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V240ZA05 PDF预览

V240ZA05

更新时间: 2024-01-01 05:43:34
品牌 Logo 应用领域
力特 - LITTELFUSE 压敏电阻
页数 文件大小 规格书
14页 1393K
描述
Varistor Products - Low to Medum Voltage, Radial Lead

V240ZA05 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8533.40.40.00风险等级:5.05
电路直流最大电压:200 V电路RMS最大电压:150 V
最大能量吸收容量:7 J安装特点:THROUGH HOLE MOUNT
端子数量:2最高工作温度:85 °C
最低工作温度:-55 °C封装形状:DISK PACKAGE
封装形式:Radial额定功率耗散 (P):0.2 W
电阻器类型:VARISTOR子类别:Non-linear Resistors
表面贴装:NO技术:METAL OXIDE FILM
端子位置:RADIAL端子形状:WIRE
Base Number Matches:1

V240ZA05 数据手册

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Varistor Products  
Low to Medum Voltage, Radial Lead  
Pb  
RoHS  
ZA Varistor Series  
100  
90  
80  
70  
60  
50  
40  
30  
20  
Power Dissipation Ratings  
Should transients occur in rapid succession, the average power dissipation  
required is simply 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. Furthermore, the operating values need to be derated  
at high temperatures as shown in Figure 1. Because varistors can only  
dissipate a relatively small amount of average power they are, therefore,  
not suitable for repetitive applications that involve substantial amounts of  
average power dissipation.  
2
10  
0
-55 50  
60  
70  
80  
90 100 110 120 130 140 150  
o
AMBIENT TEMPERATURE ( C)  
FIGURE 1. CURRENT, ENERGY AND POWER DERATING  
CURVE  
100  
90  
O
= Virtual Origin of Wave  
1
T = Time From 10% to 90% of Peak  
T
T
= Virtual Front time = 1.25 • t  
= Virtual Time to Half Value (Impulse Duration)  
1
2
50  
Example: For an 8/20µs Current Waveform:  
8µs = T = Virtual Front Time  
1
20µs = T = Virtual Time to Half Value  
2
10  
O
T
TIME  
1
T
1
T
2
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM  
Transient V-I Characteristics Curves  
2000  
1000  
500  
600  
500  
400  
MAX CLAMPINGVOLTAGE  
MAX CLAMPING VOLTAGE  
MODEL SIZE 5mm  
MODEL SIZE 5mm  
V330ZA05(P)  
V270ZA05(P)  
V240ZA05(P)  
V220ZA05(P)  
V205ZA05(P)  
V180ZA05(P)  
V150ZA05(P)  
V120ZA05(P)  
RATING  
82 TO 330V  
RATING  
8 TO 68V  
N(DC)  
N(DC)  
o
o
o
o
300  
T
= -55 C TO 85 C  
T
= -55 C TO 85 C  
A
A
200  
100  
90  
80  
70  
60  
V68ZA05(P)  
V56ZA05(P)  
V47ZA05(P)  
50 V39ZA05(P)  
V33ZA05(P)  
40  
V27ZA05(P)  
V22ZA05(P)  
30  
200  
100  
V18ZA05(P)  
V12ZA05(P)  
V8ZA05(P)  
20  
10  
0.0001  
0.001  
0.01  
0.1  
1
10  
100  
1000  
-3  
-2  
10  
-1  
0
1
2
3
10  
10  
10  
10  
10  
10  
PEAK AMPERES (A)  
PEAK AMPERES (A)  
FIGURE 3. CLAMPINGVOLTAGE FOR V8ZA05(P) - V68ZA05(P)  
FIGURE 4. CLAMPINGVOLTAGE FOR V82ZA05(P) - V33ZA05(P)  
71  
www. lit t elf us e. c om  

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