SMAJ5.0A/CA thru
SMAJ170A/CA
400W Surface Mount
Transient Voltage Suppressors
Peak Pulse Power
400 Watt
Stand-off Voltage
5.0 To 170 VOLTS
Feature:
* 400 Watt Peak Power Dissipation
* Glass Passivated Die Construction
* Excellent Clamping Capability Fast Response Time
* Plastic Material Has UL Flammability Classification Rating 94V-O
Mechanical Data
* Case: Transfer Molded Epoxy
* Polarity: Indicator by Cathode Band
(Bi-directional Devices Has no Polarity Indicator)
* Terminals: Solderable per MIL-STD-202 Method 208
* Weight: 0.064grams(approx)
SMA(DO-214AC)
Maximum Ratings
Characteristics
Peak Pulse Power Dissipation
on 10/1000us Waveform(1)(2)(FIG1)
Peak Pulse Current of
on 10/1000us Waveform(FIG3)
Peak Forward Surge Current 8.3ms Single
Half Sine-Wave, Superimposed on Rated
Load(JEDEC Method)(2)(3)
Operating and Storage Junction Temperature
Range
Symbol
Value
400
see
Table
Unit
W
A
P
PPM
I
PPM
I
FSM
40
A
Tj, T
STG
-55 to -150
C
NOTE: 1. Non-Repetitive Current Pulse, per FIG3 and Derated above TA=25 C per FIG2
2
2. Mounted on 5.0mm Copper Pads to each Terminal
3. 8.3ms Single Half Sine-Wave, or equivalent Square Wave, Duty Cycle=4 pulses per minutes Maximum.
WEITRON
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SMAJ5.0A/CA thru
SMAJ170A/CA
Electrical characteristics
DEVICE REVERSE
BREAK DOWN
REVERSE
TEST MAXIMUM
PEAK
MARKING STAND-
VOLTAGE
CURRE CLAMPING PULSE LEAKAGE
PART NUMBER
OFF
CODE
NT
VOLTAGE CURRENT @ V
RWM
V
BR
(V)(2)
VOLTAGE V
BR
(V)(1)
I
T
(mA) @Ipp Vc(V) Ipp (A)
I
R
(µA)(3)
UNI- POLAR BI-POLAR(1) UNI
BI
V
RWM
(V)
MIN.@I
T
MAX.@I
T
SMAJ5.0A SMAJ5.0CA AE
WE
5.0
6.40
7.00
10
9.2
43.5
800
SMAJ6.0A SMAJ6.0CA AG WG
6.0
6.67
7.37
10
10.3
38.8
800
SMAJ6.5A SMAJ6.5CA AK
WK
6.5
7.22
7.98
10
11.2
35.7
500
SMAJ7.0A SMAJ7.0CA AM WM
7.0
7.78
8.60
10
12.0
33.3
200
SMAJ7.5A SMAJ7.5CA AP
WP
7.5
8.33
9.21
1
12.9
31.0
100
SMAJ8.0A SMAJ8.0CA AR WR
8.0
8.89
9.83
1
13.6
29.4
50
SMAJ8.5A SMAJ8.5CA AT
WT
8.5
9.44
10.40
1
14.4
27.8
20
SMAJ9.0A SMAJ9.0CA AV
WV
9.0
10.00
11.10
1
15.4
26.0
10
SMAJ10A
SMAJ10CA AX
WX
10.0
11.10
12.30
1
17.0
23.5
5
SMAJ11A
SMAJ11CA AZ
WZ
11.0
12.20
13.50
1
18.2
22.0
5
SMAJ12A
SMAJ12CA BE XE
12.0
13.30
14.70
1
19.9
20.1
5
SMAJ13A
SMAJ13CA BG XG
13.0
14.40
15.90
1
21.5
18.6
5
SMAJ14A
SMAJ14CA BK XK
14.0
15.60
17.20
1
23.2
17.2
5
SMAJ15A
SMAJ15CA BM XM
15.0
16.70
18.50
1
24.4
16.4
5
SMAJ16A
SMAJ16CA BP XP
16.0
17.80
19.70
1
26.0
15.4
5
SMAJ17A
SMAJ17CA BR XR
17.0
18.90
20.90
1
27.6
14.5
5
SMAJ18A
SMAJ18CA
BT
XT
18.0
20.00
22.10
1
29.2
13.7
5
SMAJ20A
SMAJ20CA BV XV
20.0
22.20
24.50
1
32.4
12.3
5
SMAJ22A
SMAJ22CA BX XX
22.0
24.40
26.90
1
35.5
11.3
5
SMAJ24A
SMAJ24CA
BZ
XZ
24.0
26.70
29.50
1
38.9
10.3
5
SMAJ26A
SMAJ26CA CE
YE
26.0
28.90
31.90
1
42.1
9.5
5
SMAJ28A
SMAJ28CA CG YG
28.0
31.10
34.40
1
45.4
8.8
5
SMAJ30A
SMAJ30CA CK
YK
30.0
33.30
36.80
1
48.4
8.3
5
SMAJ33A
SMAJ33CA CM YM
33.0
36.70
40.60
1
53.3
7.5
5
SMAJ36A
SMAJ36CA CP
YP
36.0
40.00
44.20
1
58.1
6.9
5
SMAJ40A
SMAJ40CA CR YR
40.0
44.40
49.10
1
64.5
6.2
5
SMAJ43A
SMAJ43CA CT
YT
43.0
47.80
52.80
1
69.4
5.8
5
SMAJ45A
SMAJ45CA CV
YV
45.0
50.00
55.30
1
72.7
5.5
5
SMAJ48A
SMAJ48CA CX
YX
48.0
53.30
58.90
1
77.4
5.2
5
SMAJ51A
SMAJ51CA CZ
YZ
51.0
56.70
62.70
1
82.4
4.9
5
SMAJ54A
SMAJ54CA RE ZE
54.0
60.00
66.30
1
87.1
4.6
5
SMAJ58A
SMAJ58CA RG ZG
58.0
64.40
71.20
1
93.6
4.3
5
SMAJ60A
SMAJ60CA RK ZK
60.0
66.70
73.70
1
96.8
4.1
5
SMAJ64A
SMAJ64CA RM ZM
64.0
71.10
78.60
1
103.0
3.9
5
SMAJ70A
SMAJ70CA RP ZP
70.0
77.80
86.00
1
113.0
3.5
5
SMAJ75A
SMAJ75CA RR ZR
75.0
83.30
92.10
1
121.0
3.3
5
SMAJ78A
SMAJ78CA RT
ZT
78.0
86.70
95.80
1
126.0
3.2
5
SMAJ85A
SMAJ85CA RV ZV
85.0
94.40
104.00
1
137.0
2.9
5
SMAJ90A
SMAJ90CA RX ZX
90.0
100.00
111.00
1
146.0
2.7
5
SMAJ100A SMAJ100CA RZ
ZZ
100.0
111.00
123.00
1
162.0
2.5
5
VE
SMAJ110A
SMAJ110CA
SE
110.0
122.00
135.00
1
177.0
2.3
5
VG
SMAJ120A
SMAJ120CA
SG
120.0
133.00
147.00
1
193.0
2.1
5
VK
SMAJ130A
SMAJ130CA
SK
130.0
144.00
159.00
1
209.0
1.9
5
SMAJ150A
SMAJ150CA
SM
VM
150.0
167.00
185.00
1
243.0
1.6
5
SMAJ160A
SMAJ160CA
SP
160.0
178.00
197.00
1
259.0
1.5
5
VP
VR
SMAJ170A
SMAJ170CA
SR
170.0
189.00
209.00
1
275.0
1.5
5
NOTE: 1. Suffix C denotes Bi-direction device, Suffix A denotes the V
BR
is
+
5%
for parts without A , the V
BR
is + 10%.
2. V
BR
messured with I
T
Current pulse=300us.
3. For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
SMAJ
WEITRON
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SMAJ5.0A/CA thru
SMAJ170A/CA
P eak P uls e P ower (P
P P
) or C urrent (I
P P M
)
Derating in P ercentage, %
100
100
P
P P M
— P eak P uls e P ower (kW)
Non-repetitive P uls e
Waveform s hown in F IG . 3
T
A
= 25
o
C
10
75
S MAJ 85 --
S MAJ 170
1
S MAJ 5.0 --
S MAJ 78
50
25
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0
0
25
50
75
100
125
150
175
200
0.2 x 0.2" (5.0 x 5.0mm)
C opper P ad Areas
0.1
0.1 ms
1.0ms
10 ms
100 ms
1.0ms
10ms
t
d
— P uls e Width (s ec.)
T
A
— Ambient Temperature (
o
C )
FIG.1 – Peak Pulse Power Rating Curve
150
10,000
FIG. 2 –Pulse Derating Curve
I
P P M
— P eak P uls e C urrent, % I
R S M
100
P eak Value
I
P P M
C
J
— J unction C apacitance (pF )
tr = 10
u
s ec.
T
J
= 25
o
C
P uls e Width (td)
is defined as the point
where the peak current
decays to 50% of I
P P M
T
J
= 25
o
C
f = 1.0MHz
V s ig = 50mV p-p
1,000
Meas ured at
S tand-Off
Voltage, V
WM
Uni-Directional
100
Half Value — IP P
2
I
P P M
50
10/1000 s ec. Waveform
as defined by R .E .A.
td
0
0
1.0
2.0
3.0
4.0
B i-Directional
10
1
10
100
200
t — Time (ms )
V
WM
— R evers e S tand-off Voltage (V )
FIG. 3 – Pulse Wavef orm
I
F S M
— P eak F orward S urge C urrent (A)
1000
200
FIG. 4 – Typical Junction Capacitance
T
J
= T
J
max.
8.3ms S ingle Half S ine-Wave
(J E DE C Method)
Trans ient T hermal Impedance (
o
C /W)
100
100
50
10
1
0.001
0.01
0.1
1
10
100
1000
10
1
5
10
50
100
t
p
— P uls e Duration (s ec)
Number of C ycles at 60 Hz
FIG.5 – Typical Transient Thermal
Impedance
FIG.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
WEITRON
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Unit:mm
C
D
Dim
A
B
C
D
E
G
H
J
SMA
Min
2.20
4.00
1.27
0.15
4.48
0.10
0.76
1.70
Max
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
嵌入式系统
