SA5.0(C)A -SA170(C)A
500 Watts Axial Leaded Transient
Voltage Suppressors
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Glass Passivated Die Construction
500W Peak Pulse Power Dissipation
5.0V – 170V Standoff Voltage
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
Plastic Case Material has UL Flammability
Classification Rating 94V-O
A
B
A
C
D
Mechanical Data
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Case: JEDEC DO-15 Low Profile Molded Plastic
Terminals: Axial Leads, Solderable per
MIL-STD-750, Method 2026
Polarity: Cathode Band or Cathode Notch
Marking:
Unidirectional – Device Code and Cathode Band
Bidirectional – Device Code Only
Weight: 0.40 grams (approx.)
DO-15
Dim
Min
Max
25.4
—
A
5.50
7.62
B
0.71
0.864
C
2.60
3.60
D
All Dimensions in mm
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“C” Suffix Designates Bi-directional Devices
“A” Suffix Designates 5% Tolerance Devices
No Suffix Designates 10% Tolerance Devices
Maximum Ratings and Electrical Characteristics
Characteristic
Peak Pulse Power Dissipation at T
A
= 25°C (Note 1, 2, 5) Figure 3
Peak Forward Surge Current (Note 3)
Peak Pulse Current on 10/1000µS Waveform (Note 1) Figure 1
Steady State Power Dissipation (Note 2, 4)
Operating and Storage Temperature Range
@T
A
=25°C unless otherwise specified
Symbol
P
PPM
I
FSM
I
PPM
P
M(AV)
T
j
, T
STG
Value
500 Minimum
70
See Table 1
1.0
-65 to +175
Unit
W
A
A
W
°C
Note: 1. Non-repetitive current pulse, per Figure 1 and derated above T
A
= 25°C per Figure 4.
2. Mounted on 40mm
2
copper pad.
3. 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.
4. Lead temperature at 75°C = T
L .
5. Peak pulse power waveform is 10/1000µS.
1 of 4
10,000
I
P
, PEAK PULSE CURRENT (%
pp
)
t
r
= 10ms
T
j
= 25°C
f = 1.0 MHz
V
sig
= 50mV p-p
C
j
, CAPACITANCE (pF)
100
Peak Value I
pp
1000
Measured at
Zero Bias
Half Value I
pp
/2
50
Measured at
Stand-off Voltage
100
t
p
0
10 X 1000 Waveform
as defined by R.E.A.
10
0
1
2
3
1
10
100
1000
t, TIME (ms)
Fig. 1 Pulse Waveform
V
RWM
, REVERSE STANDOFF VOLTAGE (V)
Fig. 2 Typical Junction Capacitance
100
P
P
, PEAK PULSE POWER (kW)
IMPULSE
10
1.0
0.1
0.1
T
C
= 25°C
1.0
10
100
1000
10000
T
p
, PULSE WIDTH (µs)
Fig. 3 Pulse Rating Curve
PK PULSE DERATING (% PK PWR OR CURRENT)
P
d
, STEADY STATE POWER DISSIPATION (W)
100
1.00
Single Phase
Half-Wave 60Hz
Resistive or
Inductive Load
75
0.75
50
0.50
L = 9.5 mm
25
10 X 1000 Waveform
as defined by REA
0.25
40 x 40 x 1 mm Cu
0
0
25
50
75
100
125
150
175
200
T
L
, LEAD TEMPERATURE (°C)
Fig. 5, Steady State Power Derating
0
0
25
50
75
100 125 150 175
200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 4 Pulse Derating Curve
4 of 4
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