SMCJ18A Littelfuse Inc, SMCJ18A Datasheet - Page 2

• Manufacturer Part Number: SMCJ18A
• Description: DIODE TVS 18V 1500W UNI 5% SMC
• Manufacturer: Littelfuse Inc
• Series: SMCJr

Specifications of SMCJ18A

• Voltage - Reverse Standoff (typ): 18V
• Voltage - Breakdown: 20V
• Power (watts): 1500W
• Polarization: Unidirectional
• Mounting Type: Surface Mount
• Package / Case: DO-214AB, SMC
• Reverse Stand-off Voltage Vrwm: 18V
• Breakdown Voltage Range: 20V To 22.1V
• Clamping Voltage Vc Max: 29.2V
• Diode Configuration: Unidirectional
• Peak Pulse Current Ippm: 51.4A
• Diode Case Style: DO-214AB
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Other names: SMCJ18ALFTR

SMCJ Series
Electrical Characteristics
Number
(Uni)
Part
Number
Part
(Bi)
is ± 10% and V
of 10 volts and less, the I limit is double.
Transient Voltage Suppression Diodes
Surface Mount – 1500W > SMCJ series
C
UNI
Marking
BI
Stand off
Reverse
Voltage
(Volts)
100.0
120.0
150.0
160.0
170.0
200.0
220.0
250.0
400.0
440.0
110.0
12.0
14.0
15.0
16.0
20.0
22.0
24.0
26.0
40.0
45.0
54.0
60.0
64.0
70.0
75.0
10.0
51.0
11.0
17 .0
5.0
6.0
6.5
V
7 .0
7 .5
R
Revision: November 13, 2009
100.00
122.00
144.00
224.00
246.00
167 .00
201.00
447 .00
111.00
20.00
22.20
24.40
26.70
40.00
44.40
50.00
56.70
60.00
64.40
66.70
10.00
12.20
14.40
15.60
16.70
MIN
11.10
71.10
6.40
6.67
7 .22
Breakdown
Voltage V
(Volts) @ I
222.00
272.00
104.00
247 .00
111.00
147 .00
MAX
24.50
40.60
44.20
62.70
10.40
14.70
22.10
71.20
11.10
17 .20
7 .00
BR
T
Current
(mA)
Test
Please refer to http://www.Littelfuse.com/series/SMCJ.html for current information.
10
10
10
10
I
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
1
1
1
1
1
T
Maximum
Voltage V
Clamping
@ I
126.0
146.0
162.0
275.0
405.0
121.0
177 .0
567 .0
12.0
14.4
15.4
24.4
26.0
42.1
45.4
64.5
72.7
11.2
21.5
27 .6
77 .4
17 .0
(V)
pp
C
Maximum
Current I
Specifications are subject to change without notice.
Pulse
145.7
125.0
104.2
Peak
75.4
64.7
54.4
20.6
16.1
15.5
61.5
57 .7
51.4
21.7
14.6
12.4
11.0
(A)
6.2
5.5
5.1
4.6
4.2
2.6
2.1
7 .2
pp
Maximum
Leakage I
Reverse
@ V
(μA)
500
200
100
50
20
10
5
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
R
©2009 Littelfuse, Inc.
R
Approval
Agency
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