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參數(shù)資料
| 型號： | V30MLA0805L |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | Multilayer Transient Voltage Surge Suppressors |
| 中文描述： | 多層瞬態(tài)電壓浪涌抑制器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 254K |
| 代理商： | V30MLA0805L |
Temperature De-rating
When transients occur in rapid succession, the average power dissipa-
tion 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. For applications exceeding 125oC ambient temperature, the peak
surge current and energy ratings must be derated as shown in Figure 1.
100
80
60
40
20
0
-55
50
60
70
80
90
100
110 120
130 140 150
PERCENT
OF
RA
TED
V
ALUE
AMBIENTTEMPERATURE ( oC)
FIGURE 1. PEAK CURRENT AND ENERGY
DERATING CURVE
t1
t2
100
50
0
O1
TIME
PERCENT
OF
PEAK
V
ALUE
O1 = VIRTUAL ORIGIN OFWAVE
t1 = VIRTUAL FRONT TIME = 1.25 x t
(IMPULSE DURATION)
t = TIME FROM 10% TO 90% OF PEAK
t2 = VIRTUALTIME TO HALFVALUE
EXAMPLE:
FOR AN 8/20
s CURRENT WAVEFORM
8
s = t1 = VIRTUAL FRONT TIME
20
s = t2 = VIRTUALTIME TO
HALFVALUE
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
FOR CLAMPING VOLTAGE
t
FIGURE 3. LIMIT V-I CHARACTERISTIC FOR V5.5MLA0402 TO V18MLA0402
100
10
1
A
CURRENT (A)
V
aristor
V
olta
g
e
(V)
MAXIMUM LEAKAGE
10
A
100
A
1mA
10mA
100mA
1A
10A
100A
MAXIMUM CLAMPING VOLTAGE
V18MLA0402
V14MLA0402
V09MLA0402
V5.5MLA0402
ML Varistor Series
Surface Mount Varistors
Multilayer Transient Voltage Surge Suppressors
143
www .littelfuse .com
3
SURF
A
CE
MOUNT
V
ARIST
ORS
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| V30MLA0805LA | 功能描述:壓敏電阻 30V 30A 90pF RoHS:否 制造商:EPCOS 產品: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 |
| V30MLA0805LH | 功能描述:壓敏電阻 30V 30A 90pF RoHS:否 制造商:EPCOS 產品: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 |
| V30MLA0805LH | 制造商:Littelfuse 功能描述:Metal Oxide Varistor (MOV) |
| V30MLA0805LN | 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:Surface Mount Multilayer Varistors (MLVs) |
| V30MLA0805LNA | 功能描述:壓敏電阻 30V 30A 90pF RoHS:否 制造商:EPCOS 產品: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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