UMA5.0A thru UMA170CA
ULTRAMITE SURFACE MOUNT 500 Watt
Transient Voltage Suppressor 5.0 to 170 V
SCOTTSD A L E DIVISION
W
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UMA5.0A
–
UMA170CA
ELECTRICAL CHARACTERISTICS @25oC
MICROSEMI
PART NUMBER*
RATED
WORKING
PEAK
STANDOFF
VOLTAGE
VWM
(V)
BREAKDOWN
VOLTAGE
V(BR) MIN
@ I(BR)
(V)
BREAKDOWN
CURRENT
I(BR)
(mA)
MAXIMUM
CLAMPING
VOLTAGE
VC @ IPP
(V)
PEAK
PULSE
CURRENT
IPP
(A)
MAXIMUM
STANDBY
CURRENT
ID @ VWM
(
A)
UMA5.0A
UMA6.0A
UMA6.5A
UMA7.0A
5.0
6.0
6.5
7.0
6.40
6.67
7.22
7.78
10
9.2
10.3
11.2
12.0
54.3
48.5
44.7
41.7
800
500
200
UMA7.5A
UMA8.0A
UMA8.5A
UMA9.0A
7.5
8.0
8.5
9.0
8.33
8.89
9.44
10.0
1
12.9
13.6
14.4
15.4
38.8
36.7
34.7
32.6
100
50
10
5
UMA10A
UMA11A
UMA12A
UMA13A
10
11
12
13
11.1
12.2
13.3
14.4
1
17.0
18.2
19.9
21.5
29.4
27.4
25.1
23.2
5
UMA14A
UMA15A
UMA16A
UMA17A
14
15
16
17
15.6
16.7
17.8
18.9
1
23.2
24.4
26.0
27.6
21.5
20.6
19.2
18.1
5
UMA18A
UMA20A
UMA22A
UMA24A
18
20
22
24
20.0
22.2
24.4
26.7
1
29.2
32.4
35.5
38.9
17.2
15.4
14.1
12.8
5
UMA26A
UMA28A
UMA30A
UMA33A
26
28
30
33
28.9
31.1
33.3
36.7
1
42.1
45.4
48.4
53.3
11.9
11.0
10.3
9.4
5
UMA36A
UMA40A
UMA43A
UMA45A
36
40
43
45
40.0
44.4
47.8
50.0
1
58.1
64.5
69.4
72.7
8.6
7.8
7.2
6.9
5
UMA48A
UMA51A
UMA54A
UMA58A
48
51
54
58
53.3
56.7
60.0
64.4
1
77.4
82.4
87.1
93.6
6.5
6.1
5.7
5.3
5
UMA60A
UMA64A
UMA70A
UMA75A
60
64
70
75
66.7
71.1
77.8
83.3
1
96.8
103.0
113
121
5.2
4.9
4.4
4.1
5
UMA78A
UMA85A
UMA90A
UMA100A
78
85
90
100
86.7
94.4
100
111
1
126
137
146
162
4.0
3.6
3.4
3.1
5
UMA110A
UMA120A
UMA130A
UMA150A
110
120
130
150
122
133
144
167
1
177
193
209
243
2.8
2.6
2.4
2.1
5
UMA160A
UMA170A
160
170
178
189
1
259
275
1.9
1.8
5
* Order with “CA” suffix for bi-directional types. Capacitance will be that shown in figure 4.
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2
Copyright
2002
MSCUMA5.0.PDF 10-16-2003 REV B