參數(shù)資料
型號： V250LA2
廠商： Littelfuse, Inc.
英文描述： Line Voltage Operation, Radial Lead
中文描述： 線電壓工作，徑向引線
文件頁數(shù)： 4/11頁
文件大小： 984K
代理商： V250LA2
59
www.littelfuse.com
2
V
P
Varistor Products
LA Varistor Series
Line Voltage Operation, Radial Lead
Device Ratings and Specifications
(Continued)
Power Dissipation Ratings
Should transients occur in rapid succession, the average power dissipation
is the energy (watt-seconds) per pulse times the number of pulses per
second.The power so developed must be within the specifications shown
on the Device Ratings and Specifications table for the specific device.The
operating values of a MOV need to be derated at high temperatures as
shown in Figure 1. Because varistors only dissipate a relatively small
amount of average power they are not suitable for repetitive applications
that involve substantial amounts of average power dissipation.
V660LA10
V660LA50A
V660LA100B
V1000LA80A
V1000LA160B
10
14
20
14
20
660L
660L50
660L100
1000L80
1000L160
660
660
660
1000
1000
850
850
850
1200
1200
70
140
250
220
360
2500
4500
6500
4500
6500
940
940
940
1425
1425
1210
1210
1100
1800
1600
1820
1820
1650
2700
2420
25
50
100
50
100
70
200
400
130
250
NOTE: Average power dissipation of transients not to exceed 0.25W, 0.4W, 0.6W or 1W for model sizes 7mm, 10mm, 14mm and 20mm, respectively.
PART
NUMBER
MODEL
SIZE
DISC
DIA.
(mm)
MAXIMUM RATING (85
o
C)
CONTINUOUS
SPECIFICATIONS (25
o
C)
TRANSIENT
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
V
NOM
MIN
(V)
MAXIMUM
CLAMPING
VOLTAGE
8 x 20
μ
s
TYPICAL
CAPACI-
TANCE
f = 1MHz
V
RMS
V
DC
ENERGY
10 x 1000
μ
s
PEAK
CURRENT
8 x 20
μ
s
V
M(AC)
(V)
V
M(DC)
(V)
W
TM
(J)
I
TM
(A)
V
NOM
MAX
V
C
(V)
I
PK
(A)
C
(pF)
V660LA10P
V660LA50AP
V660LA100BP
V1000LA80AP
V1000LA160BP P1000L16
P660L
P660L50
P660L100
P1000L8
PART
NUMBER
LEAD-FREE
AND RoHS
COMPLIANT
MODELS
STANDARD
MODELS
Pb
RoHS
BRANDING
BRANDING
100
90
80
70
60
50
40
30
20
10
0
-55
50
60
70
AMBIENT TEMPERATURE (
o
C)
80
90
100
110
120
130
140 150
P
FIGURE 1. CURRENT, ENERGY AND POWER DERATING
CURVE
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
100
90
50
10
O
1
T
T
1
T
2
TIME
P
O
1
= Virtual Origin of Wave
T = Time From 10% to 90% of Peak
T
1
= Virtual Front time = 1.25 t
T
2
= Virtual Time to Half Value (Impulse Duration)
Example: For an 8/20
μ
s Current Waveform:
8
μ
s = T
1
= Virtual Front Time
20
μ
s = T
2
= Virtual Time to Half Value
Pb
RoHS
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相關代理商/技術參數(shù)
參數(shù)描述
V250LA20A 功能描述:壓敏電阻 250V 500pF RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
V250LA20AP 功能描述:壓敏電阻 250V 500pF RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
V250LA20APX10 功能描述:RADIAL VARISTOR 14MM RoHS:是 類別:過電壓，電流，溫度裝置 >> TVS - 變阻器，MOV 系列:LA 標準包裝:400 系列:LU 變阻器電壓:540V 電流 - 浪涌:6.5kA 電路數(shù):1 最大交流電壓:320VAC 最大直流電壓:420VDC 能量:150J 封裝/外殼:圓盤 20mm
V250LA20APX2855 功能描述:壓敏電阻 RADIAL VARISTOR 14MM ROHS/LEAD FREE RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
V250LA20C 功能描述:壓敏電阻 250V pF RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
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