SMAJ5.0 THRU SMAJ170CA
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage: 5.0-170 Volts
Peak pulse power: 400 Watts
FEATURE
DO-214AC/SMA
Optimzed for LAN protection applications
Ideal for ESD protection of data lines in accordance
with IEC 1000-4-2(IEC801-2)
Ideal for EFT protection of data lines in accordance
with IEC1000-4-4(IEC801-2)
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Glass passivated junction
400w peak pulse power capability
Excellent clamping capability
Low incremental surge resistance
Fast response time:typically less than 1.0ps from 0v to
V
(BR)
min
High temperature soldering guaranteed:
250 C/10S at terminals
0.067 (1.70)
0.051 (1.30)
0.110(2.80)
0.100(2.54)
0.177(4.50)
0.157(3.99)
0.012(0.305)
0.006(0.152)
0.096(2.42)
0.078(1.98)
MECHANICAL DATA
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.208(5.28)
0.188(4.80)
Dimensions in inches and (millimeters)
Case:
JEDEC DO-214AC molded plastic body over
passivated chip
Terminals:
Solder plated , solderable per MIL-STD 750,
method 2026
Polarity:
Color band denotes cathode except for
bidirectional types
Mounting Position:
Any
Weight:
0.002 ounce, 0.053 grams
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For bidirectional use suffix C or CA for types SMAJ5.0 thru SMAJ170 (e.g. SMAJ5.0C,SMAJ170CA)
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
SYMBOLS
Peak pulse power dissipation with a 10/1000µs wavetorm(NOTE 1,2,5,FIG.1)
Peak forward surge current
(Note 4)
Peak pulse current with a 10/1000µs waveform(NOTE 1)
Steady state power dissapation (Note 3)
Maximum instantaneous forward voltage at 25A(Note 4)
Operating junction and storage temperature range
Notes:
1.Non-repetitive current pulse,per Fig.3 and derated above T
A
=25 C per Fig.2
2.Mounted on 5.0mm
2
copper pads to each terminal
3.Lead temperature at T
L
=75 C per Fig.5
4.Measured on 8.3ms single half sine-wine.For uni-directional devices only.
5.Peak pulse power waveform is 10/1000µs
P
PPM
I
FSM
I
PPM
P
M(AV)
V
F
T
STG
,T
J
VALUE
Minimum 400
40.0
See Table 1
1.0
3.5
-55 to + 150
UNITS
Watts
Amps
Amps
Watts
Volts
C
ELECTRICAL CHARACTERISTICS (at T
A
=25 C unless otherwise noted)
Device
Uni-
directional
Device
Bi-
directional
Device Marking
code
Working Peak
Reverse Voltage
Breakdown
Voltage
VBR Volts
Min(V)
Max(V)
@ IT(mA)
Maximum
Reverse Voltage
at I
RSM
(Clamping
Voltage)
V
RSM
(volts)
Maximum
Reverse Surge
Current
I
RSM
(Amps)
Maximum
Reverse
Leakage at
V
RWM
IR (µA)
(UNI)
SMAJ36
SMAJ36A
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
SMAJ36C
SMAJ36CA
SMAJ40C
SMAJ40CA
SMAJ43C
SMAJ43CA
SMAJ45C
SMAJ45CA
SMAJ48C
SMAJ48CA
SMAJ51C
SMAJ51CA
SMAJ54C
SMAJ54CA
SMAJ58C
SMAJ58CA
SMAJ60C
SMAJ60CA
SMAJ64C
SMAJ64CA
SMAJ70C
SMAJ70CA
SMAJ75C
SMAJ75CA
SMAJ78C
SMAJ78CA
SMAJ85C
SMAJ85CA
SMAJ90C
SMAJ90CA
SMAJ100C
SMAJ100CA
SMAJ110C
SMAJ110CA
SMAJ120C
SMAJ120CA
SMAJ130C
SMAJ130CA
SMAJ150C
SMAJ150CA
SMAJ160C
SMAJ160CA
SMAJ170C
SMAJ170CA
(BI)
V
RWM
(volts)
JN
JP
JQ
JR
JS
JT
JU
JV
JW
JX
JY
JZ
RD
RE
RF
RG
RH
RK
RL
RM
RN
RP
RQ
RR
RS
RT
RU
RV
RW
RX
RY
RZ
SD
SE
SF
SG
SH
SK
SL
SM
SN
SP
SQ
SR
VN
VP
VQ
VR
VS
VT
VU
VV
VW
VX
VY
VZ
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
36.0
36.0
40.0
40.0
43.0
43.0
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
85.0
85.0
90.0
90.0
100.0
100.0
110.0
110.0
120.0
120.0
130.0
130.0
150.0
150.0
160.0
160.0
170.0
170.0
40.0
40.0
44.4
44.4
47.8
47.8
50.0
50.0
53.3
53.3
56.7
56.7
60.0
60.0
64.4
64.4
66.7
66.7
71.1
71.1
77.8
77.8
83.3
83.3
86.7
86.7
94.4
94.4
100.0
100.0
111.0
111.0
122.0
122.0
133.0
133.0
144.0
144.0
167.0
167.0
178.0
178.0
189.0
189.0
48.9
44.2
54.3
49.1
58.4
52.8
61.1
55.3
65.1
58.9
69.3
62.7
73.3
66.3
78.7
71.2
81.5
73.7
86.4
78.6
95.1
86.0
102.0
92.1
106.0
95.8
115.0
104.0
122.0
111.0
136.0
123.0
149.0
135.0
163.0
147.0
176.0
159.0
204.0
185.0
218.0
197.0
231.0
209.0
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
1.0
1.0
1.0
64.3
58.1
71.4
64.5
76.7
69.4
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
151.0
137.0
160.0
146.0
179.0
162.0
196.0
177.0
214.0
193.0
231.0
209.0
268.0
243.0
287.0
259.0
304.0
275.0
6.2
6.9
5.6
6.2
5.2
5.7
5.0
5.5
4.7
5.2
4.4
4.9
4.2
4.6
3.9
4.3
3.7
4.1
3.5
3.9
3.2
3.5
3.0
3.3
2.9
3.2
2.6
2.9
2.5
2.7
2.2
2.5
2.0
2.3
1.9
2.0
1.7
1.9
1.5
1.6
1.4
1.5
1.3
1.4
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
5.0
5.0
5.0
5.0
5.0
NOTES:
1.V
(BR)
measured after I
T
applied for 300µs,I
T
=square wave pulse or equivalent
2.Surge current waveform per Fig.3 and derated per Fig.2
3.For bidirectional types having V
WM
of 10 volts and less,the I
D
limit is doubled
4.All items and symbols are consistent with ANSI/IEEE C62.35
5.Peak pulse power waveform is 10/1000µs
RATINGS AND CHARACTERISTIC CURVES SMAJ5.0 THUR SMAJ170CA
FIG. 1-PEAK PULSE POWER RATING CURVE
PEAK PULSE POWER(Ppp)or CURRENT(Ipp
M
)
DERATING IN PERCENTAGE,%
100
100
FIG. 2-PULSE DERATING CURVE
Ppp
M
,PEAK PULSE POWER,kw
10
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG.3
T
A
=25 C
75
50
1.0
0.2x0.2”
(0.5x0.5mm)
COPPER PAD AREAS
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
25
td,PULSE WIDTH,sec.
FIG.3-PULSE WAVEFORM
150
0.2x0.2”
(0.5x0.5mm)
COPPER PAD AREAS
0
0
25
50
75
100
125
150
175
Ipp
M
,PEAK PULSE CURRENT,%
tr=10µsec
PULSE WIDTH (td) is DEFINED
as the POINT WHERE the PEAK
CURRENT DECAYS to 50% of Ipp
M
T
A
,
AMBIENT TEMPERATURE,( C)
PEAK VALUE Ipp
M
100
HALF VALUE
I
PPM
2
10,000
FIG. 4-TYPICAL JUNCTIONAL CAPACITANCE
UNIDIRECTIONAL
T
J
=25 C
f=1.0MHz
Vsig=50mVp-p
MEASURED at
STAND-OFF
VOLTAGE,Vw
M
UNI-DIRECTIONAL
50
10/1000µsec WAVEFORM
as DFINED by R.E.A.
C
J
,JINCTION CAPACITANCE,pF
1,000
0
0
td
1.0
2.0
3.0
4.0
t,TIME,ms
FIG.5-STEADY STATE POWER DERATING CURVE
1.00
100
PM
(AV)
,STEADY STATE POWER
DISSIPATION,WATTS
60Hz RESISTIVE
OR INDUCTIVE LOAD
0.75
BI-DIRECTIONAL
10
1.0
0.50
10
100
200
V
(BR)
,BREAKDOWN VOLTAGE,VOLTS
0.25
0.2x0.2”
(0.5x0.5mm)
COPPER PAD AREAS
I
FSM
,PEAK FORWARD SURAGE CURRENT
AMPERES
0
25
50
75
100
125
150
175
0
FIG.6-MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT UNIDIRECTIONAL ONLY
50
T
L
,LEAD TEMPERATURE, C
FIG.7-TYPICAL RESPONSE TO 8KV POSITLVE GOLING ESD
PULSE PER IEC1000-4-2(IEC801-2)
LET THROUGH VOLTAGE,VOLTS
105
84
63
42
21
0V
-21
-42
-63
-84
-105
0
10
20
30
40
50
60
70
80
40
30
20
10
Device Used:
SMAJ15C
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
1.0
10
100
0
NUMBER OF CYCLES AT 60Hz
t,TIME,nsec.
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
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