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參數(shù)資料
| 型號： | P2702AC |
| 英文描述： | SIDAC|160V V(BO) MAX|800MA I(S)|TO-220VAR |
| 中文描述： | SIDAC的| 160V五（公報）最大| 800mA的我（縣）|對220VAR |
| 文件頁數(shù)： | 125/161頁 |
| 文件大?。?/td> | 986K |
| 代理商： | P2702AC |
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SIDACtor
Data Book
Over-Voltage Protection Comparison
Teccor Electronics
(972) 580-7777
5 - 9
T
Applications
Although MOV
’
s are restricted from being used in many telecom applications (other
than disposable equipment), they are useful in AC applications where a clamping
device is required and tight voltage tolerances are not.
TVS Diodes
Overview
TVS diodes are clamping voltage suppressors that are constructed with back-to-back
PN junctions. During conduction, TVS diodes create a low impedance path by varying
their resistance as voltage is applied across their terminals. Once the voltage is
removed, the diode will turn off and return to its high off-state impedance.
Advantages
Because TVS diodes are solid state devices, they do not fatigue nor do their electrical
parameters change as long as they are operated within their specified limits. TVS
diodes effectively clamp fast rising transients and are well suited for low voltage
applications that do not require large amounts of energy to be shunted.
Restrictions
Because TVS diodes are clamping devices, they have two inherent weaknesses. The
first is that TVS diodes are both voltage and current limited, so careful consideration
should be given to using these in applications that require large amounts of energy to
be shunted. The second is that as the amount of current flowing through the device
increases, so does its maximum clamping voltage.
Applications
Due to their low power ratings, TVS diodes are not used as primary interface
protectors across Tip and Ring; they are used as secondary protectors that are
embedded within a circuit.
SIDACtors
Overview
A SIDACtor is a PNPN device that can be thought of as a TVS diode with a gate. Upon
exceeding its peak off-state voltage (V
DRM
), a SIDACtor will clamp a transient voltage
to within the devices switching voltage (V
S
) rating. Then, once the current flowing
through the SIDACtor exceeds its switching current, the device will crowbar and
simulate a short circuit condition. Once the current flowing through the SIDACtor is
less than the devices holding current (I
H
), the SIDACtor will reset and return to its high
off-state impedance.
Advantages
Advantages of the SIDACtor include its fast response time (Figure 5-3), stable
electrical characteristics, long term reliability, and low capacitance. Also, because the
SIDACtor is a crowbar device, it can not be damaged by voltage and it has extremely
high surge current ratings.
Restrictions
Because the SIDACtor is a crowbar device, it can not be used directly across the AC
line; it must be placed behind a load. Failing to do so will result in exceeding the
SIDACtors surge current rating which may cause the device to enter a permanent
short circuit condition.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P2702ACL | 功能描述:硅對稱二端開關(guān)元件 120/240V 500A TO220A SIDACtor SYM 2Chp RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復(fù)通態(tài)電流: 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:25 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）: 保持電流（Ih 最大值）:50 mA 開啟狀態(tài)電壓:5 V 關(guān)閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-214AA |
| P2702ACLRP | 功能描述:硅對稱二端開關(guān)元件 500A 120/240V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復(fù)通態(tài)電流: 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:25 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）: 保持電流（Ih 最大值）:50 mA 開啟狀態(tài)電壓:5 V 關(guān)閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-214AA |
| P2702ACLXX | 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:The SIDACtor? Primary Protection Series Modified TO-220 are thyristor devices |
| P2702ACMC | 功能描述:硅對稱二端開關(guān)元件 500A 120/240V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復(fù)通態(tài)電流: 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:25 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）: 保持電流（Ih 最大值）:50 mA 開啟狀態(tài)電壓:5 V 關(guān)閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-214AA |
| P2702ACMCL | 功能描述:硅對稱二端開關(guān)元件 500A 120/240V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復(fù)通態(tài)電流: 額定重復(fù)關(guān)閉狀態(tài)電壓 VDRM:25 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）: 保持電流（Ih 最大值）:50 mA 開啟狀態(tài)電壓:5 V 關(guān)閉狀態(tài)電容 CO:120 pF 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-214AA |
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