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V12RA8X2749

更新时间： 2024-02-04 15:30:52
品牌 Logo 应用领域
力特 - LITTELFUSE 电阻器
页数 文件大小 规格书
8页 1003K
描述
Varistor, 8V, 0.6J, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT

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V12RA8X2749 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：RADIAL LEADEDReach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8533.40.40.00
风险等级：5.04电路直流最大电压：8 V
电路RMS最大电压：6 V最大能量吸收容量：0.6 J
JESD-609代码：e3安装特点：THROUGH HOLE MOUNT
端子数量：2最高工作温度：125 °C
最低工作温度：-55 °C封装高度：8.85 mm
封装长度：11.45 mm封装形式：Radial
封装宽度：5.2 mm包装方法：BULK
电阻器类型：VARISTOR表面贴装：NO
技术：METAL OXIDE FILM端子面层：Tin (Sn)
端子位置：RADIAL端子形状：WIRE
Base Number Matches：1

V12RA8X2749 数据手册

 浏览型号V12RA8X2749的Datasheet PDF文件第1页浏览型号V12RA8X2749的Datasheet PDF文件第2页浏览型号V12RA8X2749的Datasheet PDF文件第4页浏览型号V12RA8X2749的Datasheet PDF文件第5页浏览型号V12RA8X2749的Datasheet PDF文件第6页浏览型号V12RA8X2749的Datasheet PDF文件第7页 
Varistor Products  
Low Profile / Application Specific Varistors > RA Series  
RA Series Ratings & Specifications  
Maximum Rating (125°C)  
Specifications (25°C)  
Max Clamping  
Continuous  
Transient  
Varistor Voltage at 1mA  
Typical  
Peak  
Volt VC  
Brand  
(mm)  
Part  
Number  
Energy  
(10/1000µs)  
DCTest Current  
Capacitance  
VRMS  
VDC  
Current  
(8/20µs)  
(8/20µs)  
VM(AC)  
(V)  
VM(DC)  
(V)  
WTM  
(J)  
ITM  
Min  
(V)  
VN(DC)  
(V)  
Max  
(V)  
VC  
Ip  
f = 1MHz  
(pF)  
(A)  
(V)  
(A)  
† RA22 Series  
18  
100.0  
24  
V24RA22  
24R22  
36R22  
14  
23  
2000  
2000  
19.2  
32  
26  
40  
43  
63  
20  
20  
18000  
12000  
(Note 3)  
(Note 2)  
(Note 4)  
160.0  
(Note 2)  
36  
(Note 4)  
V36RA22  
31  
† V200RA22  
† V240RA22  
† V270RA22  
† V390RA22  
† V430RA22  
200R22  
240R22  
270R22  
390R22  
430R22  
130  
150  
175  
250  
275  
175  
200  
225  
330  
369  
70.0  
80.0  
90.0  
130.0  
140.0  
6500  
6500  
6500  
6500  
6500  
184  
212  
247  
354  
389  
200  
240  
270  
390  
430  
228  
268  
303  
429  
473  
340  
395  
455  
650  
710  
100  
100  
100  
100  
100  
1900  
1600  
1400  
1000  
900  
1. Average power dissipation of transients not to exceed 0.25W for RA8 Series, 0.60W for RA16 Series, or 1.0W for RA22 Series.  
2. Energy ratings for impulse duration of 30ms minimum to one half of peak current value.  
3. Also rated to withstand 24V for 5 minutes.  
NOTES:  
4. 10mA DCTest Current.  
†
Under UL File No. E320116 as a recognized component. CSA approved File No. LR91788.  
Power Dissipation Ratings  
Peak Pulse CurrentTestWaveform  
100  
90  
100  
90  
80  
70  
60  
50  
40  
50  
10  
30  
20  
10  
0
O
T
TIME  
1
-55 50  
60  
70  
80  
90 100 110 120 130 140 150  
o
T
1
AMBIENTTEMPERATURE ( C)  
Figure 1  
T
2
Figure 2  
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 above. 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 aver-  
age power dissipation.  
01 = Virtual Origin of Wave  
T =Time from 10% to 90% of Peak  
T1 = RiseTime = 1.25 xT  
T2 = DecayTime  
Example - For an 8/20 µs Current Waveform:  
8µs =T1 = RiseTime  
20µs =T2 = DecayTime  
© 2013 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: December 26, 2013  
RAVaristor Series  
Please refer to www.littelfuse.com/series/ra.html for current information.  
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