參數(shù)資料
型號: P1402ABRP
英文描述: SIDAC|77V V(BO) MAX|800MA I(S)|TO-220VAR
中文描述: SIDAC的| 77V V(下公報)最大| 800mA的我(縣)|對220VAR
文件頁數(shù): 71/161頁
文件大小: 986K
代理商: P1402ABRP
SIDACtor
Data Book
Triac Protection
Teccor Electronics
(972) 580-7777
3 - 31
R
Thyristors
Damage can occur to a thyristor if the thyristor
s repetitive peak off-state voltage is
exceeded. A thyristor
s repetitive peak off-state voltage may be exceeded due to dirty
AC power mains, inductive spikes, motor latch up, etc.
Thyristor Reference Circuit
Figures 3-33 & 3-34 show two different methods of protecting a triac. In Figure 3-33, a
SIDACtor is connected from MT2 to the gate of the triac. When the voltage applied to
the triac exceeds the SIDACtor
s V
DRM
, the SIDACtor turns on, producing a gate
current which turns the triac on.
The circuit in Figure 3-34 places a SIDACtor across MT2 and MT1 of the triac. In this
instance the SIDACtor protects the triac by turning on and shunting the transient
before it exceeds the V
DRM
rating of the triac.
Regardless of the method chosen, when using a SIDACtor to protect a thyristor, the
following design considerations must be followed:
Figure 3-33 TRIAC Protection
Figure 3-34 TRIAC Protection
V
DRM
of the SIDACtor < V
DRM
of Triac
SIDACtor V
DRM
> 120% V
PK(power supply)
SIDACtor must be placed behind the load
MT2
Triac
To
Gating
Circuitry
Hot
Neutral
MT1
SIDACtor
Load
MT2
Triac
To
Gating
Circuitry
Hot
Neutral
MT1
SIDACtor
Load
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P1402AC MCL 功能描述:硅對稱二端開關(guān)元件 Modified TO-220 Two-Chip MicroCapacitance (MC) SIDACtor Device RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復通態(tài)電流: 額定重復關(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 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AA
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P1402ACLRP 功能描述:硅對稱二端開關(guān)元件 500A 58/116V RoHS:否 制造商:Bourns 轉(zhuǎn)折電流 VBO:40 V 最大轉(zhuǎn)折電流 IBO:800 mA 不重復通態(tài)電流: 額定重復關(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 安裝風格:SMD/SMT 封裝 / 箱體:DO-214AA
P1402ACLXX 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:The SIDACtor? Series Modified TO-220 are designed to protect baseband