Transient Voltage Suppressors (TVS)
SMAJ Series
Description
The SMAJ series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Features
l Fast response time
l Low incremental surge resistance
l Matte tin lead–free Plated
l Halogen free and RoHS compliant
Electrical symbol
l Typical IR less than 1μA above 10V
l Compatible with industrial standard package DO-214AC
l For surface mounted applications to optimize board space
BI
l 400W peak pulse power capability with at 10/1000μs
Anode
Cathode
waveform, repetition rate (duty cycle): 0.01%
l High temperature soldering:260°C/10 seconds at terminals
UNI
Part Number Code
S
M
A
J
Series code
x
x
x
C
Reverse
Stand-Off
Voltage
A
5% Voltage
Tolerance
Blank:Uni-Directional
C:Bi-Directional
Mechanical Characteristics
Rating
Symbol
Value
Units
Peak Pulse Power Dissipation at TA=25ºC by 10/1000μs Waveform (Fig.2)(Note
1), (Note 2)
PPP
400
W
Power Dissipation on Infinite Heat Sink at TL=75°C(Fig.6)
PD
3.0
W
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)
IFSM
40
A
TJ
-55 to 150
°C
TSTG
-55 to 150
°C
Operating Temperature Range
Storage Temperature Range
Notes:
1. Non-repetitive current pulse, per Fig.4 and derated above TA=25ºC per Fig. 3.
2. Mounted on 5.0x5.0mm copper pad to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only.
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2018-06-22
Page:1
Transient Voltage Suppressors (TVS)
SMAJ Series
Electrical Characteristics
Type Number
Reverse
Stand-Off
Voltage
Marking
VRWM
Breakdown
Voltage
VBR @IT
Min
Max
Test
Current
Max.
Max.
Clamping Peak Pulse Reverse
Voltage
Current Leakage
10/1000μs 10/1000μs
IT
VC@IPP
IPP
IR@VRWM
UNI
BI
UNI
BI
V
V
V
mA
V
A
µA
SMAJ5.0A
SMAJ5.0CA
HE
TE
5.0
6.40
7.00
10
9.2
43.5
800
SMAJ6.0A
SMAJ6.0CA
HG
TG
6.0
6.67
7.37
10
10.3
38.8
800
SMAJ6.5A
SMAJ6.5CA
HK
TK
6.5
7.22
7.98
10
11.2
35.7
500
SMAJ7.0A
SMAJ7.0CA
HM
TM
7.0
7.78
8.60
10
12.0
33.3
200
SMAJ7.5A
SMAJ7.5CA
HP
TP
7.5
8.33
9.21
1
12.9
31.0
100
SMAJ8.0A
SMAJ8.0CA
HR
TR
8.0
8.89
9.83
1
13.6
29.4
50
SMAJ8.5A
SMAJ8.5CA
HT
TT
8.5
9.44
10.40
1
14.4
27.8
10
SMAJ9.0A
SMAJ9.0CA
HV
TV
9.0
10.00
11.10
1
15.4
26.0
5
SMAJ10A
SMAJ10CA
HX
TX
10.0
11.10
12.30
1
17.0
23.5
5
SMAJ11A
SMAJ11CA
HZ
TZ
11.0
12.20
13.50
1
18.2
22.0
1
SMAJ12A
SMAJ12CA
IE
UE
12.0
13.30
14.70
1
19.9
20.1
1
SMAJ13A
SMAJ13CA
IG
UG
13.0
14.40
15.90
1
21.5
18.6
1
SMAJ14A
SMAJ14CA
IK
UK
14.0
15.60
17.20
1
23.2
17.2
1
SMAJ15A
SMAJ15CA
IM
UM
15.0
16.70
18.50
1
24.4
16.4
1
SMAJ16A
SMAJ16CA
IP
UP
16.0
17.80
19.70
1
26.0
15.4
1
SMAJ17A
SMAJ17CA
IR
UR
17.0
18.90
20.90
1
27.6
14.5
1
SMAJ18A
SMAJ18CA
IT
UT
18.0
20.00
22.10
1
29.2
13.7
1
SMAJ20A
SMAJ20CA
IV
UV
20.0
22.20
24.50
1
32.4
12.3
1
SMAJ22A
SMAJ22CA
IX
UX
22.0
24.40
26.90
1
35.5
11.3
1
SMAJ24A
SMAJ24CA
IZ
UZ
24.0
26.70
29.50
1
38.9
10.3
1
SMAJ26A
SMAJ26CA
JE
VE
26.0
28.90
31.90
1
42.1
9.5
1
SMAJ28A
SMAJ28CA
JG
VG
28.0
31.10
34.40
1
45.4
8.8
1
SMAJ30A
SMAJ30CA
JK
VK
30.0
33.30
36.80
1
48.4
8.3
1
SMAJ33A
SMAJ33CA
JM
VM
33.0
36.70
40.60
1
53.3
7.5
1
SMAJ36A
SMAJ36CA
JP
VP
36.0
40.00
44.20
1
58.1
6.9
1
SMAJ40A
SMAJ40CA
JR
VR
40.0
44.40
49.10
1
64.5
6.2
1
SMAJ43A
SMAJ43CA
JT
VT
43.0
47.80
52.80
1
69.4
5.8
1
SMAJ45A
SMAJ45CA
JV
VV
45.0
50.00
55.30
1
72.7
5.5
1
SMAJ48A
SMAJ48CA
JX
VX
48.0
53.30
58.90
1
77.4
5.2
1
SMAJ51A
SMAJ51CA
JZ
VZ
51.0
56.70
62.70
1
82.4
4.9
1
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2018-06-22
Page:2
Transient Voltage Suppressors (TVS)
SMAJ Series
Electrical Characteristics
Type Number
Reverse
Stand-Off
Voltage
Marking
VRWM
Breakdown
Voltage
VBR @IT
Min
Max
Test
Current
Max.
Max.
Clamping Peak Pulse Reverse
Voltage
Current Leakage
10/1000μs 10/1000μs
IT
VC@IPP
IPP
IR@VRWM
UNI
BI
UNI
BI
V
V
V
mA
V
A
µA
SMAJ54A
SMAJ54CA
RE
WE
54.0
60.00
66.30
1
87.1
4.6
1
SMAJ58A
SMAJ58CA
RG
WG
58.0
64.40
71.20
1
93.6
4.3
1
SMAJ60A
SMAJ60CA
RK
WK
60.0
66.70
73.70
1
96.8
4.1
1
SMAJ64A
SMAJ64CA
RM
WM
64.0
71.10
78.60
1
103.0
3.9
1
SMAJ70A
SMAJ70CA
RP
WP
70.0
77.80
86.00
1
113.0
3.5
1
SMAJ75A
SMAJ75CA
RR
WR
75.0
83.30
92.10
1
121.0
3.3
1
SMAJ78A
SMAJ78CA
RT
WT
78.0
86.70
95.80
1
126.0
3.2
1
SMAJ85A
SMAJ85CA
RV
WV
85.0
94.40
104.00
1
137.0
2.9
1
SMAJ90A
SMAJ90CA
RX
WX
90.0
100.0
111.00
1
146.0
2.7
1
SMAJ100A
SMAJ100CA
RZ
WZ
100.0
111.0
123.00
1
162.0
2.5
1
SMAJ110A
SMAJ110CA
SE
XE
110.0
122.0
135.00
1
177.0
2.3
1
SMAJ120A
SMAJ120CA
SG
XG
120.0
133.0
147.00
1
193.0
2.1
1
SMAJ130A
SMAJ130CA
SK
XK
130.0
144.0
159.00
1
209.0
1.9
1
SMAJ150A
SMAJ150CA
SM
XM
150.0
167.0
185.00
1
243.0
1.6
1
SMAJ160A
SMAJ160CA
SP
XP
160.0
178.0
197.00
1
259.0
1.5
1
SMAJ170A
SMAJ170CA
SR
XR
170.0
189.0
209.00
1
275.0
1.5
1
SMAJ180A
SMAJ180CA
ST
XT
180.0
201.0
222.00
1
292.0
1.4
1
SMAJ190A
SMAJ190CA
SV
XV
190.0
209.0
233.00
1
306.0
1.3
1
SMAJ200A
SMAJ200CA
SX
XX
200.0
224.0
247.00
1
324.0
1.2
1
SMAJ210A
SMAJ210CA
SZ
XZ
210.0
231.0
258.00
1
324.0
1.1
1
SMAJ220A
SMAJ220CA
ZE
YE
220.0
246.0
272.00
1
356.0
1.1
1
SMAJ250A
SMAJ250CA
ZG
YG
250.0
279.0
309.0
1
405.0
1.0
1
SMAJ300A
SMAJ300CA
ZK
YK
300.0
335.0
371.0
1
486.0
0.8
1
SMAJ350A
SMAJ350CA
ZM
YM
350.0
391.0
432.0
1
567.0
0.7
1
SMAJ400A
SMAJ400CA
ZP
YP
400.0
447.0
494.0
1
648.0
0.6
1
SMAJ440A
SMAJ440CA
ZR
YR
440.0
492.0
543.0
1
713.0
0.6
1
Notes: For bidirectional type having VR of 10V and less, the IR limit is double.
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2018-06-22
Page:3
Transient Voltage Suppressors (TVS)
SMAJ Series
I-V Curve Characteristics
Uni-directional
I
Bi-directional
IPP
VC VBR VR
IR VF
IT
IT
IR
VC VBR VR
V
IR
IT
VR VBR VC
V
IPP
IPP
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating Curve
100
PPPM-Peak Pulse Power (kW)
Voltage or Current
Voltage Transients
Voltage Across TVS
Current Through TVS
TJ initial = Tamb
10
stacked-die, 600W
at 10x1000μs, 25°C
1
0.1
0.001
0.01
0.1
1
10
td-Pulse Width (ms)
Time
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Single die, 400W
at 10x1000μs, 25°C
Revised: 2018-06-22
Page:4
Transient Voltage Suppressors (TVS)
SMAJ Series
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
Figure 3 - Pulse Derating Curve
Figure 4 - Pulse Waveform
100
IPPM - Peak Pulse Cur rent, % IRSM
150
80
60
40
20
0
0
25
50
75
100
125
150
tr=10μsec
Peak Value
IPPM
100
Half Value
IPPM ( IPPM )
2
50
10/1000μsec.Waveform
as defined by R.E.A
td
0
175
0
1.0
Bi-directional V=0V
Uni-directional V=0V
Cj (pF)
Uni-directional @VR
100
Bi-directional @VR
Tj=25ºC
f=1.0MHz
Vsig=50mVp-p
1
10.0
100.0
VBR - Reverse Breakdown Voltage (V)
1000.0
PM(AV), Steady State Power Dissipation (W)
10000
1.0
3.0
4.0
Figure 6 - Steady State Power Derating Curve
Figure 5 - Typical Junction Capacitance
10
2.0
t-Time(ms)
TA-Ambient temperature (ºC)
1000
TJ =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
3.0
2.4
1.8
1.2
60Hz Resistive or
Inductive Load
0.6
0.0
0
25
50
75
100
125
150
175
200
TL-Lead Temperature(ºC)
Figure 7 - Maximum Non-Repetitive Surge Current
IFSM - Peak Forward Surve Current
(A)
60
50
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
40
30
20
10
0
1
10
100
Number of Cycles at 60 Hz
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2018-06-22
Page:5
Transient Voltage Suppressors (TVS)
SMAJ Series
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Reflow Condition
TP
Ramp-up
Critical Zone
TL to TP
TL
Pre
Heat
Temperature
TS(max)
Ramp-down
TS(min)
Preheat
Time to peak temperature
(t 25℃ to peak)
-Temperature Min (Ts(min))
150°C
-Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 -180 Seconds
Average ramp up rate ( Liquids
Temp TL) to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
Reflo
w
25
Pb - Free assembly
Time
- Temperature (TL)
(Liquids)
217°C
- Time (min to max) (ts)
60 -150 Seconds
Peak Temperature (TP)
260 +0/-5°C
Time within 5°C of actual peak
Temperature (tp)
20 - 40 Seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max
Do not exceed
260°C
Part Marking System
Cathode band(for Uni-directional products only)
RUILON
XX XXX
Date Code
Product Code
Marking code
Dimensions
Millimeters
Cathode
Band
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Inches
DIM
Revised: 2018-06-22
Min
Max
Min
Max
A
1.25
1.80
0.049
0.071
B
3.99
4.60
0.157
0.181
C
2.50
2.80
0.100
0.110
D
1.90
2.45
0.075
0.096
E
0.76
1.52
0.030
0.060
G
4.80
5.30
0.189
0.209
I
1.800
-
0.070
-
J
2.100
-
0.082
-
K
-
2.300
-
0.090
L
2.100
-
0.082
-
Page:6
Transient Voltage Suppressors (TVS)
SMAJ Series
Taping and Reel Specifications
Symbol
Millimeters
Inches
W
12±0.3
0.472±0.012
P
4±0.1
0.157±0.004
F
5.5±0.1
0.217±0.004
E
1.75±0.1
0.069±0.004
D
1.5+0.1/-0.0
0.059+0.004/-0.0
P0
4±0.1
0.157±0.004
P2
2±0.1
0.079±0.004
D0
16.7±0.15
0.657±0.006
D1
178±2
7.007±0.079
D2
59.6+1/-2
2.346+0.039/-0.079
W1
12.64±0.4
0.498±0.016
Direction of Unreeling
Part Number
Component
package
Quantity
Packaging option
Packaging specification
SMAJXXXA/CA
DO-214AC(SMA)
2000
Tape&Reel-12mm/7”tape
EIA STD RS-481
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2018-06-22
Page:7
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