DS19005 Rev. 10 - 2
1 of 4
SMAJ5.0(C)A - SMAJ170(C)A
www.diodes.com
Diodes Incorporated
SMAJ5.0(C)A - SMAJ170(C)A
400W SURFACE MOUNT TRANSIENT VOLTAGE
SUPPRESSOR
A
B
C
D
G
H
E
J
SMA
Dim
Min
Max
A
2.29
2.92
B
4.00
4.60
C
1.27
1.63
D
0.15
0.31
E
4.80
5.59
G
0.10
0.20
H
0.76
1.52
J
2.01
2.62
All Dimensions in mm
Features
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above T
A
= 25
C) (Note 1)
P
PK
400
W
Peak Forward Surge Current, 8.3ms Single Half Sine Wave
Superimposed on Rated Load (JEDEC Method) (Notes 1, 2, & 3)
I
FSM
40
A
Steady State Power Dissipation @ T
L
= 75
C
PM
(AV)
1.0
W
Instantaneous Forward Voltage
@ I
PP
= 35A
(Notes 1, 2, & 3)
V
F
3.5
V
Operating Temperature Range
T
j
-55 to +150
C
Storage Temperature Range
T
STG
-55 to +175
C
400W Peak Pulse Power Dissipation
5.0V - 170V Standoff Voltages
Glass Passivated Die Construction
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
Plastic Material: UL Flammability
Classification Rating 94V-0
Mechanical Data
Case: SMA, Transfer Molded Epoxy
Terminals: Solderable per MIL-STD-202,
Method 208
Also Available in Lead Free Plating (Matte Tin
Finish). Please see Ordering Information,
Note 5, on Page 4
Polarity Indicator: Cathode Band
(Note: Bi-directional devices have no polarity
indicator.)
Marking: Date Code and Marking Code
See Page 3
Weight: 0.064 grams (approx.)
Ordering Info: See Page 3
Notes:
1. Valid provided that terminals are kept at ambient temperature.
2. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
3. Unidirectional units only.
DS19005 Rev. 10 - 2
3 of 4
SMAJ5.0(C)A - SMAJ170(C)A
www.diodes.com
10
100
1000
10000
1
10
100
1000
C
,
JUNCTION
CAP
A
CIT
A
NCE
(
pF)
T
V
, STANDOFF VOLTAGE (V)
WM
Fig. 2 Typical Total Capacitance
T = 25
C
j
Unidirectional
Bidirectional
10 X 1000 Waveform
as defined by REA
0
25
50
75
100
125
150 175 200
100
75
50
25
0
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Pulse Derating Curve
PEAK
PULSE
D
ERA
TING
I
N
%
O
F
PEAK
POWER
O
R
CURRENT
0
1
2
3
100
50
0
I
,
PEAK
PULSE
C
URRENT
(%I
)
Pp
p
Peak Value I
pp
Half Value I /2
pp
10 X 1000 Waveform
as defined by R.E.A.
t
p
t, TIME (ms)
Fig. 4 Pulse Waveform
0.1
1.0
0.1
10
100
1.0
10
1000
10000
T = 25
C
j
P
,
PEAK
PULSE
P
OWER
(kW)
d
100
Non Repetitive
Pulse Waveform
Shown in Fig. 4
0.0
0.2
0.4
0.6
0
25
50
75
100
125
150
175
200
PM
STEADY
ST
A
T
E
P
OWER
D
ISSIP
A
TION
(W)
(A
V),
T , LEAD TEMPERATURE (
C)
L
Fig. 6 Steady State Power Derating Curve
0.8
1.0
60Hz Resistive or
Inductive Load
0
60
50
40
30
20
10
2
5
10
PEAK
FOR
W
ARD
S
URGE
CURRENT
,
(A)
NUMBER OF CYCLES AT 60Hz
Fig. 5 Maximum Non-Repetitive Surge Current
20
50
100
1
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
DS19005 Rev. 10 - 2
4 of 4
SMAJ5.0(C)A - SMAJ170(C)A
www.diodes.com
XX = Product type marking code (See Page 2)
= Manufacturers' code marking
YWW = Date code marking
Y = Last digit of year ex: 2 for 2002
WW = Week code 01 to 52
YWW
XX
Marking Information
Ordering Information
Device
Packaging
Shipping
SMAJXXX(C)A-13
SMA
5000/Tape & Reel
Notes:
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
5. For Lead Free version (with Lead Free terminal finish) part number, please add "-F" suffix to part number above.
Example: SMAJ170A-13-F.
(Note 4)
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