SMAJ SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS
VOLTAGE RANGE
FEATURES
* For surface mount application
* Built-in strain relief
* Excellent clamping capability
* Low profile package
* Fast response time: Typically less than
1.0ps from 0 volt to BV min.
* Typical I
R
less than 1
µ
A above 10V
* High temperature soldering guaranteed:
260 C / 10 seconds at terminals
5.0 to 170 Volts
400 Watts Peak Power
DO-214AC(SMA)
.058(1.47)
.052(1.32)
.177(4.50)
.157(3.99)
.110(2.79)
.100(2.54)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end except Bidirectional
* Mounting position: Any
* Weight: 0.063 grams
.090(2.29)
.078(1.98)
.060(1.52)
.030(0.76)
.005
MAX.
(.127)
.208(5.28)
.194(4.93)
.012(0.31)
.006(0.15)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATINGS
Peak Power Dissipation at T
A
=25 C, T
P
=1ms(NOTE 1)
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave
superimposed on rated load (JEDEC method) (NOTE 3)
Maximum Instantenous Forward Voltage at 25.0A for
Unidirectional only
Operating and Storage Temperature Range
SYMBOL
P
PK
I
FSM
V
F
T
J
, T
STG
VALUE
Minimum 400
40
3.5
-55 to +150
UNITS
Watts
Amps
Volts
C
NOTES:
1. Non-repetitive current pulse per Fig. 3 and derated above T
A
=25 C per Fig. 2.
2
2. Mounted on Copper Pad area of 5.0mm (.013mm Thick) to each terminal.
3. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
DEVICES FOR BIPOLAR APPLICATIONS
1. For Bidirectional use C or CA Suffix for types SMAJ5.0 thru SMAJ170.
2. Electrical characteristics apply in both directions.
248
RATING AND CHARACTERISTIC CURVES (SMAJ SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
T
A
=25 C
10
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
75
50
1.0
5.0mm COPPER PAD AREAS
2
25
0.1
0.1
µ
s
1.0
µ
s
10
µ
s
100
µ
s
1.0ms
10ms
0
0
25
50
75
100
125
150
175
td, PULSE WIDTH, sec.
T
A
, AMBIENT TEMPERATURE ( C)
FIG.3-PULSE WAVE FORM
150
I
PPM
, PEAK PULSE CURRENT, %
tf=10
µ
s
Peak Value
I
PPM
T
A
=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
10,000
FIG.4-TYPICAL JUNCTION CAPACITANCE
T
J
=25 C
f=1.0MHz
Vsig=50mVp-p
5,000
100
2,000
Half Value-I
PPM
2
10/1000
µ
sec Waveform
as Defined by R.E.A.
1,000
C
J
, CAPACITANCE, pF
50
500
Measued at
Zero Bias
td
e-kt
0
0
1.0
2.0
3.0
4.0
200
t, TIME, ms
100
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
100
80
T
J
=T
J
max
8.3ms Single Half Sine-wave
JEDEC Method
50
Measured at
Stand-Off
Voltage(V
MW
)
20
I
FSM
, PEAK FORWARD SURGE
CURRENT, AMPERES
60
10
1.0
2.0
5.0
10
20
50
100
200
V(BR), BREAKDOWN VOLTAGE, VOLTS
40
20
10
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
249
400 Watt Surface Mount TVS
PART NUMBER REVERSE BREAKDOWN BREAKDOWN
TEST
ADD C FOR BI- STAND-OFF
VOLTAGE
VOLTAGE
CURRENT
DIRECTIONAL VOLTAGE
VBR (V)
VBR (V)
IT
See Note 1
VRWM (V)
MIN. @IT
MAX. @IT
(mA)
SMAJ5.0(C)
5.0
6.40
7.30
10
SMAJ5.0(C)A
5.0
6.40
7.00
10
SMAJ6.0(C)
6.0
6.67
8.15
10
SMAJ6.0(C)A
6.0
6.67
7.37
10
SMAJ6.5(C)
6.5
7.22
8.82
10
SMAJ6.5(C)A
6.5
7.22
7.98
10
SMAJ7.0(C)
7.0
7.78
9.51
10
SMAJ7.0(C)A
7.0
7.78
8.60
10
SMAJ7.5(C)
7.5
8.33
10.3
1
SMAJ5.0(C)A
7.5
8.33
8.21
1
SMAJ8.0(C)
8.0
8.89
10.9
1
SMAJ8.0(C)A
8.0
8.89
9.83
1
SMAJ8.5(C)
8.5
9.44
11.5
1
SMAJ8.5(C)A
8.5
9.44
10.4
1
SMAJ9.0(C)
9.0
10.0
12.2
1
SMAJ9.0(C)A
9.0
10.0
11.1
1
SMAJ10(C)
10
11.1
13.6
1
SMAJ10(C)A
10
11.1
12.3
1
SMAJ11(C)
11
12.2
14.9
1
SMAJ11(C)A
11
12.2
13.5
1
SMAJ12(C)
12
13.3
16.3
1
SMAJ12(C)A
12
13.3
14.7
1
SMAJ13(C)
13
14.4
17.6
1
SMAJ13(C)A
13
14.4
15.9
1
SMAJ14(C)
14
15.6
19.1
1
SMAJ14(C)A
14
15.6
17.2
1
SMAJ15(C)
15
16.7
20.4
1
SMAJ15(C)A
15
16.7
18.5
1
SMAJ16(C)
16
17.8
21.8
1
SMAJ16(C)A
16
17.8
19.7
1
SMAJ17(C)
17
18.9
23.1
1
SMAJ17(C)A
17
18.9
20.9
1
SMAJ18(C)
18
20.0
24.4
1
SMAJ18(C)A
18
20.0
22.1
1
SMAJ20(C)
20
22.2
27.1
1
SMAJ20(C)A
20
22.2
24.5
1
SMAJ22(C)
22
24.4
29.8
1
SMAJ22(C)A
22
24.4
26.9
1
SMAJ24(C)
24
26.7
32.6
1
SMAJ24(C)A
24
26.7
29.5
1
SMAJ26(C)
26
28.9
35.3
1
SMAJ26(C)A
26
28.9
31.9
1
SMAJ28(C)
28
31.1
38.0
1
SMAJ28(C)A
28
31.1
34.4
1
SMAJ30(C)
30
33.3
40.7
1
SMAJ30(C)A
30
33.3
36.8
1
SMAJ33(C)
33
36.7
44.9
1
SMAJ33(C)A
33
36.7
40.6
1
SMAJ36(C)
36
40.0
48.9
1
SMAJ36(C)A
36
40.0
44.2
1
SMAJ40(C)
40
44.4
54.3
1
SMAJ40(C)A
40
44.4
49.1
1
SMAJ43(C)
43
47.8
58.4
1
SMAJ43(C)A
43
47.8
52.8
1
SMAJ45(C)
45
50.0
61.1
1
SMAJ45(C)A
45
50.0
55.3
1
SMAJ48(C)
48
53.3
65.1
1
SMAJ48(C)A
48
53.3
58.9
1
SMAJ51(C)
51
56.7
69.3
1
SMAJ51(C)A
51
56.7
62.7
1
SMAJ54(C)
54
60.0
73.3
1
SMAJ54(C)A
54
60.0
66.3
1
SMAJ58(C)
58
64.4
78.7
1
SMAJ58(C)A
58
64.4
71.2
1
MAXIMUM
CLAMPING
VOLTAGE
@Ipp Vc (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
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
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103
93.6
PEAK
REVERSE
PULSE LEAKAGE
CURRENT @ VRWM
Ipp (A)
IR(
µ
A)
41.6
800
43.5
800
35.1
800
38.8
800
32.5
500
35.7
500
30.1
200
33.3
200
28.0
100
31.0
100
26.5
50
29.4
50
25.1
10
27.7
10
23.6
5
26.0
5
21.1
5
23.5
5
20.0
5
22.0
5
18.1
5
20.1
5
16.8
5
18.6
5
15.5
5
17.2
5
14.8
5
16.4
5
13.8
5
15.3
5
13.1
5
14.5
5
12.4
5
13.7
5
11.1
5
12.3
5
10.1
5
11.2
5
9.3
5
10.3
5
8.6
5
9.5
5
8.0
5
8.8
5
7.5
5
8.3
5
6.8
5
7.5
5
6.2
5
6.9
5
5.6
5
6.2
5
5.2
5
5.7
5
5.0
5
5.5
5
4.7
5
5.2
5
4.4
5
4.9
5
4.2
5
4.6
5
3.9
5
4.3
5
MARKING
CODE
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
BU
BV
BW
BX
BY
BZ
CD
CE
CF
CG
CH
CK
CL
CM
CN
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
RD
RE
RF
RG
BI
ADP
AEP
AFP
AGP
AHP
AKP
ALP
AMP
ANP
APP
AQP
ARP
ASP
ATP
AUP
AVP
AWP
AXP
AYP
AZP
BDP
BEP
BFP
BGP
BHP
BKP
BLP
BMP
BNP
BPP
BQP
BRP
BSP
BTP
BUP
BVP
BWP
BXP
BYP
BZP
CDP
CEP
CFP
CGP
CHP
CKP
CLP
CMP
CNP
CPP
CQP
CRP
CSP
CTP
CUP
CVP
CWP
CXP
CYP
CZP
RDP
REP
RFP
RGP
256
400 Watt Surface Mount TVS
PART NUMBER REVERSE BREAKDOWN BREAKDOWN
TEST
ADD C FOR BI- STAND-OFF
VOLTAGE
VOLTAGE
CURRENT
DIRECTIONAL VOLTAGE
VBR (V)
VBR (V)
IT
See Note 1
VRWM (V)
MIN. @IT
MAX. @IT
(mA)
SMAJ60(C)
60
66.7
81.5
1
SMAJ60(C)A
60
66.7
73.7
1
SMAJ64(C)
64
71.1
86.4
1
SMAJ64(C)A
64
71.1
78.6
1
SMAJ70(C)
70
77.8
95.1
1
SMAJ70(C)A
70
77.8
86.0
1
SMAJ75(C)
75
83.3
102
1
SMAJ75(C)A
75
83.3
92.1
1
SMAJ78(C)
78
86.7
106
1
SMAJ78(C)A
78
86.7
95.8
1
SMAJ85(C)
85
94.4
115
1
SMAJ85(C)A
85
94.4
104
1
SMAJ90(C)
90
100
122
1
SMAJ90(C)A
90
100
111
1
SMAJ100(C)
100
111
136
1
SMAJ100(C)A
100
111
123
1
SMAJ110(C)
110
122
149
1
SMAJ110(C)A
110
122
135
1
SMAJ120(C)
120
133
163
1
SMAJ120(C)A
120
133
147
1
SMAJ130(C)
130
144
176
1
SMAJ130(C)A
130
144
159
1
SMAJ150(C)
150
167
204
1
SMAJ150(C)A
150
167
185
1
SMAJ160(C)
160
178
218
1
SMAJ160(C)A
160
178
197
1
SMAJ170(C)
160
189
231
1
SMAJ170(C)A
170
189
209
1
MAXIMUM
CLAMPING
VOLTAGE
@Ipp Vc (V)
107
96.8
114
103
125
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
231
209
268
243
287
259
304
275
PEAK
REVERSE
PULSE LEAKAGE
CURRENT @ VRWM
Ipp (A)
IR(
µ
A)
3.7
5
4.1
5
4.5
5
3.9
5
3.2
5
3.5
5
3.0
5
3.3
5
2.9
5
3.2
5
2.6
5
2.9
5
2.5
5
2.7
5
2.2
5
2.5
5
2.0
5
2.3
5
1.9
5
2.0
5
1.7
5
1.9
5
1.5
5
1.6
5
1.4
5
1.5
5
1.3
5
1.4
5
MARKING
CODE
UNI
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
RHP
RKP
RLP
RMP
RNP
RPP
RQP
RRP
RSP
RTP
RUP
RVP
RWP
RXP
RYP
RZP
SDP
SEP
SFP
SGP
SHP
SKP
SLP
SMP
SNP
SPP
SQP
SRP
257
