SA4-57.PDF 03-20-00
P5KE5.0
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P5KE170A
FEATURES:
AVAILABLE IN BOTH UNIDIRECTIONAL AND BI-DIRECTIONAL CONSTRUCTION
5.0 TO 170 STAND-OFF VOLTAGE AVAILABLE
500 WATTS PEAK PULSE POWER DISSIPATION
ESD/EFT PROTECTION MEETS ALL IEC61000-4-2 AND IEC61000-4-4 CONDITIONS
UL94V-0 FLAMMABILITYCLASSIFICATION
DESCRIPTION:
DESCRIPTION:
DESCRIPTION:
DESCRIPTION:
This Transient Voltage Suppressor is an economical, molded, commercial product
used to protect voltage sensitive components from destruction or partial degradation.
The response time of their clamping action is virtually instantaneous (1 x 10
-12
seconds) and they have a peak pulse power rating of 500 watts for 1 ms as depicted in
Figure 1 and 2. Microsemi also offers a great variety of other Transient Voltage
Suppressor's to meet higher and lower power demands and special applications.
MAXIMUM RATINGS:
MAXIMUM RATINGS:
MAXIMUM RATINGS:
MAXIMUM RATINGS:
Peak Pulse Power Dissipation at 25
C: 500 Watts
Steady State Power Dissipation: 2.5 Watts at T
L
= +50
C
3/8" Lead Length
t
clamping
(0 volts to BV Min.):
Unidirectional <1x10
-12
Seconds: Bi-directional <5x10
-9
Seconds.
Operating and Storage Temperature: -55
to +150
C
8700 E. Thomas Road
Scottsdale, AZ 85252
Phone: (480) 941-6300
Fax: (480) 947-1503
5.0 thru 170 volts
500 Watts
Transient Voltage
Suppressors
2 x
.032 .002
[.81 .05]
.107
[2.72]
max.
POLARITY
Mark {cathode}
.205
[5.21]
MAX.
NOTE: DIMENSIONS IN [ ] =MILLIMETERS
PEAK PULSE POWER (Ppp) OR CONTINUOUS
POWER IN PERCENT OF 25C RATING
FIGURE 1
DERATING CURVE
Pulse Time Duration
(tp) is Defined as that
point where Ip decays
to 50% of
I surge
Peak Value Ipp
100
50
1
2
3
4
TIME (t) IN MILLISECONDS
FIGURE 2
PULSE WAVEFORM FOR
EXPONENTIAL SURGE
PULSE CURRENT IN
PERCENT OF Ipp
MECHANICAL
CHARACTERISTICS
CASE: Void free transfer
molded thermosetting
plastic.
FINISH: Readily solderable.
POLARITY: Band denotes
cathode. Bi-directional not
marked.
WEIGHT: 0.7 gram (Appx.).
MOUNTING POSITION: Any
DO-41
2 X1.10
[27.94]
MIN.
Continuous
Average Power
Lead Length = 3/8"
Peak Power
(Single pulse)
0
50
100
150 175
T
L
LEAD TEMPERATURE C
100
75
50
25
TYPICAL CHARACTERISTIC CURVES
SA4-57.PDF 03-20-00
P5KE5.0
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P5KE170A
10000
1000
100
10
MEASURED AT
ZERO BIAS
MEASURED AT
STANDOFF
VOLTAGE
C-CAPACITANCE - PICOFARADS
10
0
100
1000
V
(BR)
- BREAKDOWN VOLTAGE - VOLTS
FIGURE 3
TYPICAL CAPACITANCE VS
B R E A K D O W N V O L T A G E
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
0.1
0.1
1.0
10
100
10000
0.2
0.5
2.0
5.0
20
50
200
1000
T
C
= 25C
tw - Pulse Width s
FIGURE 4
PEAK PULSE POWER VS. PULSE TIME
(P
PP
) - Peak Pulse Power, (kW)
20
30
50
70
C U R R E N T W A V E F O R M
t
w
t
p
t
w
S Q U A R E
H A L F
SINE
t
w = .7tP
t
w
0.5
1.0
I M P U L S E
E X P O N E N T I A L
D E C A Y
Ipp
Ipp
Ipp