YENYO
Surface Mount Transient Voltage Suppressor
Stand-off Voltage 5.0 to 440 V
Power Dissipation 400 Watts
SMA/DO-214AC
SMAJ SERIES
Features
RoHS compliant and halogen-free
Reliable low cost construction utilizing
molded plastic technique
Both bi-directional and uni-directional
devices are available
Typical IR less than 1uA above 10V
Fast response time: typically less than 1.0
ps form 0 Volts to V
BR
min
Mechanical Data
Case: SMA/DO-214AC, Molded plastic
has UL flammability classification 94V-0
Polarity:by cathode band denotes uni-
directional device none cathode band
denotes bi-directional device
Weight: 0.064 gram
.049(1.25)
.065(1.65)
.100(2.54)
.110(2.79)
.157(3.99)
.177(4.50)
.006(.152)
.012(.305)
.078(1.98)
.096(2.44)
Max .008(.203)
.188(4.80)
.208(5.28)
.030(0.78)
.060(1.52)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND THERMAL CHARACTERISTICS
T
A
= 25
o
C
unless otherwise noted
PARAMTER
Peak Pulse Power Dissipation at T
A
=25 C
by 10/1000us waveform fig.1 (Note 1,2)
Peak Forward Surge Current, 8.3ms single
Half sine-wave super imposed on rated load
(Note 3)
Steady State Power Dissipation at T
A
=50 C
Maximum lnstantaneous forward voltage
at 25A for unidirectional devices only (Note 4)
Typical Thermal Resistance Junction
to Ambient
Typical Thermal Resistance Junction
to Lead
Operating Junction and Storage Temperature
Range
o
o
SYMBOL
VALUE
UNIT
P
PPM
Minimum 400
Watts
I
FSM
PM
(AV)
V
F
40
3.3
3.5 / 6.5
A
Watts
V
o
R
JA
120
C/W
R
JL
30
o
C/W
o
T
J
, T
STG
o
-65 to +150
C
NOTES : (1) Non-repetitive current pulse, per fig. 3 and derated above TA=25 C per fig. 2.
(2) Mounted on 0.2”x0.2”(5.0mmx5.0mm) copper pads to each terminal
(3) 8.3ms single half-sine wave duty cycle= 4pulses maximum per minute(unidirectional units only)
(4) V
F
<3.5V for V
BR
200V and V
F
<6.5V for V
BR
201V
Certified RoHS Compliant
UL File # E353409
1/4
R5, JAN-13
Absolute Maximum Rating (Ta=25
o
C)
SMAJ SERIES
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
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
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
Electrical Characteristics (Ta=25
o
C)
Part No.
SMAJ48(c)
SMAJ48(c)A
SMAJ51(c)
SMAJ51(c)A
SMAJ54(c)
SMAJ54(c)A
SMAJ58(c)
SMAJ58(c)A
SMAJ60(c)
SMAJ60(c)A
SMAJ64(c)
SMAJ64(c)A
SMAJ70(c)
SMAJ70(c)A
SMAJ75(c)
SMAJ75(c)A
SMAJ78(c)
SMAJ78(c)A
SMAJ85(c)
SMAJ85(c)A
SMAJ90(c)
SMAJ90(c)A
SMAJ100(c)
SMAJ100(c)A
SMAJ110(c)
SMAJ110(c)A
SMAJ120(c)
SMAJ120(c)A
SMAJ130(c)
SMAJ130(c)A
SMAJ150(c)
SMAJ150(c)A
V
RWM
V
BR Min
V
BR Max
I
T
I
FSM
(V)
(V)
(V)
( mA )
(A) @8.3mS
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
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
65.1
58.9
69.3
62.7
73.3
66.3
78.7
71.2
81.5
73.7
86.9
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
Max Vc
(V)
Ipp(A)
4.7
5.2
4.4
4.9
4.2
4.6
3.9
4.3
3.7
4.1
4.5
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
I
R @
V
RWM
( uA )
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
UNI
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
Marking Code
BI
YX
YY
YZ
YW
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
SMAJ160(c)
SMAJ160(c)A
SMAJ170(c)
SMAJ170(c)A
SMAJ180(c)
SMAJ180(c)A
SMAJ200(c)
SMAJ200(c)A
SMAJ220(c)
SMAJ220(c)A
SMAJ250(c)
SMAJ250(c)A
SMAJ300(c)A
SMAJ350(c)A
SMAJ400(c)A
SMAJ440(c)A
Suffix A: 5%
160.00
160.00
170.00
170.00
180.00
180.00
200.00
200.00
220.00
220.00
250.00
250.00
300.00
350.00
400.00
440.00
178
178
189
189
201
201
224
224
246
246
279
279
335
391
447
492
218
197
231
209
222
222
247
247
272
272
309
309
371
432
494
543
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
287.0
259.0
304.0
275.0
292.0
292.0
324.0
324.0
356.0
356.0
405.0
405.0
486.0
567.0
648.0
713.0
1.4
1.5
1.3
1.4
1.4
1.4
1.2
1.2
1.1
1.1
1.0
1.0
0.8
0.7
0.6
0.6
SN
SP
SQ
SR
SS
ST
SU
SV
SW
SX
SY
SZ
TE
TG
TK
TM
VN
VP
VQ
VR
VS
VT
VU
VV
VW
VX
VY
VZ
UE
UG
UK
UM
Suffix C: Bi-Directional
For the bidirection SMAJ5.0CA, the maximum V
BR
is 7.25V.
For the bidirection typ having Vrwm of 10 volts and less, the I
R
limit is doubled.
Certified RoHS Compliant
UL File # E353409
3/4
R5,JAN -13
RATINGS AND CHARACTERISTIC CURVES SMAJ SERIES
FIG.1 - PULSE RATING CURVE
PEAK PULSE POWER(P
PP
) OR CURRENT(I
PP
)
DERATING IN PERCENTAGE(%)
100
100
FIG.2 - PULSE DERATING CURVE
P
PPM
, PEAK PULSE POWER(KW)
TA = 25 C
Non-repetitive Pulse Waveform
Showen in Figure 3
o
75
10
50
1.0
25
0.1
0
0.1us
1us
10us
100us
1.0ms
10ms
0
25
50
75
100 125 150 175 200
o
td - PULSE WIDTH
AMBIENT TEMPERATURE, C
FIG.3 - PULSE WAVEFORM
I
PPM
, PEAK PULSE CURRENT,(%) I
RSM
10000
T
J
= 25 C
Pluse width(td) is defined
as that point where the
peak current decays to 50%
of I
PPM
o
FIG.4 - TYPICAL JUNCTION CAPACITANCE
T
R
=10us
100
Peak value
(I
PPM
)
Half value= 2
I
PPM
TJ = 25 C
f=1.0MHz
Vsig=50mVp-p
o
CAPACITANCE. (pF)
1000
Uni-directional
50
td
10 / 1000 waveform as
defined by R.E.A.
100
Bi-directional
0
0
1.0
2.0
3.0
4.0
10
1
10
100
1000
T, TIME (ms)
V
BR
-REVERSE BREAKDOWN VOLTAGE(V)
FIG.5 - STEADY STATE POWER
DERATING CURVE
4
P
M(AV)
, STEADY STATE POWER
DISSIPATION(W)
3
2
1
60HZ RESISTIVE OR
INDUCTIVE LOAD
0
0
25
50
75
100 125 150 175 200
T
A
, AMBIENT TEMPERATURE
YENYO TECHNOLOGY CO., LTD.
4/4
R5,JAN-13
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