SMAJ5.0 thru SMAJ170CA, e3
SURFACE MOUNT 500 Watt
Transient Voltage Suppressor
S C O T T S D A L E D I V I S I O N
REVERSE
STANDOFF
VOLTAGE
VWM
MINIMUM
BREAKDOWN
VOLTAGE
VBR
BREAKDOWN
CURRENT
I(BR)
MAXIMUM
CLAMPING
VOLTAGE
@ IPP
PEAK
PULSE
CURRENT
(See Fig. 2)
IPP
MAXIMUM
STANDBY
CURRENT
@ VWM
TYPE
NUMBER
VC
ID
MIN @ I(BR)
Volts
43
43
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
78
78
85
85
Volts
Amps
μA
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
Volts
47.8
47.8
50.0
50.0
53.3
53.3
56.7
56.7
60.0
60.0
64.4
64.4
66.7
66.7
71.1
71.1
77.8
77.8
83.3
83.3
86.7
86.7
94.4
94.4
100
100
111
111
122
122
133
133
144
144
167
167
178
178
189
189
mA
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
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103.0
93.6
107.0
96.8
114.0
103.0
125
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
231
209
268
243
287
259
304
275
6.5
7.2
6.2
6.9
5.8
6.5
5.5
6.1
5.2
5.7
4.9
5.3
4.7
5.2
4.4
4.9
4.0
4.4
3.7
4.1
3.6
4.0
3.3
3.6
3.1
3.4
2.8
3.1
2.6
2.8
2.3
2.6
2.2
2.4
1.9
2.1
1.7
1.9
1.6
1.8
SMAJ78A
SMAJ85
SMAJ85A
SMAJ90
90
90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
100
100
110
110
120
120
130
130
150
150
160
160
170
170
•
•
For Bidirectional device types indicate a C or CA suffix after the part number. (i.e.: SMAJ170CA or SMAJ170C). Bidirectional
capacitance is half that shown in figure 4 at zero volts.
Microsemi Corp’s SMA series (500 W) surface mountable packages are designed specifically for transient voltage suppression. The
wide leads assure a large surface contact for good heat dissipation, and a low resistance path for surge current flow to ground. These
high speed transient voltage suppressors can be used to effectively protect sensitive components such as integrated circuits and MOS
devices.
SYMBOLS & DEFINITIONS
Symbol
VWM
PPP
Definition
Working Peak (Standoff) Voltage
Peak Pulse Power
Symbol
Definition
Peak Pulse Current
IPP
VC
Clamping Voltage
V(BR)
ID
Breakdown Voltage
Standby Current
I(BR)
Breakdown Current for V(BR)
Copyright © 2009
MSC0270A, REV L, 5-24-2009
Microsemi
Page 3
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503