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参数资料
| 型号： | 1.5SMC18A |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 1500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AB |
| 封装： | ROHS COMPLIANT, PLASTIC, SMC, 2 PIN |
| 文件页数： | 2/4页 |
| 文件大小： | 164K |
| 代理商： | 1.5SMC18A |
Ratings and
Characteristic Curves(T
A=25℃ unless otherwise noted)
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 Fax : 760-564-2414
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
1.5SMC SERIES RATINGS AND CHARACTERISTIC CURVES
10
100
1000
0
0.2
0.4
0.6
0.8
1
1.2
P
eak
F
o
rw
ar
d
S
ur
ge
C
u
rr
ent
,Am
p
er
es
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Use Only
200
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = TJ max.
Number of Cycles at 60 Hz
t - Time(ms)
3.0
4.0
150
0
1.0
2.0
tr = 10sec.
Peak Value
IPPM
TJ = 25°C
Pulse Width (t d)
is defined as the point
where the peak current
10/1000sec.Waveform
as defined by R.E.A.
td
Fig.3 - Pulse Waveform
4.0
50
Half Value- IPPM
2
100
I PPM
-
P
eak
P
u
ls
e
C
u
rr
ent
,%
I RS
M
3.0
0
0.1
1
10
100
0
0.2
0.4
0.6
0.8
1
1.2
T
rans
ient
T
her
m
a
l
Im
pedanc
e
(℃
/W)
Fig. 5 - Typ.Transient Thermal Impedance
tp-Pulse Duration (sec)
1.0
0.1
1
10
100
10ms
0.1s
1.0s
10s
100s
1.0ms
td - Pulse Width (sec.)
Fig. 1 - Peak Pulse Power Rating Curve
P
PPM
-P
ea
k
P
u
lse
P
ow
er
(kW
)
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
10
100
1000
10000
100000
0
12.5
25
37.5
50
62.5
75
87.5
100
0
25
50
75
100
125
150
175
200
Fig.2 - Pulse Derating
P
eak
P
u
ls
e
P
o
w
e
r(
P
PP
)o
r
Cu
rre
n
t(I
PP
)
TA - Ambient Temperature (°C)
VWM - Reverse Stand-Off Voltage (V)
400
C
J-
J
unc
ti
on
C
apac
it
anc
e(
pF
)
1.0
100
1
400
20000
Fig.4 - Typical Junction Capacitance
Uni-Directional
Measured at
Zero Bias
TJ = 25°C
f = 1.0MHZ
Vsig = 50mVp-p
VR,Measured at
Stand-Off
Voltage, VWM
Uni-Directional
Bi-Directional
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