SMAJ SERIES
DATA SHEET
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE - 5.0 to 440 Volts
400 Watt Peak Pulse Power
FEATURE
For surface mounted applications in order to optimize board space.
Low profile package.
Built-in strain relief.
Glass passivated junction.
Low inductance.
Excellent clamping capability.
Repetition Rate (duty cycle):0.01%.
Fast response time: typically less than 1.0ps from 0 Volts to V
BR
for unidirectional types.
Typical I
R
less than 1µA above 10V.
High Temperature soldering: 250°C/10 seconds at terminals.
Plastic package has Underwriters Laboratory Flammability 94V-O.
DO-241AC (SMA)
MECHANICAL DATE
Case: JEDEC DO214AC. Molded plastic over glass passivated junction.
Terminal: Solder plated, solderable per MIL-STD-750, Method 2026.
Polarity: Color band denoted positive end (cathode) except Bidirectional.
Standard Packaging: 12mm tape (EIA STD RS-481).
Weight: 0.002 ounce, 0.061 grams.
DEVICES FOR BIPOLAR APPLICATION
For bidirectional use C or CA suffix for types SMAJ5.0 thru types SMAJ440 (e.g.SMAJ5.0CA, SMAJ440CA), electrical
characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation on 10/1000µs waveform (Note 1, 2, FIG.1).
Peak Pulse Current of on 10/1000µs waveform (Note 1, FIG.3).
Peak Forward Surge Current,8.3ms Single Half Sine-Wave Superimposed
on Rated Load,(JEDEC Method) (Note2,3)
Operating junction and Storage Temperature Range.
SYMBOL
P
PPM
P
M(AV)
I
FSM
T
J
,T
STG
VALUE
Minimum 400
See Table 1
40
-55 to +150
UNITS
Watts
Amps
Amps
℃
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25℃ 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.
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SMAJ SERIES
ELECTRIACL CHARACTERISTICS
Part Number
Maximum
Device Reverse
Peak Reverse
Breakdown Breakdown Test Clamping
Marking Stand-Off
Pulse Leakage
Voltage
Voltage Current Voltage
Code
Voltage
Current @V
RWM
@IPP
UNI
BI
UNI- POLAR
BI-POLAR
V
RWM
(V)
22.0
24.0
26.0
28.0
30.0
33.0
36.0
40.0
43.0
45.0
48.0
51.0
54.0
58.0
60.0
64.0
70.0
75.0
78.0
85.0
90.0
100.0
110.0
120.0
130.0
150.0
160.0
170.0
180.0
200.0
220.0
250.0
300.0
350.0
400.0
V
BR
(V)
MIN.@I
T
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47.80
50.00
53.30
56.70
60.00
64.40
66.70
71.10
77.80
83.30
86.70
94.40
100.00
111.00
122.00
133.00
144.00
167.00
178.00
189.00
201.00
224.00
246.00
279.00
335.00
391.00
447.00
V
BR
(V)
MAX.@I
T
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
55.30
58.90
62.70
66.30
71.20
73.70
78.60
86.00
92.10
95.80
104.00
111.00
123.00
135.00
147.00
159.00
185.00
197.00
209.00
222.00
247.00
272.00
309.00
371.00
432.00
494.00
I
T
(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
V
C
(V)
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103.0
113.0
121.0
126.0
137.0
146.0
162.0
177.0
193.0
209.0
243.0
259.0
275.0
292.0
324.0
356.0
405.0
486.0
567.0
648.0
713.0
I
PP
(A)
11.3
10.3
9.5
8.8
8.3
7.5
6.9
6.2
5.8
5.5
5.2
4.9
4.6
4.3
4.1
3.9
3.5
3.3
3.2
2.9
2.7
2.5
2.3
2.1
1.9
1.6
1.5
1.5
1.4
1.2
1.1
1.0
0.8
0.7
0.6
0.6
I
R
(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
SMAJ22A
SMAJ24A
SMAJ26A
SMAJ28A
SMAJ30A
SMAJ33A
SMAJ36A
SMAJ40A
SMAJ43A
SMAJ45A
SMAJ48A
SMAJ51A
SMAJ54A
SMAJ58A
SMAJ60A
SMAJ64A
SMAJ70A
SMAJ75A
SMAJ78A
SMAJ85A
SMAJ90A
SMAJ100A
SMAJ110A
SMAJ120A
SMAJ130A
SMAJ150A
SMAJ160A
SMAJ170A
SMAJ180A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ22CA
SMAJ24CA
SMAJ26CA
SMAJ28CA
SMAJ30CA
SMAJ33CA
SMAJ36CA
SMAJ40CA
SMAJ43CA
SMAJ45CA
SMAJ48CA
SMAJ51CA
SMAJ54CA
SMAJ58CA
SMAJ60CA
SMAJ64CA
SMAJ70CA
SMAJ75CA
SMAJ78CA
SMAJ85CA
SMAJ90CA
SMAJ100CA
SMAJ110CA
SMAJ120CA
SMAJ130CA
SMAJ150CA
SMAJ160CA
SMAJ170CA
SMAJ180CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
BX
BZ
CE
CG
CK
CM
CP
CR
CT
CV
CX
CZ
RE
RG
RK
RM
RP
RR
RT
RV
RX
RZ
SE
SG
SK
SM
SP
SR
ST
SV
SX
SZ
TE
TG
TK
XY
XZ
YE
YG
YK
YM
YP
YR
YT
YV
YX
YZ
ZE
ZG
ZK
ZM
ZP
ZR
ZT
ZV
ZX
ZZ
VE
VG
VK
VM
VP
VR
VT
VV
VX
VZ
UE
UG
UK
SMAJ440A
SMAJ440CA TM UM
440.0
492.00
543.00
1
Notes: 1. For bidirectional type having V
RWM
of 10 volts and less, the I
R
limit is double.
2. For parts without A , the V
BR
is
±10%.
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