參數(shù)資料
型號: P0640ECRP2
英文描述: 20LD 20MHZ 1K EPRM/128 EEPROM, -40C to +85C, 20-SSOP 208mil, T/R
中文描述: SIDAC的| 77V V(下公報)最大| 800mA的我(縣)|對92VAR
文件頁數(shù): 71/161頁
文件大小: 986K
代理商: P0640ECRP2
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
相關(guān)PDF資料
PDF描述
P0640SARP SIDAC|77V V(BO) MAX|800MA I(S)|DO-214AA
P0640SBRP SIDAC|77V V(BO) MAX|800MA I(S)|DO-214AA
P0720EBRP2 MCU CMOS 20LD 2K EPRM/128 EEPROM, -40C to +85C, 20-SSOP 208mil, TUBE
P0720EC SIDAC|88V V(BO) MAX|800MA I(S)|TO-92VAR
P0720ECRP1 MCU CMOS 28LD 2K 20MHZ
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P0640Q12BLRP 功能描述:硅對稱二端開關(guān)元件 58V 100A QFN 3X3 2L SIDACtor Bi 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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