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参数资料
| 型号： | V18MLA0603 |
| 厂商： | Littelfuse, Inc. |
| 英文描述： | Multilayer Transient Voltage Surge Suppressors |
| 中文描述： | 多层瞬态电压浪涌抑制器 |
| 文件页数： | 6/11页 |
| 文件大小： | 254K |
| 代理商： | V18MLA0603 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| V18MLA0603A | 功能描述:压敏电阻 14V 30A 125pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V18MLA0603H | 功能描述:压敏电阻 14V 30A 125pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V18MLA0603N | 制造商:LITTELFUSE 制造商全称:Littelfuse 功能描述:Surface Mount Multilayer Varistors (MLVs) |
| V18MLA0603NA | 功能描述:压敏电阻 14V 30A 125pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
| V18MLA0603NH | 功能描述:压敏电阻 14V 30A 125pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
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