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參數資料
| 型號： | SA50 |
| 廠商： | DC Components Co., Ltd. |
| 英文描述： | RES 24.9 OHM 1/16W .5% 0603 SMD |
| 中文描述： | 技術規格瞬態電壓抑制器 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 77K |
| 代理商： | SA50 |
MSC1400.PDF 03-20-00
SA5.0
thru
SA170A
FEATURES:
ECONOMICAL SERIES
AVAILABLE IN BOTH UNIDIRECTIONAL AND BI-DIRECTIONAL CONSTRUCTION
5.0 TO 170 STAND-OFF VOLTAGE AVAILABLE
500 WATTS PEAK PULSE POWER DISSIPATION
QUICK RESPONSE
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:
Peak Pulse Power Dissipation at 25
°
C: 500 Watts
Steady State Power Dissipation: 2.5 Watts at T
L
= +75
°
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 +175
°
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
P
P
FIGURE 1
DERATING CURVE
Continuous
Average Power
Lead Length = 3/8"
Peak Power
(Single pulse)
0
50
100
150
175
25
50
75
100
TYPICAL CHARACTERISTIC CURVES
T
L
LEAD TEMPERATURE °C
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
P
P
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.
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