SMAJ Series
Surface Mount Transient Voltage Suppressor Power 400W
FEATURES
PINNING
• For surface mounted applications in order to
PIN
optimize board space.
• Low profile package
DESCRIPTION
1
Cathode
2
Anode
• Glass passivated junction
• Low inductance
• Plastic package has Underwriters Laboratory
Flammability
MECHANICAL DATA
Bipolar
Unipolar
• Case: SMA
Simplified outline SMA and symbol
• Terminals: Solderable per MIL-STD-750, Method 202 6
• A pprox. Weight: 0.055g / 0.002oz
Maximum Ratings and Electrical characteristics
Ratings at 25 °C ambient temperature unless otherwise specified.
Parameter
Peak Pulse Power Dissipation on T A =2 5°C (Note 1,2,4, Fig1)
Peak Forward Surge Current (Note 3,Fig 4)
Symbol
Value
Unit
P PPM
400
W
I FSM
60
A
see Table 1
A
30
30
kV
(UNI)
Peak Pulse Current on 10/1000 us waveform (Note 1, Fig 3)
ESD Voltage per IEC6100-4-2
Contact
Air
I PPM
V ESD1
V ESD2
Typical Thermal Resistance Junction to Ambient(Note 2)
RθJA
Operating Junction Temperature and Storage Temperature Range
T j , T stg
30
-65 ~ +150
NOTES:
1. Non-repetitive current pulse, per Fig.3 and derated above T A = 25°C per Fig. 2.
2. Mounted on 5mm 2 copper pads to each terminal.
3. Peak Forward Surge Current : 8.3ms single half sine-wave Superimposed on rated load (JEDEC method).
4. Peak pulse power waveform is 10/1000μS.
version: 02
http://www.trr-jx.com
°C/W
°C
SMAJ Series
Surface Mount Transient Voltage Suppressor Power 400W
Characteristics at Ta = 25°C
Table 1
Reverse
Stand-off
Voltage
Type
Breakdown
Voltage
V BR @ I T
Reverse
Leakage
Max. Clamp
Voltage
IT
I R @ V RRM
V C @ I PP
I PP
Test
Current
Package
Peak Pulse
Current
SMA
Device Marking Ccode
V RRM
Min
Max
BI
V
V
V
mA
μA
V
A
UNI
BI
SMAJ5.0A
SMAJ5.0CA
5
6.4
7
10
800
9.2
43.5
AE
WE
SMAJ6.0A
SMAJ6.0CA
6
6.67
7.37
10
800
10.3
38.8
AG
WG
SMAJ6.5A
SMAJ6.5CA
6.5
7.22
7.98
10
500
11.2
35.7
AK
WK
SMAJ7.0A
SMAJ7.0CA
7
7.78
8.6
10
200
12.0
33.3
AM
WM
SMAJ7.5A
SMAJ7.5CA
7.5
8.33
9.21
1
100
12.9
31.0
AP
WP
SMAJ8.0A
SMAJ8.0CA
8
8.89
9.83
1
50
13.6
29.4
AR
WR
SMAJ8.5A
SMAJ8.5CA
8.5
9.44
10.4
1
20
14.4
27.8
AT
WT
SMAJ9.0A
SMAJ9.0CA
9
10
11.1
1
10
15.4
26.0
AV
WV
UNI
SMAJ10A
SMAJ10CA
10
11.1
12.3
1
5
17.0
23.5
AX
WX
SMAJ11A
SMAJ11CA
11
12.2
13.5
1
1
18.2
22.0
AZ
WZ
SMAJ12A
SMAJ12CA
12
13.3
14.7
1
1
19.9
20.1
BE
XE
SMAJ13A
SMAJ13CA
13
14.4
15.9
1
1
21.5
18.6
BG
XG
SMAJ14A
SMAJ14CA
14
15.6
17.2
1
1
23.2
17.2
BK
XK
SMAJ15A
SMAJ15CA
15
16.7
18.5
1
1
24.4
16.4
BM
XM
SMAJ16A
SMAJ16CA
16
17.8
19.7
1
1
26.0
15.4
BP
XP
SMAJ17A
SMAJ17CA
17
18.9
20.9
1
1
27.6
14.5
BR
XR
SMAJ18A
SMAJ18CA
18
20
22.1
1
1
29.2
13.7
BT
XT
SMAJ20A
SMAJ20CA
20
22.2
24.5
1
1
32.4
12.3
BV
XV
XX
SMAJ22A
SMAJ22CA
22
24.4
26.9
1
1
35.5
11.3
BX
SMAJ24A
SMAJ24CA
24
26.7
29.5
1
1
38.9
10.3
BZ
XZ
SMAJ26A
SMAJ26CA
26
28.9
31.9
1
1
42.1
9.5
CE
YE
YG
SMAJ28A
SMAJ28CA
28
31.1
34.4
1
1
45.4
8.8
CG
SMAJ30A
SMAJ30CA
30
33.3
36.8
1
1
48.4
8.3
CK
YK
SMAJ33A
SMAJ33CA
33
36.7
40.6
1
1
53.3
7.5
CM
YM
SMAJ36A
SMAJ36CA
36
40
44.2
1
1
58.1
6.9
CP
YP
SMAJ40A
SMAJ40CA
40
44.4
49.1
1
1
64.5
6.2
CR
YR
SMAJ43A
SMAJ43CA
43
47.8
52.8
1
1
69.4
5.8
CT
YT
SMAJ45A
SMAJ45CA
45
50
55.3
1
1
72.7
5.5
CV
YV
SMAJ48A
SMAJ48CA
48
53.3
58.9
1
1
77.4
5.2
CX
YX
SMAJ51A
SMAJ51CA
51
56.7
62.7
1
1
82.4
4.9
CZ
YZ
SMAJ54A
SMAJ54CA
54
60
66.3
1
1
87.1
4.6
RE
ZE
SMAJ58A
SMAJ58CA
58
64.4
71.2
1
1
93.6
4.3
RG
ZG
SMAJ60A
SMAJ60CA
60
66.7
73.7
1
1
96.8
4.1
RK
ZK
SMAJ64A
SMAJ64CA
64
71.1
78.6
1
1
103.0
3.9
RM
ZM
SMAJ70A
SMAJ70CA
70
77.8
86
1
1
113.0
3.5
RP
ZP
SMAJ75A
SMAJ75CA
75
83.3
92.1
1
1
121.0
3.3
RR
ZR
SMAJ78A
SMAJ78CA
78
86.7
95.8
1
1
126.0
3.2
RT
ZT
SMAJ85A
SMAJ85CA
85
94.4
104
1
1
137.0
2.9
RV
ZV
ZX
SMAJ90A
SMAJ90CA
90
100
111
1
1
146.0
2.7
RX
SMAJ100A
SMAJ100CA
100
111
123
1
1
162.0
2.5
RZ
ZZ
SMAJ110A
SMAJ110CA
110
122
135
1
1
177.0
2.3
SE
VE
VG
SMAJ120A
SMAJ120CA
120
133
147
1
1
193.0
2.1
SG
SMAJ130A
SMAJ130CA
130
144
159
1
1
209.0
1.9
SK
VK
SMAJ150A
SMAJ150CA
150
167
185
1
1
243.0
1.6
SM
VM
SMAJ160A
SMAJ160CA
160
178
197
1
1
259.0
1.5
SP
VP
SMAJ170A
SMAJ170CA
170
189
209
1
1
275.0
1.5
SR
VR
SMAJ180A
SMAJ180CA
180
201
222
1
1
292.0
1.4
ST
VT
SMAJ200A
SMAJ200CA
200
224
247
1
1
324.0
1.2
SV
VV
VX
SMAJ220A
SMAJ220CA
220
246
272
1
1
356.0
1.1
SX
SMAJ250A
SMAJ250CA
250
279
309
1
1
405.0
1.0
SZ
VZ
SMAJ300A
SMAJ300CA
300
335
371
1
1
486.0
0.8
TE
UE
UG
SMAJ350A
SMAJ350CA
350
391
432
1
1
567.0
0.7
TG
SMAJ400A
SMAJ400CA
400
447
494
1
1
648.0
0.6
TK
UK
SMAJ440A
SMAJ440CA
440
492
543
1
1
713.0
0.6
TM
UM
version: 02
http://www.trr-jx.com
SMAJ Series
Surface Mount Transient Voltage Suppressor Power 400W
Characteristic Curves (TA=25 ℃ unless otherwise noted)
Fig.2 Forward Current Derating Curve
100
Non-Repetive Pulse.Wavefom
Shown in Figure.3
T A=25°C
10
1.0
Mounted on 5.0mm
Copper Land Areas
0.1
0.1
10
1
100
1000
10000
PEAK PULSE POWER(P PP)OR CURRENT(I PP)
DERATINGIN PERCENTAGE%
P PPM ,PEAK PULSE FORWARD ,kW
Fig.1 Peak Pulse Power Rating Curve
100
80
60
40
20
0
25
I ppm ,Peak Pulse Current (%)
Peak Value
Pulse Width (td) is Defined
as the Point where the Peak.
Current Decayst to 50% of Ipp
I ppm
80
Half Value-I pp /2
60
10/1000usec Waveform as Defined bye R.E.A.
40
20
0
0
1.0
2.0
T,TIME,ms
version: 02
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3.0
4.0
I FSM ,PEAK FORWARD SURGE CURRENT,
AMPERES
T A=25°C
100
100
125
150
175
Fig.4 Maximum Non-Repetitive Peak
Forward Surge Current
Fig.3 Pulse Waveform
t f =10usec
75
T A,AMBIENT TEMPERATURE,°C
t d,PULSE WIDTH ,us
120
50
60
50
40
30
20
10
T J=T Jmax
8.3ms Single Half Sinepwave
JEDEC Method
0
1
10
Number of Cycles at 60Hz
100
SMAJ Series
Surface Mount Transient Voltage Suppressor Power 400W
PACKAGE OUTLINE
Plastic surface mounted package; 2 leads
A
A
SMA
c
a
VM
e
A
HE
g
e
E
A
D
E
HE
c
e
g
max
2.2
4.5
2.7
5.2
0.31
1.6
1.5
min
1.9
4.0
2.3
4.7
0.15
1.3
0.9
max
87
181
106
205
12
63
59
min
75
157
91
185
6
51
35
UNIT
mm
mil
g
e
A
D
The recommended mounting pad size
2.4
(94)
1.8
(71)
1.8
(71)
1.8
(71)
mm
Unit :
(mil)
version: 02
http://www.trr-jx.com
a
0.3
12
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