1SMA18CAT3 ON Semiconductor, 1SMA18CAT3 Datasheet - Page 3

• Manufacturer Part Number: 1SMA18CAT3
• Description: TVS 400W 18V BIDIRECT SMA
• Manufacturer: ON Semiconductor

Specifications of 1SMA18CAT3

• Voltage - Reverse Standoff (typ): 18V
• Voltage - Breakdown: 20V
• Power (watts): 400W
• Polarization: Bidirectional
• Mounting Type: Surface Mount
• Package / Case: DO-214AC, SMA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4. A transient suppressor is normally selected according to the working peak reverse voltage (V
5. V
6. Surge current waveform per Figure 2 and derate per Figure 3
7. Bias voltage = 0 V, F = 1.0 MHz, T
†Please see 1SMA5.0AT3 to 1SMA78AT3 for Unidirectional devices.
* The “G” suffix indicates Pb-Free package available.
ELECTRICAL CHARACTERISTICS
1SMA10CAT3, G
1SMA12CAT3, G
1SMA13CAT3, G
1SMA14CAT3, G
1SMA15CAT3, G
1SMA16CAT3, G
1SMA18CAT3, G
1SMA20CAT3, G
1SMA22CAT3, G
1SMA24CAT3, G
1SMA26CAT3, G
1SMA28CAT3, G
1SMA30CAT3, G
1SMA33CAT3, G
1SMA36CAT3, G
1SMA40CAT3, G
1SMA43CAT3, G
1SMA48CAT3, G
1SMA51CAT3, G
1SMA54CAT3, G
1SMA58CAT3, G
1SMA60CAT3, G
1SMA64CAT3, G
1SMA70CAT3, G
1SMA78CAT3, G
1SMA11CAT3, G
the DC or continuous peak operating voltage level
BR
Device*
measured at pulse test current I
Marking
Device
RMC
QXC
QZC
REC
RGC
RKC
RPC
RXC
SGC
SMC
SRC
TGC
TMC
RTC
RVC
RZC
SEC
SKC
SPC
STC
SXC
SZC
TEC
TKC
TPC
TTC
(Note 4)
J
V
Volts
= 25°C.
T
RWM
10
12
13
14
15
16
18
20
22
24
26
28
30
33
36
40
43
48
51
54
58
60
64
70
78
11
at an ambient temperature of 25°C
I
R
@ V
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
mA
1SMA10CAT3 Series
RWM
http://onsemi.com
12.2
13.3
14.4
15.6
16.7
17.8
22.2
24.4
26.7
28.9
31.1
33.3
36.7
44.4
47.8
53.3
56.7
64.4
66.7
71.1
77.8
86.7
11.1
Min
20
40
60
V
3
BR
Breakdown Voltage
(Volts) (Note 5)
11.69
12.84
14.00
15.16
16.42
17.58
18.74
21.06
23.37
25.69
28.11
30.42
32.74
35.06
38.63
42.11
46.74
50.32
56.11
59.69
63.16
67.79
70.21
74.84
81.90
91.27
Nom
12.27
13.48
14.70
15.92
17.24
18.46
19.67
22.11
24.54
26.97
29.51
31.94
34.37
36.81
40.56
44.21
49.07
52.83
58.91
62.67
66.32
71.18
73.72
78.58
85.99
95.83
Max
RWM
@ I
mA
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
T
), which should be equal to or greater than
Volts
17.0
18.2
19.9
21.5
23.2
24.4
26.0
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
77.4
82.4
87.1
93.6
96.8
103
126
113
V
C
V
(Note 6)
C
@ I
Amps
PP
23.5
22.0
20.1
18.6
17.2
16.4
15.4
13.7
12.3
11.3
10.3
9.5
8.8
8.3
7.5
6.9
6.2
5.8
5.2
4.9
4.6
4.3
4.1
3.9
3.5
3.2
I
PP
(Note 7)
C Typ.
580
530
490
455
425
400
375
335
305
280
260
240
225
210
190
175
160
150
135
130
120
105
115
110
pF
95
90