LITTELFUSE 1.5SMC18A

Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
1.5SMC Series
FEATURES
• 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)
SYMBOL
VALUE
UNIT
Peak pulse power Dissipation on
10/1000µs waveform (Note 1.2,FIG.1)
PPPM
Min
1500
Watts
Peak pulse current of on 10/1000µs
waveform (Note 1, FIG.3)
IPPM
See Table 1
Amps
Peak Forward Surge Current,
8.3ms Single Half Sine-Wave
Superimposed on Rated Load,
(JEDEC Method)(Note3)
IFSM
200
Amps
PARAMETER
Operating junction and Storage
Temperature Range
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 8.0mm2 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
Mounting Position:
Polarity:
A
Voltage
Bi-Directional
Terminal:
Standard Packaging:
5% Voltage Tolerance
T = Tape and reeled (3000 pcs)
278
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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-STD750, Method 2026
16mm tape (EIA STD RS-481)
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
1.5SMC Series
ELECTRICAL SPECIFICATION @ Tamb 25°C
Part
Number
(Bi)
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
BI
Reverse
Stand off
Voltage
VR
(Volts)
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
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
Device Marking
Code
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
Breakdown
Voltage
VBR (Volts) @ IT
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
IT (mA)
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
Maximum
Clamping
Voltage
VC @ IPP
(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
IPP
(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
IR @ VR
(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
6
SILICON DIODE
ARRAYS
Part
Number
(Uni)
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.
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279
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
1.5SMC Series
RoHS
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
PPPM- Peak Pulse Power (KW)
100
10
1
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
100
75
50
25
0
25
0
10ms
td- Pulse Width (sec.)
100 125 150 175 200
Fig. 2 Pulse Derating Curve
20000
10000
150
tr=10µsec
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
CJ-Junction Capacitance (pF)
IPPM- Peak Pulse Current, % I RSM
75
TA- Ambient Temperature (˚C)
Fig. 1 Peak Pulse Power Rating
100
50
Measured at
Zero Bias
1000
Half Value IPPM
2
50
10/1000µsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
VR, Measured at
Stand-Off
Voltage, VWM
100
10
1.0
4.0
TJ=25˚C
f=1.0MHZ
Vsig=50mVp-p
Uni-Directional
Bi-Directional
10
200
100
VWM-Reverse Stand-Off Voltage (V)
Fig. 4- Typical Junction Capacitance
Fig. 3 Pulse Waveform
200
Peak Forward Surge Current (A)
Transient Thermal Impedance
(˚C/W)
100
10
1.0
0.1
0.001
0.01
0.1
1
10
100
1000
tp- Pulse Duration(sec)
Fig. 5- Typ. Transient Thermal Impedance
280
100
8.3 Single Half Sine-Wave
(JEDEC Method)
TJ=TJ max.
10
1
10
Number of Cycles at 60Hz
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Use Only
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100
Silicon Avalanche Diodes
1500W Surface Mount Transient Voltage Supressors
RoHS
1.5SMC Series
Package Outline Dimensions and Pad Layouts
DO-214AB (SMC J-Bend)
Cathode Band
0.2.45 (6.22)
0.220 (5.59)
6
SILICON DIODE
ARRAYS
0.125 (3.20)
0.114 (2.90)
0.280 (7.11)
0.260(6.60)
0.012 (0.305)
0.006 (0.152)
0.103 (2.62)
0.079 (2.06)
0.008 (0.203) MAX
0.060 (1.52)
0.030 (0.76)
0.320 (8.13)
0.305 (7.75)
Dimensions in inches and (millimeters)
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281