DS21501 Rev. 10 - 2
1 of 3
SA5V0A - SA170A
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Power Dissipation, T
p
= 1.0ms
(Non repetitive current pulse, derated above T
A
= 25C)
P
pk
500
W
Steady State Power Dissipation at T
L
= 75C
Lead Lengths 9.5 mm (Board mounted)
P
d
1.0
W
Peak Forward Surge Current, 8.3 Single Half Sine Wave
Superimposed on Rated Load
Duty Cycle = 4 pulses per minute maximum
I
FSM
70
A
Forward Voltage @ I
F
= 35A 300s Square Wave Pulse,
Unidirectional Only
V
F
3.5
V
Operating and Storage Temperature Range
T
J
, T
STG
-65 to +175
C
Case: Transfer Molded Epoxy
Plastic Case Material has UL Flammability
Classification Rating 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Leads: Plated Leads, Solderable per
MIL-STD-202, Method 208
Marking: Unidirectional: Type Number and
Cathode Band
Marking Bi-directional: Type Number Only
Approx. Weight: 0.4 grams
Constructed with Glass Passivated Die
Excellent Clamping Capability
500W Peak Pulse Power Dissipation
Fast Response Time
100% Tested at Rated Peak Pulse Power
Voltage Range 5.0 - 170 Volts
Unidirectional and Bi-directional Versions
Available (Note 1)
Mechanical Data
Features
A
A
B
C
D
DO-15
Dim
Min
Max
A
25.40
--
B
5.50
7.62
C
0.686
0.889
D
2.60
3.6
All Dimensions in mm
Notes:
1. Suffix "A" denotes unidirectional, suffix "CA" denotes bi-directional device.
2. For bi-directional devices having V
R
of 10 volts and under, the I
R
limit is doubled.
SA5V0A - SA170A
500W TRANSIENT VOLTAGE SUPPRESSOR
DS21501 Rev. 10 - 2
3 of 3
SA5V0A - SA170A
Peak Value I
Half Value I pp/2
10 x 1000 Wave form
as defined by R.E.A.
0
1
2
3
t, TIME (ms)
Fig. 1, Pulse Waveform
100
50
0
t = 10 sec
m
pp
r
t
p
PEAK
PULSE
CURRENT
-
%
I
pp
10
100
10
100
1000
10,000
V , RATED STANDOFF VOLTAGE (V)
Fig. 2, Typical Total Capacitance
R
C
,
CAP
ACIT
ANCE
(pF)
T
V = Rated
Stand-off Voltage
R
5
50
20
20
50
50
500
5,000
V = 0
R
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)
Fig. 4, Derating Curve
A
PEAK
PULSE
DERA
TING
IN
%
O
F
PEAK
POWER
OR
CURRENT
L = 9.5 mm
0
25
50
75
100 125 150 175 200
0
T , LEAD TEMPERATURE (C)
Fig. 5, Power Derating
L
P
,
A
VERAGE
POWER
DISSIP
A
TION
(W)
d
0.25
0.5
0.75
1.0
0.1
1.0
T - PULSE WIDTH ( S)
Fig. 3, Peak Pulse Power Derating
p
m
0.1
10
100
1.0
10
1000
10000
IMPULSE
HALF SINE WAVE
SQ. WAVE
Tc = 25C
P
,
NON-REPETITIVE
P
EAK
PULSE
POWER
(kW)
RSM
100
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