UNSEMI SMAJ51

Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
Uni-directional
Description
Bi-directional
The SMAJ series is designed specifically to protect sensitive electronic
equipment from voltage transients induced by lightning and other transient
voltage events.
Features
u
u
u
u
u
u
u
u
u
u
u
u
u
u
u
u
u
u
u
For surface mounted applications in order to optimize board space
Low leakage
Uni and Bidirectional unit
Glass passivated junction
Low inductance
Excellent clamping capability
400W Peak power capability at 10 × 1000µs waveform Repetition rate
(duty cycle):0.01%
Fast response time: typically less than 1.0ps from 0 Volts to VBR min
Typical IR less than 5μA above 12V
High Temperature soldering: 260°C/40 seconds at terminals
Typical maximum temperature coefficient ΔVBR = 0.1% ×
VBR@25°C× ΔT
Plastic package has Underwriters Laboratory Flammability 94V-0
Matte tin lead–free Plated
Halogen free and RoHS compliant
Typical failure mode is short from over-specified voltage or current
Whisker test is conducted based on JEDEC JESD201A per its table
4a and 4c
IEC-61000-4-2 ESD 15kV(Air), 8kV (Contact)
ESD protection of data lines in accordance with IEC 61000-4-2
(IEC801-2)
EFT protection of data lines in accordance with IEC 61000-4-4
(IEC801-4)
Maximum Ratings
Functional Diagram
Bi-directional
Cathode
Anode
Uni-direction
Applications
TVS devices are ideal for the protection of I/O interfaces, VCC
bus and other vulnerable circuits used in Telecom, Computer,
Industrial and Consumer electronic applications.
(TA=25℃ unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak Pulse Power Dissipation with a 10/1000µs waveform (Fig.1)(Note
1), (Note 2)
PPPM
400
Watts
Peak Pulse Current with a 10/1000µs waveform.(Note1,Fig.3)
IPP
See Next Table
Amps
PM(AV)
1.0
Watt
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)
IFSM
40
Amps
Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only
(Note 4)
VF
3.5/5.0
Voltage
TJ , TSTG
-55 to +150
°C
Power Dissipation on Infinite Heat Sink at TL=75°C
Operating junction and Storage Temperature Range.
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C per Fig. 2.
2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.
4. VF < 3.5V for VBR < 200V and VF< 6.5V for VBR > 201V.
UN Semiconductor Co., Ltd.
Revision October 18, 2013
www.unsemi.com.tw
1/7
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
Electrical Characteristics (TA=25℃ unless otherwise noted)
Part Number
Uni
SMAJ5.0
SMAJ5.0A
SMAJ6.0
SMAJ6.0A
SMAJ6.5
SMAJ6.5A
SMAJ7.0
SMAJ7.0A
SMAJ7.5
SMAJ7.5A
SMAJ8.0
SMAJ8.0A
SMAJ8.5
SMAJ8.5A
SMAJ9.0
SMAJ9.0A
SMAJ10
SMAJ10A
SMAJ11
SMAJ11A
SMAJ12
SMAJ12A
SMAJ13
SMAJ13A
SMAJ14
SMAJ14A
SMAJ15
SMAJ15A
SMAJ16
SMAJ16A
SMAJ17
SMAJ17A
SMAJ18
SMAJ18A
SMAJ19
SMAJ19A
SMAJ20
SMAJ20A
SMAJ22
SMAJ22A
SMAJ24
SMAJ24A
SMAJ26
SMAJ26A
SMAJ28
SMAJ28A
SMAJ30
SMAJ30A
SMAJ33
SMAJ33A
SMAJ36
SMAJ36A
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
Bi
SMAJ5.0C
SMAJ5.0CA
SMAJ6.0C
SMAJ6.0CA
SMAJ6.5C
SMAJ6.5CA
SMAJ7.0C
SMAJ7.0CA
SMAJ7.5C
SMAJ7.5CA
SMAJ8.0C
SMAJ8.0CA
SMAJ8.5C
SMAJ8.5CA
SMAJ9.0C
SMAJ9.0CA
SMAJ10C
SMAJ10CA
SMAJ11C
SMAJ11CA
SMAJ12C
SMAJ12CA
SMAJ13C
SMAJ13CA
SMAJ14C
SMAJ14CA
SMAJ15C
SMAJ15CA
SMAJ16C
SMAJ16CA
SMAJ17C
SMAJ17CA
SMAJ18C
SMAJ18CA
SMAJ19C
SMAJ19CA
SMAJ20C
SMAJ20CA
SMAJ22C
SMAJ22CA
SMAJ24C
SMAJ24CA
SMAJ26C
SMAJ26CA
SMAJ28C
SMAJ28CA
SMAJ30C
SMAJ30CA
SMAJ33C
SMAJ33CA
SMAJ36C
SMAJ36CA
SMAJ40C
SMAJ40CA
SMAJ43C
SMAJ43CA
Marking
Uni
AD
AE
AF
AG
AH
AK
AL
AM
AN
AP
AQ
AR
AS
AT
AU
AV
AW
AX
AY
AZ
BD
BE
BF
BG
BH
BK
BL
BM
BN
BP
BQ
BR
BS
BT
BA
BB
BU
BV
BW
BX
BY
BZ
CD
CE
CF
CG
CH
CK
CL
CM
CN
CP
CQ
CR
CS
CT
Bi
WD
WE
WF
WG
WH
WK
WL
WM
WN
WP
WQ
WR
WS
WT
WU
WV
WW
WX
WY
WZ
XD
XE
XF
XG
XH
XK
XL
XM
XN
XP
XQ
XR
XS
XT
XA
XB
XU
XV
XW
XX
XY
XZ
YD
YE
YF
YG
YH
YK
YL
YM
YN
YP
YQ
YR
YS
YT
Reverse
Stand-Off
Voltage
VRWM(V)
5.0
5.0
6.0
6.0
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
8.5
9.0
9.0
10.0
10.0
11.0
11.0
12.0
12.0
13.0
13.0
14.0
14.0
15.0
15.0
16.0
16.0
17.0
17.0
18.0
18.0
19.0
19.0
20.0
20.0
22.0
22.0
24.0
24.0
26.0
26.0
28.0
28.0
30.0
30.0
33.0
33.0
36.0
36.0
40.0
40.0
43.0
43.0
Breakdown
Voltage VBR (V)
@IT
MIN
6.40
6.40
6.67
6.67
7.22
7.22
7.78
7.78
8.33
8.33
8.89
8.89
9.44
9.44
10.00
10.00
11.10
11.10
12.20
12.20
13.30
13.30
14.40
14.40
15.60
15.60
16.70
16.70
17.80
17.80
18.90
18.90
20.00
20.00
21.13
21.10
22.20
22.20
24.40
24.40
26.70
26.70
28.90
28.90
31.10
31.10
33.30
33.30
36.70
36.70
40.00
40.00
44.40
44.40
47.80
47.80
UN Semiconductor Co., Ltd.
Revision October 18, 2013
MAX
7.30
7.37
7.00
7.37
8.15
7.37
8.82
7.98
9.51
8.60
10.20
9.21
10.90
9.83
11.50
10.40
12.20
11.10
13.60
12.30
14.90
13.50
16.30
14.70
17.60
15.90
19.10
17.20
20.40
18.50
21.80
19.70
23.10
20.90
24.40
22.10
25.76
23.30
27.10
24.50
29.80
26.90
32.60
29.50
35.30
31.90
38.00
34.40
40.70
36.80
44.90
40.60
48.90
44.20
54.30
49.10
58.40
52.80
Test
Current
IT
(mA)
10
10
10
10
10
10
10
10
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
1
1
1
1
1
1
1
1
Maximum
Clamping
Voltage
VC
@IPP (V)
9.6
9.2
11.4
10.3
12.3
11.2
13.3
12.0
14.3
12.9
15.0
13.6
15.9
14.4
16.9
15.4
18.8
17.0
20.1
18.2
22.0
19.9
23.8
21.5
25.8
23.2
26.9
24.4
28.8
26.0
30.5
27.6
32.2
29.2
34.0
30.8
35.8
32.4
39.4
35.5
43.0
38.9
46.6
42.1
50.0
45.4
53.5
48.4
59.0
53.3
64.3
58.1
71.4
64.5
76.7
69.4
Maximum
Peak
Pulse
Current
IPP (A)
41.67
43.48
35.09
38.83
32.52
35.71
30.08
33.33
27.97
31.01
26.67
29.41
25.16
27.78
23.67
25.97
21.28
23.53
19.90
21.98
18.18
20.10
16.81
18.60
15.50
17.24
14.87
16.39
13.89
15.38
13.11
14.49
12.42
13.70
11.76
13.00
11.17
12.35
10.15
11.27
9.30
10.28
8.56
9.50
8.00
8.81
7.48
8.26
6.78
7.50
6.22
6.88
5.60
6.20
5.22
5.76
Maximum
Reverse
Leakage IR
@VRWM
(μA)
800
800
800
800
500
500
200
200
100
100
50
50
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
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@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
Electrical Characteristics
Part Number
Uni
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ80
SMAJ80A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ140
SMAJ140A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
SMAJ180
SMAJ180A
SMAJ190
SMAJ190A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
Note:
Bi
SMAJ45C
SMAJ45CA
SMAJ48C
SMAJ48CA
SMAJ51C
SMAJ51CA
SMAJ54C
SMAJ54CA
SMAJ58C
SMAJ58CA
SMAJ60C
SMAJ60CA
SMAJ64C
SMAJ64CA
SMAJ70C
SMAJ70CA
SMAJ75C
SMAJ75CA
SMAJ78C
SMAJ78CA
SMAJ80C
SMAJ80CA
SMAJ85C
SMAJ85CA
SMAJ90C
SMAJ90CA
SMAJ100C
SMAJ100CA
SMAJ110C
SMAJ110CA
SMAJ120C
SMAJ120CA
SMAJ130C
SMAJ130CA
SMAJ140C
SMAJ140CA
SMAJ150C
SMAJ150CA
SMAJ160C
SMAJ160CA
SMAJ170C
SMAJ170CA
SMAJ180C
SMAJ180CA
SMAJ190C
SMAJ190CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
400W
(TA=25℃ unless otherwise noted) (Continue)
Marking
Uni
CU
CV
CW
CX
CY
CZ
RD
RE
RF
RG
RH
RK
RL
RM
RN
RP
RQ
RR
RS
RT
RA
RB
RU
RV
RW
RX
RY
RZ
SD
SE
SF
SG
SH
SK
SA
SB
SL
SM
SN
SP
SQ
SR
SS
ST
SU
SV
SW
SX
SZ
DE
DG
DK
DM
Bi
YU
YV
YW
YX
YY
YZ
ZD
ZE
ZF
ZG
ZH
ZK
ZL
ZM
ZN
ZP
ZQ
ZR
ZS
ZT
ZA
ZB
ZU
ZV
ZW
ZX
ZY
ZZ
VD
VE
VF
VG
VH
VK
VA
VB
VL
VM
VN
VP
VQ
VR
VS
VT
VU
VV
VW
VX
VZ
HE
HG
HK
HM
Reverse
Stand-Off
Voltage
VRWM (V)
45.0
45.0
48.0
48.0
51.0
51.0
54.0
54.0
58.0
58.0
60.0
60.0
64.0
64.0
70.0
70.0
75.0
75.0
78.0
78.0
80.0
80.0
85.0
85.0
90.0
90.0
100.0
100.0
110.0
110.0
120.0
120.0
130.0
130.0
140.0
140.0
150.0
150.0
160.0
160.0
170.0
170.0
180.0
180.0
190.0
190.0
200.0
220.0
250.0
300.0
350.0
400.0
440.0
Breakdown
Voltage VBR (V)
@IT
MIN
50.00
50.00
53.30
53.30
56.70
56.70
60.00
60.00
64.40
64.40
66.70
66.70
71.10
71.10
77.80
77.80
83.30
83.30
86.70
86.70
88.96
88.80
94.40
94.40
100.00
100.00
111.00
111.00
122.00
122.00
133.00
133.00
144.00
144.00
155.68
155.00
167.00
167.00
178.00
178.00
189.00
189.00
201.00
201.00
211.21
211.00
224.00
246.00
279.00
335.00
391.00
447.00
492.00
MAX
61.10
55.30
65.10
58.90
69.30
62.70
73.30
66.30
78.70
71.20
81.50
73.70
86.90
78.60
95.10
86.00
102.00
92.10
106.00
95.80
108.80
97.60
115.00
104.00
122.00
111.00
136.00
123.00
149.00
135.00
163.00
147.00
176.00
159.00
190.40
171.00
204.00
185.00
218.00
197.00
231.00
209.00
244.80
220.00
258.40
232.00
247.00
272.00
309.00
371.00
432.00
494.00
543.00
Test
Current
IT
(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
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum
Clamping
Voltage
VC
@IPP (V)
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
125.0
113.0
134.0
121.0
139.0
126.0
143.2
129.6
151.0
137.0
160.0
146.0
179.0
162.0
196.0
177.0
214.0
193.0
231.0
209.0
250.6
226.8
268.0
243.0
287.0
259.0
304.0
275.0
322.2
291.6
340.1
307.8
324.0
356.0
405.0
486.0
567.0
648.0
713.0
Maximum
Peak
Pulse
Current
IPP (A)
4.98
5.50
4.68
5.17
4.39
4.85
4.15
4.59
3.88
4.27
3.74
4.13
3.51
3.88
3.20
3.54
2.99
3.31
2.88
3.17
2.79
3.09
2.65
2.92
2.50
2.74
2.23
2.47
2.04
2.26
1.87
2.07
1.73
1.91
1.60
1.76
1.49
1.65
1.39
1.54
1.32
1.45
1.24
1.37
1.18
1.30
1.23
1.12
0.99
0.82
0.71
0.62
0.56
Maximum
Reverse
Leakage IR
@VRWM
(μA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
1. Suffix 'A ' denotes 5% tolerance device. Without 'A' denotes 10% tolerance device
2. Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices
3. For Bi-Directional devices having VR of 10 volts and under, the IR limit is double
UN Semiconductor Co., Ltd.
Revision October 18, 2013
www.unsemi.com.tw
3/7
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
PPPM - Peak Pulse Power (kW)
100
10
1
100
80
60
40
20
0
0.1
0.1
1
10
100
td - Pulse Width (μs)
1000
10000
0
Figure 3 - Pulse Waveform
150
175
10000
tr=10µsec
Bi-directional
@zero bins
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
Uni-directional
@zero bins
1000
100
Cj (pF)
IPPM - Peak Pulse Current, % IRSM
50
75
100
125
TA-Ambient temperature(°C)
Figure 4 - Typical Junction Capacitance
150
Half Value
IPPM (IPPM/2)
50
Uni-directional @VRWM
100
10/1000µsec. Waveform
as defined by R.E.A
10
Tj=25°C
f=1.0MHz
Vsig=50mVp-p
tc
0
0
Bi-directional @VRWM
1
1.0
2.0
t - Time (ms)
3.0
1.0
4.0
10.0
100.0
1000.0
VBR-Reverse Breakdown Voltage (V)
Figure 5 - Steady State Power Derating Curve
Figure 6 - Maximum Non-Repetitive Surge Current
1.0
50
IFSM-Peak Forward Surge Current
(A)
PM(AV), Steady State Power Dissipation (W)
25
0.8
0.6
0.4
0.2
0.0
TJ=TJ max.
8.3 ms Single Half Sine-Wave
40
30
20
10
0
0
25
50
75
100
125
150
175
200
1
TL - Lead Temperature(°C)
UN Semiconductor Co., Ltd.
Revision October 18, 2013
10
Number of Cycles at 60Hz
100
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@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
I-V Curve Characteristics
Physical Specifications
Environmental Specifications
Weight
0.002 ounce, 0.061 gram
Temperature Cycle
JESD22-A104
Case
JEDEC DO-214AC Molded Plastic over
glass passivated junction
Pressure Cooker
JESD22-A102
High Temp. Storage
JESD22-A103
HTRB
JESD22-A108
Thermal Shock
JESD22-A106
Polarity
Terminal
Color band denotes cathode except
Bipolar
Matte Tin-plated leads, Solderable per
JESD22-B102D
Soldering Parameters
Reflow Condition
Lead–free assembly
TP
Ramp-up
Critical Zone
TL to TP
Temperature
TL
TS(max)
Pre Heat
-Temperature Min (Ts(min))
150°C
-Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 -180 Seconds
Ramp-down
TS(min)
Preheat
25
Time to peak temperature
(t 25℃ to peak)
Average ramp up rate ( Liquidus Temp TL)
to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (ts)
60 -150 Seconds
Reflow
Time
Peak Temperature (TP)
Time within 5°C
Temperature (tp)
UN Semiconductor Co., Ltd.
Revision October 18, 2013
260 +0/-5°C
of
actual
peak
20 -40 Seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max
Do not exceed
280°C
www.unsemi.com.tw
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@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
Dimensions
Inches
DO-214AC (SMA)
Millimeters
Dimensions
Min
Max
Min
Max
A
0.049
0.064
1.230
1.630
B
0.162
0.179
4.10
4.550
C
0.099
0.109
2.510
2.760
D
0.077
0.089
1.960
2.260
E
0.030
0.060
0.750
1.510
F
-
0.008
-
0.203
G
0.192
0.206
4.87
5.220
H
0.006
0.012
0.152
0.305
I
0.070
-
1.800
-
J
0.082
-
2.100
-
K
-
0.090
-
2.300
L
0.082
-
2.100
-
Cathode Band
Part Numbering
SMAJ×××CA
5% VBR VOLTAGE TOLERANCE
BI-DIRECTIONAL
VR VOLTAGE
SERIES
UN Semiconductor Co., Ltd.
Revision October 18, 2013
www.unsemi.com.tw
6/7
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors (TVS)
SMAJ Series
5.0 To 440 V
400W
Packaging
Part Number
Component
Package
Quantity
SMAJXXXXX
DO-214AC (SMA)
1000
Packaging
Option
Tape & Reel -12mm/7″tape
Packaging
Specification
EIA STD RS-481
Tape and Reel Specifications
7.0
(177.8)
0.157
(4.0)
0.059 Diameter
(1.5)
0.472
(12.0)
0.36
(9.2)
0.512(13.0)
Arbor Hole Diameter
0.157
(4.0)
Cover tape
0.49
(12.4)
Direction of Feed
Dimensions are in inches
(and millimeters)
UN Semiconductor Co., Ltd.
Revision October 18, 2013
www.unsemi.com.tw
7/7
@ UN Semiconductor Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.