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参数资料
| 型号： | MQUMA7.5A |
| 厂商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE |
| 封装： | PLASTIC, ULTRAMITE, 2 PIN |
| 文件页数： | 3/4页 |
| 文件大小： | 434K |
| 代理商： | MQUMA7.5A |
UMA5.0A thru UMA170CA
ULTRAMITE SURFACE MOUNT 500 Watt
Transient Voltage Suppressor 5.0 to 170 V
SCOTTSD A L E DIVISION
W
.Mi
cr
os
em
i
.C
O
M
UMA5.0A
–
UMA170CA
SYMBOLS & DEFINITIONS
Symbol
Definition
Symbol
Definition
VWM
Working Peak (Standoff) Voltage
IPP
Peak Pulse Current
PPP
Peak Pulse Power
VC
Clamping Voltage
V(BR)
Breakdown Voltage
I(BR)
Breakdown Current for V(BR)
ID
Standby Current
GRAPHS
tw Microseconds
Figure 1 – Peak Pulse Power (PPP) – Kilowatts versus
Pulse Width (tW) - Microseconds
C
–
Ca
pa
cita
nce
-
Pi
cofarads
FIGURE 2
Lead Temperature
oC
V(BR) - Breakdown Voltage – Volts
Peak
Pulse
Power
(Ppp
)or
Curr
e
nt
(I
PP
)in
p
ercenta
ge
of
25
o C
Ratin
g
Test wave form
parameterxs
tr = 10
sec.
tp = 1000
sec.
Pulse Waveform for Exponential Surge
FIGURE 3
FIGURE 4
Derating Curve
Typical Capacitance vs. Breakdown Voltage
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
Copyright
2002
MSCUMA5.0.PDF 10-16-2003 REV B
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