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CR1800SC

更新时间： 2024-11-14 22:37:15
品牌 Logo 应用领域
力特 - LITTELFUSE 光电二极管
页数 文件大小 规格书
3页 100K
描述
The CR range of protectors are based on the proven technology of the T10 thyristor product

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中文翻译

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CR1800SC 技术参数

生命周期：Transferred零件包装代码：DO-214AA
包装说明：SMALL OUTLINE, R-PDSO-C2针数：2
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8541.30.00.80风险等级：5.48
最大转折电压：220 V配置：SINGLE
最大断态直流电压：160 VJEDEC-95代码：DO-214AA
JESD-30 代码：R-PDSO-C2通态非重复峰值电流：60 A
元件数量：1端子数量：2
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
表面贴装：YES端子形式：C BEND
端子位置：DUAL触发设备类型：SILICON SURGE PROTECTOR

CR1800SC 数据手册

 浏览型号CR1800SC的Datasheet PDF文件第2页浏览型号CR1800SC的Datasheet PDF文件第3页 
CRxxxx series  
devices is dissipated power (V x I).  
Description  
The CR range of protectors are based on the proven  
technology of the T10 thyristor product. Designed for  
transient voltage protection of telecommunications  
equipment, it provides higher power handling than a  
conventional avalanche diode (TVS) and when compared to  
a GDT offers lower voltage clamping levels and infinite surge  
life.  
Packaged in a transfer molded DO-214AA surface mount  
outline designed for high speed pick & place machines used  
in today’s surface mount assembly lines.  
Resetting of the device to the non conducting state is  
controlled by the current flowing through the device. When  
the current falls below a certain value, known as the Holding  
Current (Ih), the device resets automatically.  
As with the avalanche T.V.S. device, if the CRXXXX is  
subjected to a surge current which is beyond its maximum  
rating, then the device will fail in short circuit mode, this  
ensures that the equipment is ultimately protected.  
Selecting A CRXXXX  
Electrical Charecteristics  
1. When selecting a CRXXXX device, it is important that the  
Vrm of the device is equal to or greater than the operating  
voltage of the system.  
2. The minimum Holding Current (Ih) must be greater than  
the current the system is capable of delivering otherwise the  
device will remain conducting following a transient condition.  
The electrical characteristics of a CRXXXX device is similar  
to that of a self gated Triac, but the CR is a two terminal  
device with no gate. The gate function is achieved by an  
internal current controlled mechanism.  
Like the T.T.S. diodes, the CRXXXX has a standoff voltage  
(Vrm) which should be equal to or greater than the operating  
voltage of the system to be protected. At this voltage (Vrm)  
the current consumption of the CRXXXX is negligible and will  
not effect the protected system.  
IT  
When a transient occurs, the voltage across the CRXXXX  
will increase until the breakdown voltage (Vbr) is reached. At  
this point the device will operate in a similar way to a T.V.S.  
device and is in an avalanche mode.  
IH  
VT  
IBO  
IRM  
VBR  
The voltage of the transient will now be limited and will only  
increase by a few volts as the device diverts more current.  
As this transient current rises, a level of current through the  
device is reached (Ibo) which causes the device to switch to  
a fully conductive state such that the voltage across the  
device is now only a few volts (Vt). The voltage at which the  
device switches from the avalanche mode to the fully  
conductive state (Vt) is known as the Breakover Voltage  
(Vbo). When the device is in the Vt state, high currents can  
be deverted without damage to the CRXXXX due to the low  
voltage across the device, since the limiting factor in such  
VRM  
VBO  
MIN  
V-I Graph  
Illustrating Symbols  
and Terms for  
the CR Surge  
Protection Device.  
The CRXXXX Range Can Be Used to Protect Against Surges As Defined In The Following International Standards.  
SA  
SB  
SC  
FCC Rules Part 68/D  
Bellcore Specification  
Metallic  
Longitudinal  
10/560µs  
10/160µs  
50A  
100A  
100A  
150A  
100A  
200A  
TR-NWT-001089  
10/1000µs  
2/10µs  
100v/µs  
37A  
-
1KV  
75A  
-
1KV  
100A  
500A  
1KV  
ITU K-17 (Formerly CCITT)  
VDE 0433  
Voltage Wave Form  
Current Wave Form  
100/700µs  
5/310µs  
-
-
1.5KV  
38A  
1.5KV  
38A  
Voltage Wave Form  
Current Wave Form  
10/700µs  
5/310µs  
-
-
2KV  
50A  
4.0KV  
100A  
C-NET 131-24  
Voltage Wave From  
Current Wave Form  
0.5/700µs  
0.8/310µs  
1.0KV  
25A  
1.0KV  
25A  
4.0KV  
100A  
IEC 1000-4-5  
(Discharge through 2Ω impendance) I  
Voltage Wave Form  
8/20µs  
1-2/50µs  
-
-
100A  
300V  
250A  
500V  
ITU K-20  
(Formerly CCITT)  
Voltage Wave Form  
Current Wave Form  
10/700µs  
5/310µs  
1000V  
25A  
10000V  
25A  
4000V  
100A  
www. lit t elf us e. c om  
52  
123

中文翻译

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