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參數資料
| 型號： | MQSMCJLCE40TR |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AB |
| 封裝： | PLASTIC PACKAGE-2 |
| 文件頁數： | 3/4頁 |
| 文件大小： | 222K |
| 代理商： | MQSMCJLCE40TR |
1500 WATT LOW CAPACITANCE
SURFACE MOUNT TRANSIENT
VOLTAGE SUPPRESSOR
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
SMCGLCE6.5 thru SMCGLCE170A, e3
SMCJLCE6.5 thru SMCJLCE170A, e3
SMCGLCE/SMCJLCE,
e3
GRAPHS
P
PP
–
Peak
Pulse
Power
–
kW
Test wave form
parameterxs
tr = 10 μs
tp = 1000 μs
tp – Pulse Time – sec
FIGURE 2 PULSE WAVEFORM
FIGURE 1 PEAK PULSE POWER vs. PULSE TIME
T – Temperature –
oC
Peak
Pulse
Power
(P
PP
)or
C
u
rr
e
n
t(I
PP
)
in
percent
of
25
o C
rating
FIGURE 3 DERATING CURVE
SCHEMATIC APPLICATIONS
The TVS low capacitance device configuration is shown in Figure 4. As a further option for unidirectional applications, an additional low
capacitance rectifier diode may be used in parallel in the same polarity direction as the TVS as shown in Figure 5. In applications where random
high voltage transients occur, this will prevent reverse transients from damaging the internal low capacitance rectifier diode and also provide a
low voltage conducting direction. The added rectifier diode should be of similar low capacitance and also have a higher reverse voltage rating
than the TVS clamping voltage VC. The Microsemi recommended rectifier part number for the application in Figure 5 is the “SMBJLCR80” or
“SMBGLCR80” depending on the terminal configuration desired. If using two (2) low capacitance TVS devices in anti-parallel for bidirectional
applications, this added protective feature for both directions (including the reverse of each rectifier diode) is inherently provided in Figure 6. The
unidirectional and bidirectional configurations in Figure 5 and 6 will both result in twice the capacitance of Figure 4.
FIGURE 4
FIGURE 5
FIGURE 6
TVS with internal low
Optional Unidirectional
Optional Bidirectional
capacitance rectifier diode
configuration (TVS and
configuration (two TVS
separate rectifier diode)
devices in anti-parallel)
Microsemi
Scottsdale Division
Page 3
in parallel)
Copyright
2009
2-11-2009 REV J
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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