SA5V0A - SA170A
500W TRANSIENT VOLTAGE SUPPRESSOR
Features
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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)
A
B
A
D
C
Mechanical Data
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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
DO-15
Dim
A
B
C
D
Min
25.40
5.50
0.686
2.60
Max
—
7.62
0.889
3.6
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Symbol
P
pk
P
d
I
FSM
V
F
T
J
, T
STG
Value
500
1.0
70
3.5
-65 to +175
Unit
W
W
A
V
°C
Characteristic
Peak Power Dissipation, T
p
= 1.0ms
(Non repetitive current pulse, derated above T
A
= 25°C)
Steady State Power Dissipation at T
L
= 75°C
Lead Lengths 9.5 mm (Board mounted)
Peak Forward Surge Current, 8.3 Single Half Sine Wave
Superimposed on Rated Load
Duty Cycle = 4 pulses per minute maximum
Forward Voltage @ I
F
= 35A 300µs Square Wave Pulse,
Unidirectional Only
Operating and Storage Temperature Range
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.
DS21501 Rev. 10 - 2
1 of 3
SA5V0A - SA170A
10,000
PEAK PULSE CURRENT - % I
pp
100
t
r
= 10
m
sec
Peak Value I
pp
5,000
Unidirectional
Bidirectional
C
T
, CAPACITANCE (pF)
1000
500
V
R
= 0
Half Value I pp/2
50
100
50
V
R
= Rated
Stand-off Voltage
t
p
0
as defined by R.E.A.
10 x 1000 Wave form
10
0
1
2
3
5
10
20
50
100
20
50
t, TIME (ms)
Fig. 1, Pulse Waveform
V
R
, RATED STANDOFF VOLTAGE (V)
Fig. 2, Typical Total Capacitance
100
P
RSM
, NON-REPETITIVE PEAK
PULSE POWER (kW)
IMPULSE
HALF SINE WAVE
Tc = 25°C
10
1.0
SQ. WAVE
0.1
0.1
1.0
10
100
1000
10000
T
p
- PULSE WIDTH (
m
S)
Fig. 3, Peak Pulse Power Derating
100
1.0
PEAK PULSE DERATING IN % OF
PEAK POWER OR CURRENT
75
P
d
, AVERAGE POWER DISSIPATION (W)
0.75
50
0.5
L = 9.5 mm
25
10 X 1000 Waveform
as defined by REA
0
0
25
50
75
100
125
150
175
200
0.25
0
0
25
50
75
100
125
150
175
200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 4, Derating Curve
T
L
, LEAD TEMPERATURE (°C)
Fig. 5, Power Derating
DS21501 Rev. 10 - 2
3 of 3
SA5V0A - SA170A
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