SMAJ5.0 THRU SMAJ170CA
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage:
5.0-170 Volts
DO-214AC
Peak pulse power:
300 Watts
FEATURE
0.087 (2.21)
0.070 (1.80)
0.110(2.80)
0.100(2.54)
0.177(4.50)
0.157(3.99)
0.012(0.305)
0.006(0.152)
A
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
300w 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
0.060(1.52)
0.030(0.76)
MECHANICAL DATA
0.008(0.203)MAX.
0.222(5.66)
0.194(4.93)
SMA
SMA(H)
A:
0.096(2.42)
0.078(1.98)
0.122(3.12)
0.110(2.82)
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:
0.003 ounce, 0.093 grams
0.004 ounce, 0.111 grams SMA(H)
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 10/1000ms wavetorm(NOTE 1,2,5,FIG.1)
Peak forward surge current
(Note 4)
Peak pulse current with a 10/1000ms 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 10/1000ms
P
PPM
I
FSM
I
PPM
P
M(AV)
V
F
T
STG
,T
J
VALUE
Minimum 300
40.0
See Table 1
1.0
3.5
-55 to + 150
UNITS
Watts
Amps
Amps
Watts
Volts
C
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ELECTRICAL CHARACTERISTICS (at T
A
=25 C unless otherwise noted)
Maximum
Maximum
Maximum
Breakdown Voltage
Reverse
Clamping
Peak Puls
V
(BR)
Test
Voltage at Reverse Current Leakage
(Volts) at I
T
Current
a V
WM
I
PPM
Vc
I
PPM(NOTE5)
I
T
(mA)
I
D(mA)
MIN
MAX
(Volts)
(NOTE5)
(Amps)
36.7
36.7
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
100
111
111
122
122
133
133
144
144
167
167
178
178
189
189
44.9
40.6
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
92.1
106
95.8
115
104
122
111
136
123
149
135
163
147
176
159
204
185
218
197
231
209
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
1.0
1.0
59.0
53.3
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
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
231
209
268
243
287
259
304
275
5.1
5.6
4.7
5.2
4.2
4.7
3.9
4.3
3.7
4.1
3.5
3.9
3.3
3.6
3.1
3.4
2.9
3.2
2.8
3.1
2.6
2.9
2.4
2.7
2.2
2.5
2.2
2.4
2.0
2.2
1.9
2.1
1.7
1.9
1.5
1.7
1.4
1.6
1.3
1.4
1.1
1.2
1.0
1.2
0.99
1.09
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
5.0
5.0
Device
SMAJ33
SMAJ33A
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
Devlce
Marking Code
UNI
CL
CM
CN
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
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
BI
YL
YM
YN
YP
YQ
YR
YS
YT
YU
YV
YW
YX
YY
YZ
ZD
ZE
ZF
ZG
ZH
ZK
ZL
ZM
ZN
ZP
ZQ
ZR
ZS
ZT
ZU
ZV
ZW
ZX
ZY
ZZ
VD
VE
VF
VG
VH
VK
VL
VM
VN
VP
VQ
VR
Working Peak
Reverse Voltage
V
WM
(Volts)
33.00
33.00
36.00
36.00
40.00
40.00
43.00
43.00
45.00
45.00
48.00
48.00
51.00
51.00
54.00
54.00
58.00
58.00
60.00
60.00
64.00
64.00
70.00
70.00
75.00
75.00
78.00
78.00
85.00
85.00
90.00
90.00
100.00
100.00
110.00
110.00
120.00
120.00
130.00
130.00
150.00
150.00
160.00
160.00
170.00
170.00
NOTES:
1.V
(BR)
measured after I
T
applied for 300ms,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
linit is doubled
4.All items and symbols are consistent with ANSI/IEEE C62.35
5.Peak pulse power waveform is 10/1000ms
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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
0.1ms
1.0ms
10ms
100ms
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=10msec
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
10/1000msec 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.
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