SMAJ5.0A ~ 188CA
Stand-off Voltage :
5.0 to 188V
Peak Pulse Power :
400 W
* 400W surge capability at 1ms
* Optimized for LAN protection applications
* Excellent clamping capability
* Low zener impedance
* Fast response time : typically less
then 1.0 ps from 0 volt to V
BR(min.)
* Typical I
R
less then 1µA above 10V
SURFACE MOUNT TRANSIENT
VOLTAGE SUPPRESSOR
SMA (DO-214AC)
5.0
±
0.15
4.5
±
0.15
FEATURES :
1.1
±
0.3
1.2
±
0.2
2.6
±
0.15
2.1
±
0.2
0.2
±
0.07
MECHANICAL DATA
* Case : SMA Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.064 grams
2.0
±
0.2
Dimensions in millimeter
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified.
Rating
Peak Pulse Power Dissipation (Note1,2,5) Fig. 4
Peak Forward Surge Current per Fig. 5 (Note 3)
Peak Pulse Current on 10/1000µs
waveform (Note 1, Fig. 1)
Steady State Power Dissipation (Note 4)
Operating Junction and Storage Temperature Range
Notes :
Symbol
P
PPM
I
FSM
I
PPM
P
M(AV)
T
J,
T
STG
Value
Minimum 400
40
See Table
1.0
- 55 to + 150
Units
W
A
A
W
°
C
(1) Non-repetitive Current pulse, per Fig. 3 and derated above Ta = 25
°
C per Fig. 1
(2) Mounted on 0.2 x 0.2"(5.0 x 5.0 mm) copper pads to each terminal.
(3) 8.3ms single half sine-wave duty cycle=4 pulses per minutes maximum.
(4) Lead temperature at T
L
=75
°
C
(5) Peak pulse power waveform is 10/1000µs.
Page 1 of 3
Rev.02 : February 3, 2004
ELECTRICAL CHARACTERISTICS
(Rating at 25°C ambient temperature unless otherwise specified)
Type No.
Uni-directional
SMAJ5.0A
SMAJ6.0A
SMAJ6.5A
SMAJ7.0A
SMAJ7.5A
SMAJ8.0A
SMAJ8.5A
SMAJ9.0A
SMAJ10A
SMAJ11A
SMAJ12A
SMAJ13A
SMAJ14A
SMAJ15A
SMAJ16A
SMAJ17A
SMAJ18A
SMAJ20A
SMAJ22A
SMAJ24A
SMAJ26A
SMAJ30A
SMAJ33A
SMAJ36A
SMAJ40A
SMAJ43A
SMAJ45A
SMAJ48A
SMAJ51A
SMAJ54A
SMAJ58A
SMAJ60A
SMAJ64A
SMAJ70A
SMAJ75A
SMAJ78A
SMAJ85A
SMAJ90A
SMAJ100A
SMAJ110A
SMAJ120A
SMAJ130A
SMAJ150A
SMAJ160A
SMAJ170A
SMAJ188A
Notes:
(1)
(2)
(3)
(4)
(5)
Pulse test : tp <50 ms.
For bidirectional use C or CA suffix.
For bi-directional types have V
WM
of 10 Volts and less , the I
D
limit is doubled
For the bi-directional SMAJ5.0CA, the maximum V
BR
is 7.25V
"SMAJ" will be omitted in marking on the diode.
Bi-directional
SMAJ5.0CA
(4)
SMAJ6.0CA
SMAJ6.5CA
SMAJ7.0CA
SMAJ7.5CA
SMAJ8.0CA
SMAJ8.5CA
SMAJ9.0CA
SMAJ10CA
SMAJ11CA
SMAJ12CA
SMAJ13CA
SMAJ14CA
SMAJ15CA
SMAJ16CA
SMAJ17CA
SMAJ18CA
SMAJ20CA
SMAJ22CA
SMAJ24CA
SMAJ26CA
SMAJ30CA
SMAJ33CA
SMAJ36CA
SMAJ40CA
SMAJ43CA
SMAJ45CA
SMAJ48CA
SMAJ51CA
SMAJ54CA
SMAJ58CA
SMAJ60CA
SMAJ64CA
SMAJ70CA
SMAJ75CA
SMAJ78CA
SMAJ85CA
SMAJ90CA
SMAJ100CA
SMAJ110CA
SMAJ120CA
SMAJ130CA
SMAJ150CA
SMAJ160CA
SMAJ170CA
SMAJ188CA
Breakdown Voltage @ I
T
(1)
Working Peak
Reverse
Voltage
V
WM
(V)
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10
11
12
13
14
15
16
17
18
20
22
24
26
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
85
90
100
110
120
130
150
160
170
188
V
BR
(V)
Min.
6.40
6.67
7.22
7.78
8.33
8.89
9.44
10.0
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
33.3
36.7
40.0
44.4
47.8
50.0
53.3
56.7
60.0
64.4
66.7
71.1
77.8
83.3
86.7
94.4
100
111
122
133
144
167
178
189
209
Max.
7.07
7.37
7.98
8.6
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
78.6
86
92.1
95.8
104
111
123
135
147
159
185
197
209
231
I
T
(mA)
10
10
10
10
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
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
Maximum
Reverse
Leakage
@ V
WM
I
D
(µA)
800
800
500
200
100
50
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Peak Pulse
Surge Current
I
PPM
(A)
43.5
38.8
35.7
33.3
31.0
29.4
27.8
26.0
23.5
22.0
20.1
18.6
17.2
16.4
15.4
14.5
13.7
12.3
11.3
10.3
9.5
8.3
7.5
6.9
6.2
5.7
5.5
5.2
4.9
4.6
4.3
4.1
3.9
3.5
3.3
3.2
2.2
2.1
1.9
1.7
1.6
1.4
1.2
1.2
1.09
0.91
Maximum
Clamping
Voltage @ I
PPM
V
C
(V)
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103
113
121
126
137
146
162
177
193
209
243
259
275
328
Page 2 of 3
Rev. 02 : February 3, 2004
RATING AND CHARACTERISTIC CURVES ( SMAJ5.0A - SMAJ188CA )
FIG.1 - PULSE DERATING CURVE
6,000
FIG.2 - TYPICAL JUNCTION CAPACITANCE
PEAK PULSE POWER OR CURRENT
DERATING IN PERCENTAGE
120
C
J
, CAPACITANCE, pF
100
80
1,000
Measured at
Stand-off Voltage
Voltage V
WM
60
100
40
T
J
= 25
°
C
f = 1.0 MHz
Vsig = 50 mV
P-P
20
0
0
25
50
75
100
125
150
175
10
1
2
10
20
100
200
Ta, AMBIENT TEMPERATURE, (
°
C)
V
WM
, REVERSE STAND-OFF VOLTAGE, (V)
FIG.4 - PEAK PULSE POWER RATING CURVE
100
FIG.3 - PULSE WAVEFORM
I
PPM
, PEAK PULSE CURRENT, %
tr = 10µs
100
Peak Value
I
PPM
Ta=25
°C
Pulse Width (td) is defined
as that point where the peak
current decays to 50%
of I
PPM
P
PPM
,PEAK POWER (kW)
NON-REPETITIVE
PULSE WAVEFORM
SHOW IN FIG. 3 ,Ta=25°C
10
SMAJ5.0 -
SMAJ78A
1.0
SMAJ85 -
SMAJ188A
0.1
0.1µs
50
Half Value - I
PPM
2
10/1000
µs.
Waveform as
defined by R.E.A.
td
0
0
1.0
2.0
3.0
4.0
t, TIME(ms)
1.0µs
10µs
100µs
1.0ms
10ms
td, PULSE WIDTH, SEC
FIG.5 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD CURRENT,
AMPERES
50
T
J
= T
J
max
8.3 ms Single half sine-wave
JEDEC Method
40
30
20
10
0
1
5
10
50
100
NUMBER OF CYCLES AT 60 Hz
Page 3 of 3
Rev.02 : February 3, 2004
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