
214.00
256.00
300.00
342.00
376.00
408.00
434.00
477.00
459.00
495.00
Breakdown
Voltage
V
BR
(Volts) @
I
T
MIN
6.45
7.13
7.79
8.65
9.50
10.50
11.40
12.40
14.30
15.20
17.10
19.00
20.90
22.80
25.70
28.50
31.40
34.20
37.10
40.90
44.70
48.50
53.20
58.90
64.60
71.30
77.90
86.50
95.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
190.00
209.00
237.00
285.00
332.00
380.00
418.00
456.00
485.00
503.50
513.00
522.50
MAX
7.14
7.88
8.61
9.50
10.50
11.60
12.60
13.70
15.80
16.80
18.90
21.00
23.10
25.20
28.40
31.50
34.70
37.80
41.00
45.20
49.40
53.60
58.80
65.10
71.40
78.80
86.10
95.50
105.00
116.00
126.00
137.00
158.00
168.00
179.00
189.00
210.00
231.00
263.00
315.00
368.00
420.00
462.00
504.00
535.00
556.50
567.00
577.50
Test
Current
I
T
(mA)
Maximum
Clamping
Voltage
V
C
@
I
PP
(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
103.0
113.0
125.0
137.0
152.0
165.0
179.0
207.0
219.0
234.0
246.0
274.0
328.0
344.0
414.0
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
Maximum
Peak Pulse
Current
I
PP
(A)
144.8
134.5
125.6
113.4
104.8
97.4
91.0
83.5
71.7
67.6
60.3
54.9
49.7
45.8
40.5
36.7
33.3
30.5
28.2
25.6
23.5
21.7
19.7
17.9
16.5
14.8
13.5
12.2
11.1
10.0
9.2
8.5
7.3
6.9
6.5
6.2
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
Reverse
Leakage
I
R
@ V
R
(µA)
1000
500
200
50
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
ELECTRICAL SPECIFICATION @ Tamb 25°C
Part
Number
(Uni)
UNI
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
1.5SMC6.8CA
1.5SMC7.5CA
1.5SMC8.2CA
1.5SMC9.1CA
1.5SMC10CA
1.5SMC11CA
1.5SMC12CA
1.5SMC13CA
1.5SMC15CA
1.5SMC16CA
1.5SMC18CA
1.5SMC20CA
1.5SMC22CA
1.5SMC24CA
1.5SMC27CA
1.5SMC30CA
1.5SMC33CA
1.5SMC36CA
1.5SMC39CA
1.5SMC43CA
1.5SMC47CA
1.5SMC51CA
1.5SMC56CA
1.5SMC62CA
1.5SMC68CA
1.5SMC75CA
1.5SMC82CA
1.5SMC91CA
1.5SMC100CA
1.5SMC110CA
1.5SMC120CA
1.5SMC130CA
1.5SMC150CA
1.5SMC160CA
1.5SMC170CA
1.5SMC180CA
1.5SMC200CA
1.5SMC220CA
1.5SMC250CA
1.5SMC300CA
1.5SMC350CA
1.5SMC400CA
1.5SMC440CA
1.5SMC480CA
1.5SMC510CA
1.5SMC530CA
1.5SMC540CA
1.5SMC550CA
6V8A
7V5A
8V2A
9V1A
10A
11A
12A
13A
15A
16A
18A
20A
22A
24A
27A
30A
33A
36A
39A
43A
47A
51A
56A
62A
68A
75A
82A
91A
68A
75A
120A
130A
150A
160A
170A
180A
200A
220A
250A
300A
350A
400A
440A
480A
510A
530A
540A
550A
BI
6V8C
7V5C
8V2C
9V1C
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
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
SILICON DIODE
ARRAYS
279
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
The avaliable parts are "A" type only, the parts without A (VBR is ± 10%) is not avaliable.
w w w. l i t t e l f u s e . c o m
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
1.5SMC Series
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
100
PPPM- Peak Pulse Power (KW)
100
75
10
50
1
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
25
0.1
0.1µs
0
0
25
50
75
100 125 150 175 200
TA- Ambient Temperature (˚C)
1.0µs
10µs
100µs
1.0ms
10ms
td- Pulse Width (sec.)
Fig. 1 Peak Pulse Power Rating
150
IPPM- Peak Pulse Current, % I RSM
tr=10µsec
Peak Value
IPPM
Half Value IPPM
2
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Fig. 2 Pulse Derating Curve
20000
10000
CJ-Junction Capacitance (pF)
Measured at
Zero Bias
100
1000
50
10/1000µsec. Waveform
as defined by R.E.A
100
VR, Measured at
Stand-Off
Voltage, VWM
TJ=25˚C
f=1.0MHZ
Vsig=50mVp-p
td
0
0
1.0
2.0
3.0
4.0
10
1.0
Uni-Directional
Bi-Directional
10
100
200
VWM-Reverse Stand-Off Voltage (V)
Fig. 3 Pulse Waveform
100
Transient Thermal Impedance
(˚C/W)
Peak Forward Surge Current (A)
Fig. 4- Typical Junction Capacitance
200
100
10
1.0
8.3 Single Half Sine-Wave
(JEDEC Method)
TJ=TJ max.
0.1
0.001
0.01
0.1
1
10
100
1000
10
1
10
Number of Cycles at 60Hz
100
tp- Pulse Duration(sec)
Fig. 5- Typ. Transient Thermal Impedance
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Use Only
280
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